U Uchupi, E., and Emery, K.O. 1968. Structure of continental margin off Gulf Coast of United States. AAPGB, v. 52, p. 1162–1193. Udintsev, G.B., and Dmitriev, L.V. 1970. Ultrabasic rocks. In Maxwell, A.E., ed., The Sea, vol. 4, part 1. Wiley-Interscience, New York, p. 521–573. Uebel, P.-J. 1977. Internal structure of pegmatites, its origin and nomenclature. Neues Jarb. Miner. Abh., v. 131, p. 83–113. Uehara, S. 1998. TEM and XRD study of antigorite superstructures. The Canadian Mineralogist, v. 36, p. 1595-1605. Ulmer, P., and Trommsdorff, V. 1995. Serpentine stability to mantle depths and subductionrelated magmatism. Science, v. 268, p. 858-861. Umino, S. 1986. Magma mixing in boninite sequence of Chichijima, Bonin Islands. JVGR, v. 29, p. 125–157. Umino, S. and Horio, A. 1998. Multistage magma mixing revealed in phenocryst zoning of the Yunokuchi pumice, Akagi Volcano, Japan. JP, v. 39, p. 101-124. Umino, S. and Kushiro, I. 1989. Experimental studies on boninite petrogenesis. In Crawford, A.J., ed., Boninites. Unwin Hyman, London, p. 89–111. Umino, S.; Lipman, P.W.; and Obata, S. 2000. Subaqueous lava flow lobes, observed on ROV KAIKO dives off Hawaii. Geology, v. 28, p. 503-506. Underwood, M.B. 1977. The Pfeiffer Beach Slab deposits, Monterey County, California: Possible trench slope basin. In Howell, D.G.; Vedder, J.G.; and McDougall, K., eds., Cretaceous Geology of the California Coast Ranges, West of the San Andreas Fault. Pacific Sec. SEPM, Los Angeles, p. 57–69. _____. 1983. Depositional setting of the Paleogene Yager formation, northern Coast Ranges of California. In Larue, D.K., and Steele, R.J., eds., Cenozoic Marine Sedimentation, Pacific Margin, USA. SEPM Pacific Sec. Symposium, p. 81–101. _____. 1984. A sedimentologic perspective on stratal disruption within sandstone-rich melange terranes. JG, v. 92, p. 369–385. _____. 1985. Sedimentology and hydrocarbon potential of Yager structural complex: Possible Paleogene source rocks in Eel River Basin, northern California. AAPGB, v. 69, p. 1088– 1100. _____. 1989. Temporal changes in geothermal gradient, Franciscan Subduction Complex, northern California. JGR, v. 94, p. 3111–3125. Underwood, M.B., and Bachman, S.B. 1982. Sedimentary facies associations within subduction complexes. In Leggett, J. K., ed., Trench-Forearc Geology: Sedimentation and Tectonics on Modern and Ancient Active Plate Margins. Geol. Soc. (London) Spec. Pub. no. 10. Blackwell Sci. Pubs., Oxford, p. 537–550. _____. 1986. Sandstone petrofacies of the Yager complex and the Franciscan coastal belt, Paleogene of northern California. GSAB, v. 97, p. 809–817. Underwood, M.B.; Bachman, S.B.; and Schweller, W.L. 1980. Sedimentary processes and facies associations within trench and trench-slope settings. In Field, M.E., et al., eds., Quaternary Depositional Environments of the Pacific Coast. Pacific Sec. SEPM, p. 211– 229. Underwood, M.B.; Blake, M.C., Jr.; and Howell, D.G. 1987. Thermal maturity of tectonostratigraphic terranes within the Franciscan Complex, California. In Leitch, E.C., and Scheibner, E., eds., Terrane Accretion and Orogenic Belts. AGU Geodynamic Series, v. 19, p. 307–321. Underwood, M.B., and Howell, D.G. 1987. Thermal maturity of the Cambria slab, an inferred trench-slope basin in central California. Geology, v. 15, p. 216–219. Underwood, M.B.; O'Leary, J.D.; and Strong, R.H. 1988. Contrasts in thermal maturity within terranes and across terrane boundaries of the Franciscan Complex, northern California. JG, v. 96, p. 399–415. UNESCO. 1981. An International Symposium on Metallogeny of Mafic and Ultramafic Complexes: The Eastern Mediterranean–Western Asia Area, and Its Comparison with Similar Metallogenic Environments in the World. 3 vols. IUGS/IGCP Project 169. Athens. Unruh, J.R.; Loewen, B.A.; and Moores, E.M. 1995. Progressive arcward contraction of a Mesozoic-Tertiary fore-arc basin, southwestern Sacramento Valley, California. GSAB, v. 107, p. 38-53. Unruh, J.R. and Moores, E.M. 1992. Quaternary blind thrusting in the southwestern Sacramento Valley, California. Tectonics, v. 11, p. 192-203. Unruh, J.R.; Ramirez, V.R; Phipps, S.P.; and Moores, E. 1991. Tectonic wedging beneath forearc basins: Ancient and Modern examples from California and the Lesser Antilles. GSA Today, v. 1, p. 185, 188–190. Upadhyay, H.D. 1982. Ordovician komatiites and associated boninite-type magnesian lavas from Betts Core, Newfoundland. In Arndf, N.T., and Nisbet, E.G., eds., Komatiites. George Allen and Unwin, London, p. 187–198. Upadhyay, H.D., and Neale, E.R.W. 1979. On the tectonic regimes of ophiolite genesis. EPSL, v. 43, p. 93–102. USGS. 1972. Geologic Map of Yellowstone National Park. USGS Map I-711. Ussler, W., III, and Glazner, A.F. 1989. Phase equilibria along a basalt-rhyolite mixing line: Implications for the origin of calc-alkaline intermediate magmas. CMP, v. 101, p. 232– 244. Uto, K. 1986. Variation of Al2O3 content in late Cenozoic Japanese basalts: A re-examination of Kuno's high-alumina basalt. JVGR, v. 29, p. 397–411. V Vahrenkamp, V.C., and Swart, P.K. 1990. New distribution coefficient for the incorporation of strontium into dolomite and its implications for the formation of ancient dolomites. Geology, v. 18, p. 387–391. Valentine, P.C.; Cooper, R.A.; and Usmann, J.R. 1984. Submarine sand dunes and sedimentary environments in Oceanographer Canyon. JSP, v. 54, no. 3, p. 704–715. Vallance, J.W. 2000. Lahars. In H. Sigurdsson, ed. Encyclopedia of Volcanoes. Academic Press. p.601-616. Vallance, T.G. 1974. Spilitic degradation of a tholeiitic basalt. JP, v. 15, p. 79–96. Vallier, T.L.; Harold, P.J.; and Girdley, W.A. 1973. Provenances and dispersal patterns of turbidite sand in Escanaba Trough, northeastern Pacific Ocean. Marine Geol., v. 15, p. 67–87. Valloni, R., and Maynard, J.B. 1981. Detrital modes of recent deep-sea sands and their relation to tectonic setting: A first approximation. Sedimentology, v. 28, p. 75–83. Valloni, R., and Mezzadri, G. 1984. Compositional suites of terrigenous deep-sea sands of the present continental margins. Sedimentology, v. 31, p. 353–364. Van Andel, T.H., and Poole, D.M. 1960. Sources of recent sediments in the northern Gulf of Mexico. JSP, v. 30, p. 91–122. Van Andel, T.H.; Thiede, J.; Sclater, J.G.; and Hay, W.W. 1977. Depositional history of the South Atlantic Ocean during the last 125 million years. JG, v. 85, p. 651–698. van Bemmelen, R.W. 1970. The Geology of Indonesia, vol. 1A. 2nd ed. Martinus Nijhoff, The Hague. 732 p. _____. 1974. Driving forces of orogeny, with emphasis on blue-schist facies of metamorphism: Test-Case III—The Japan Arc. Tectonophysics, v. 22, p. 83–125. _____. 1976. Plate tectonics and the undation model: A comparison. Tectonophysics, v. 32, p. 145–182. Vance, J.A. 1961. Zoned granitic intrusions: An alternative hypothesis of origin. GSAB, v. 72, p. 1723–1728. _____. 1962. Zoning in igneous plagioclase: Normal and oscillatory zoning. AJS, v. 260, p. 746– 760. Vance, J.A., and Dungan, M.A. 1977. Formation of peridotites by deserpentinization in the Darrington and Sultan areas, Cascade Mountain, Washington. GSAB, v. 88, p. 1497– 1508. Vance, J.A.; Dungan, M.A.; Blanchard, D.P.; and Rhodes, J.M. 1980. Tectonic setting and trace element geochemistry of Mesozoic ophiolitic rocks in western Washington. AJS, v. 280A, p. 359–388. Van de Kamp, P.C. 1976. Inorganic and organic metamorphism in siliciclastic rocks. AAPGB, v. 60, p. 729. Van de Kamp, P.C., and Leake, B.E. 1995. Petrology and geochemistry of siliciclastic rocks of mixed feldspathic and ophiolitic provenance in the northern Apennines, Italy. Chemical Geology v. 122, p. 1-20. _____. 1996. Petrology, geochemistry, and Na metasomatism of Triassic-Jurassic non-marine clastic sediments in the Newark, Hartford, and Deerfield rift basins, northeastern USA. Chemical Geology, v. 133, p. 89-124. van den Beukel, J., and Wortel, R. 1987. Temperatures and shear stresses in the upper part of a subduction zone. Geophys. Res. Letters, v. 14, p. 1057–1060. Van Den Eeckhout, B.; Grocott, J., and Vissers, R. 1986. On the role of diapirism in the segregation, ascent and final emplacement of granitoid magmas: Discussion. Tectonophysics, v. 127, p. 161–169. Van Den Eeckhout, B., and Konert, G. 1983. Plagioclase porphyroblast growth and its relation to deformation in the Alhamilla unit (Sierra Alhamilla, Betic Cordilleras, SE Spain). JMG, v. 1, p. 227–249. van der Kaaden, G. 1969. Zur entstehung der glaukophan-lawsonit-und glaukophanitischen grunschiefer-fazies, gelandebeobachtungen und mineralsynthesen. Fortschr. Miner., v. 46, p. 87–136. van der Klauw, S.N.G.C.; Reinecke, T.; and Stockhert, B. 1997. Exhumation of ultrahighpressure metamorphic oceanic crust from Lago di Cignana, Piemontese zone, western Alps: The structural record in metabasites. Lithos, v. 41, p. 79-102. Van der Laan, S.R.; Flower, M.F.J.; and Koster van Groos, A.F. 1989. Experimental evidence for the origin of boninites: Near-liquidus phase relations to 7.5 kbar. In Crawford, A.J., ed., Boninites. Unwin Hyman, London, p. 112–147. van der Meer, R. 1996. Grading in mud volcanic breccia from the Mediterranean Ridge. Marine Geology, v. 132, p. 165-173. van der Pluijm, B.A. 1991. Marble mylonites in the Bancroft shear zone, Ontario, Canada: Microstructures and deformation mechanisms. Jour. Structural Geol., v. 13, p. 1125– 1135. Vandervoort, D.S. 1997. Stratigraphic response to saline lake-level fluctuations and the origin of cyclic nonmarine evaporite deposits: The Pleistocene Blanca Lila Formation, Northwest Argentina. GSAB, v. 109, p. 210-224. Van der Wal, D. and Vissers, R.L.M. 1993. Uplift and emplacement of upper mantle rocks in the western Mediterranean. Geology, v. 21, p. 1119-1122. Van der Wal, D., and Vissers, R.L.M. 1996. Structural petrology of the Ronda peridotite, SW Spain: Deformation history. JP, v. 37, p. 23-43. van Gaans, P.F.M.; Schreurs, J.M.C.M.; Vriend, S.P.; and Maijer, C. 1987. The petrogenesis of charnockitic and granitic migmatites of the high-grade metamorphic Precambrian of Rogaland/Vest-Agder, S.W. Norway: A statistical interpretation of major element rock chemistry. Geol. Mijnb., v. 66, p. 177–190. Van Hise, C.R., and Leith, C.K. 1909. Pre-Cambrian Geology of North America. USGSB no. 360. 939 p. Van Hook, A. 1961. Crystallization Theory and Practice. Reinhold, New York. 325 p. Van Houten, F.B. 1990. Palaeozoic oolitic ironstones on the North American craton. Paleogeog., Paleoclim., Paleoecol., v. 80, p. 245–254. Van Houtte, P., and Wagner, F. 1985. Development of textures by slip and twinning. In Wenk, H.-R., ed., Preferred Orientation in Deformed Metals and Rocks: An Introduction to Modern Texture Analysis. Academic Press, Orlando, Fla., p. 233–258. Vaniman, D.T.; Papike, J.J.; and Labotka, T. 1980. Contact-metamorphic effects of the Stillwater Complex, Montana: The concordant iron formation. AM, v. 65, p. 1087–1102. Van Moort, J.C. 1972. The K2O, CaO, MgO, and CO2 contents of shales and related rocks and their implications for sedimentary evolution since the Proterozoic. International Geol. Congress, Proc., v. 24, p. 427–439. van Platen, H. 1965. Kristallisation granitischer schmelzen. Beitrage Mineral. Petrog., v. 11, p. 334–381. Van Roermund, H.L.M.; Drury, M.R.; Barnhoorn, A.; and De Ronde, A.A. 2000. Super-silicic garnet microstructures from an orogenic garnet peridotite, evidence for an ultra-deep (> 6 GPa) origin. JMG, v. 18, p. 135-147. Van Rose, S., and Mercer, I. 1977. Volcanoes. Her Majesty's Stationery Office. 36 p. van Straaten, L.M.J.V., ed. 1964. Deltaic and Shallow Marine Deposits. Proc. 6th Int'l Sedimentological Congress, The Netherlands and Belgium, 1963. Developments in Sedimentology, v. 1. Elsevier, Amsterdam. 464 p. _____. 1964. Turbidite sediments in the southwestern Adriatic Sea. In Bouma, A., and Bronwer, A.H., eds., Turbidites. Elsevier, Amsterdam, p. 142–147. van Weering, T.C.E., and Klaver, G.T. 1985. Trace element fractionation and distribution in turbidites, homogeneous and pelagic deposits: The Zaire Fan, southeast Atlantic Ocean. Geo-Marine Letters, v. 5, p. 165–170. van Weering, T.C.E., van Iperen, J. 1984. Fine-grained sediments of the Zaire deep-sea fan, southern Atlantic Ocean. In Stow, D.A.V., and Piper, D.J.W., eds., Fine-Grained Sediments: Deep Water Processes and Facies. Blackwell Sci. Pubs., Oxford, p. 95–113. Varga, R.J. 1982. Implications of Paleozoic phosphorites in the northern Sierra Nevada range. Nature, v. 297, p. 217–220. Varga, R.J., and Moores, E.M. 1981. Age, origin, and significance of an unconformity that predates island-arc volcanism in the northern Sierra Nevada. Geology, v. 9, p. 512–518. Varne, R. 1985. Ancient subcontinental mantle: A source for K-rich orogenic volcanics. Geology, v. 13, p. 405–408. Varne, R., and Brown, A.V. 1978. The geology and petrology of the Adamsfield ultramafic complex, Tasmania. CMP, v. 67, p. 195–207. Vaselli, O., Downes, H., Thirlwall, M., Dobosi, G., Coradossi N., Seghedi, I., Szakacs, A., and Vannucci, R. 1995. Ultramafic xenoliths in Plio-Pleistocene alkali basalts from the eastern Transylvanian basin: Depleted mantle enriched by vein metasomatism. JP, v. 36, p . 23-53. Vauchez, A. 1987. Brevard fault zone, southern Appalachians: A medium-angle, dextral, Alleghanian shear zone. Geology, v. 15, p. 669–672. _____. 1987b. The development of discrete shear-zones in a granite: Stress, strain and changes in deformation mechanisms. Tectonophysics, v. 133, p. 137–156. Vauchez, A.; Maillet, D.; and Songy, J. 1987. Strain and deformation mechanisms in the Variscan nappes of Vendee, South Brittany, France. Jour. Structural Geol., v. 9, p. 31– 40. Vaugnat, M. 1963. Remarques sur la trilogie serpentinite-gabbro-diabases dans le bassin de la Mediterranie occidentale. Geol. Rundschau, v. 53, p. 336–358. Vavra, C.L. 1989. Mineral reactions and controls on zeolite-facies alteration in sandstone of the central Transantarctic Mountains, Antarctica. JSP, v. 59, p. 688–703. Vejmelek, L. and Smithson, S.B. 1995. Seismic profiling in the Boulder batholith, Montana. Geology, v. 23, p. 811-814. Veksler, H.V. and Keppler, H. 2000. Partitioning of Mg, Ca, and Na between carbonatite melt and hydrous fluid at 0.1-0.2 GPa. CMP, v. 138, p. 27-34. Velbel, M.A. 1985. Mineralogically mature sandstones in accretionary prisms. JSP, v. 55, p. 685–690. _____. 1987. Alluvial fan origin for terrace deposits of the southeast Prentiss Quadrangle, near Otto, North Carolina. Southeastern Geol., v. 28, p. 87–103. _____. 1988. Weathering and soil-forming processes. In Swank, W.T., and Crossley, D.A., Jr., eds., Ecological Studies. vol. 66, Forest Hydrology and Ecology at Coweeta. SpringerVerlag, New York, p. 93–102. _____. 1989a. Effect of chemical affinity on feldspar hydrolysis rates in two natural weathering systems. Chemical Geol., v. 78, p. 245–253. _____. 1989b. Weathering of hornblende to ferruginous products by a dissolution-reprecipitation mechanism: Petrography and stoichiometry. Clays and Clay Minerals, v. 37, p. 515–524. _____. 1992. Geochemical mass balances and weathering rates in forested watersheds of the southern Blue Ridge. III. Cation budgets and the weathering rate of amphibole. AJS, v. 292, p. 58-78. _____. 1993a. Constancy of silicate-mineral weathering-rate ratios between natural and experimental weathering: Implications for hydrologic control of differences in absolute rates. Chemical Geology, v. 105, p. 89-99. _____. 1993b. Formation of protective surface layers during silicate-mineral weathering under well-leached, oxidizing conditions. AM, v. 78, p. 405-414. _____. 1999. Bond strength and the relative weathering rates of simple orthosilicates. AJS, v. 299, p. 679-696. Velbel, M.A.; Basso, C.L., Jr.; and Zieg, M.J. 1996. The natural weathering of staurolite: Crystal-surface textures, relative stability, and the rate-determining step. AJS, v. 296, p. 453-472. Velde, B. 1969. The compositional join muscovite-pyrophyllite at moderate pressures and temperatures. Soc. Fr. Mineral. Cristallog. Bull., v. 92, p. 360–368. _____. 1973. Phase equilibria in the system MgO-Al2O3-SiO2-H2O: Chlorites and associated minerals. Min. Mag., v. 39, p. 297–312. Velde, B., and Meunier, A. 1987. Petrologic phase equilibria in natural clay systems. In Newman, A.C.D., ed., Chemistry of Clays and Clay Minerals. John Wiley and Sons, New York, p. 423–458. Venezky, D.Y., and Rutherford, M.J. 1997. Preeruption conditions and timing of daciteandesite magma mxing in the 2.2 ka eruption at Mount Rainier. Journal of Geophysical Research, v. 102, p. 20,069-20,086. Vergniolle, S. 1996. Bubble size distribution in magma chambers and dynamics of basaltic eruptions. Earth and Planetary Science Letters, v. 140, p. 269-279. Verhoogen, J.; Turner, F.J.; Weiss, L.E.; Wahrhaftig, C.; and Fyfe, W.S. 1970. The Earth. Holt, Rinehart and Winston, New York. 748 p. Verma, S.P., and Nelson, S.A. 1989. Isotopic and trace element constraints on the origin and evolution of alkaline and calc-alkaline magmas in the northwestern Mexican volcanic belt. JGR, v. 94, p. 4531–4544. Vernon, R.H. 1976. Metamorphic Processes: Reactions and Microstructure Development. John Wiley and Sons, New York. 247 p. _____. 1978. Pseudomorphous replacement of cordierite by symplectic intergrowths of andalusite, biotite and quartz. Lithos, v. 11, p. 283–289. _____. 1986. K-feldspar megacrysts in granites: Phenocrysts, not porphyroblasts. Earth-Science Rev., v. 23, p. 1–63. _____. 1988. Microstructural evidence of rotation and non-rotation of mica prophyroblasts. JMG, v. 6, p. 595–601. _____. 1988. Sequential growth of cordierite and andalusite porphyroblasts, Cooma Complex, Australia: Microstructural evidence of a prograde reaction. JMG, v. 6, p. 255–269. _____. 1990. Crystallization and hybridism in microgranitoid enclave magmas: Microstructural evidence. JGR, v. 95, p. 17849–17859. Vernon, R.H.; Flood, R.H.; and D'Arcy, W.F. 1987. Sillimanite and andalusite produced by basecation leaching and contact metamorphism of felsic igneous rocks. JMG, v. 5, p. 439– 450. Viau, C. 1983. Depositional sequences, facies and evolution of the upper Devonian Swan Hills reef buildup, central Alberta, Canada. In Harris, P.M., ed., Carbonate Buildups: Core Workshop. SEPM Core Workshop no. 4, p. 112–143. Vidal, P.; Bernard-Griffiths, J.; Coeheric, A.; Le Fort, P.; Peucat, J.J.; and Sheppard, S.M.F. 1984. Geochemical comparison between Himalayan and Hercynian leucogranites. Physics Earth Planet. Interiors, v. 35, p. 179–190. Vidale, R. 1969. Metasomatism in a chemical gradient and the formation of calc-silicate bands. AJS, v. 267, p. 857–874. _____. 1974. Vein assemblages and metamorphism in Dutchess County, New York. GSAB, v. 85, p. 303–306. Vidale, R., and Hewitt, D.A. 1973. "Mobile" components in the formation of calc-silicate bands. AM, v. 58, p. 991–997. Vidale, R., and Holloway, J.R. 1988. Experimental determination of the fluid-absent melting relations in the pelitic system: Consequences for crustal differentiation. CMP, v. 98, p. 257–276. Vielzeuf, D., and Boivin, p. 1984. An algorithm for the construction of petrogenetic grids: Application to some equilibria in granulitic paragneisses. AJS, v. 284, p. 760–791. Vigneresse, J.-L. 1988. Forme et volume des plutons granitiques. Bull. Soc. Geol. France, v. 8, p. 897–906. Vigneresse, J.L. and Bouchez, JL. 1997. Successive granitic magma batches during pluton emplacement: the case of Cabeza de Araya (Spain). JP, v. 38, p. 1767-1776. Viljoen, M.J. 1999. The nature and origin of the Merensky Reef of the western Bushveld Complex based on geological facies and geophysical data. S. Afr. J. Geol., v. 102, p. 221-239. Viljoen, R.P., and Viljoen, M.J. 1982. Komatiites: An historical review. In Arndt, N.T., and Nisbet, E.G., eds., Komatiites. George Allen and Unwin, London, p. 5–17. Viljoen, M.J.; Viljoen, R.P.; and Pearton, T.N. 1982. The nature and distribution of Archean komatiite volcanics in South Africa. In Arndt, N.T., and Nisbet, E.G., eds., Komatiites. George Allen and Unwin, London, p. 53–79. Vine, F.J., and Moores, E.M. 1972. A model for the gross structure, petrology, and magnetic properties of oceanic crust. In Shagam, R., et al., eds., Studies in Earth and Space Sciences. GSA Memoir no. 132, p. 195–205. Vine, J.D. 1969. Element Distribution in Some Paleozoic Black Shales and Associated Rocks. USGSB no. 1214G. 32 p. Vine, J.D., and Tourtelot, E.B. 1970. Geochemistry of black shale deposits: A summary report. Economic Geol., v. 65, p. 253–272. Visher, G.S. 1965. Use of vertical profile in environmental reconstruction. AAPGB, v. 49, p. 41– 61. _____. 1972. Physical characteristics of fluvial deposits. In Rigby, J.K., and Hamblin, W.K., eds., Recognition of Ancient Sedimentary Environments. SEPM Spec. Paper no. 16, p. 84–97. Visocky, A.P.; Sherrill, M.G., and Cartwright, K. 1985. Geology, Hydrology, and Water Quality of the Cambrian and Ordovician Systems in Northern Illinois. Illinois State Geol. Surv., Illinois State Water Survey, Cooperative Groundwater Report no. 10. 136 p. Visona, D. 1986. Chilled margins and commingling of magmas in the Bressanone (Brixen) Hercynian granodiorites (eastern Alps, northern Italy). Chemical Geol., p. 33–44. Visscher, P.T., Reid, R.P., Bebout, B.M., Hoeft, S.E., Macintyre, I.G., and Thompson, J.A., Jr. 1998. Formation of lithified micritic laminae in modern marine stromatolites (Bahamas): The role of sulfur cycling. AM, v. 83, p. 1482-1493. Visser, J.N.J. 1989. Stone orientations in basal glaciogenic diamictite: Four examples from the Permo-Carboniferous Dwyka Formation, South Africa. JSP, v. 59, p. 935–943. Visser, P., and Mancktelow, N.S. 1992. The rotation of garnet porphyroblasts around a single fold, Lukmanier Pass, Central Alps. Journal of Structural Geology, v. 14, p. 1193-1202. Vitali, F.; Blanc, G.; and Larque, P. 1995. Zeolite distribution in volcaniclastic deep-sea sediments from the Tonga Trench margin (SW Pacific). Clays and Clay Minerals, v. 43, p. 92-104. Viti, C., and Mellini, M. 1996. Vein antigorites from Elba Island, Italy. Eur. J. Mineral., v. 8, p. 423-434. Viti, C.; and Mellini, M. 1998. Mesh textures and bastites in the Elba retrograde serpentinites. Eur. J. Mineral., v. 10, p. 1341-1359. Vityk, M.O., and Bodnar, R.J. 1995. Do fluid inclusions in high-grade metamorphic terranes preserve peak metamorphic density during retrograde decompression? AM, v. 80, p.641644. Vityk, M.O.; Bodnar, R.J.; and Schmidt, C.S. 1994. Fluid inclusions as tectonothermobarometers: Relation between pressure-temperature history and reequilibration morphology during crustal thickening. Geology, v. 22, p. 731-734. Vogel, T.A.; Eichelberger, J.C., et al. 1989. Petrology and emplacement dynamics of intrusive and extrusive rhyolites of Obsidian Dome, Inyo Craters volcanic chain, eastern California. JGR, v. 94, p. 17937–17956. Vogel, T.A.; Noble, D.C.; and Younker, L.W. 1989. Evolution of a chemically zoned magma body: Black Mountain volcanic center, southwestern Nevada. JGR, v. 94, p. 6041–6058. Vogel, T.A.; Ryerson, F.J.; Noble, D.C.; and Younker, L.W. 1987. Limits to magma mixing based on chemistry and mineralogy of pumice fragments erupted from a chemically zoned magma body. JG, v. 95, p. 659–670. Vogel, T.A.; Younker, L.W.; Wilband, J.T.; and Kampmueller, E. 1984. Magma mixing: The Marsco Suite, Isle of Skye, Scotland. CMP, v. 87, p. 231–241. Vogt, P.R.; Schneider, E.D.; and Johnson, G.L. 1969. The crust and upper mantle beneath the sea. In Hart, P.J., ed., The Earth's Crust and Upper Mantle. AGU Geophys. Monograph no. 13, p. 556–617. Voight, B. 1978a. Lower Gros Ventre slide, Wyoming, USA. In Voight, B., ed., Rockslides and Avalanches. vol. 1, Natural Phenomena. Elsevier, Amsterdam, p. 113–166. _____, ed. 1978b. Rockslides and Avalanches. vol. 1, Natural Phenomena. Elsevier, Amsterdam. 833 p. Volcano: The Eruption of Mount St. Helens. 1980. Longview Publishing, Longview, Wash. 96 p. Volpe, A.M.; Macdougall, J.D.; and Hawkins, J.W. 1988. Lau Basin Basalts (LBB): Trace element and Sr-Nd isotopic evidence for heterogeneity in backarc basin mantle. EPSL, v. 90, p. 174–186. von der Borch, C.C. 1965. The distribution and preliminary geochemistry of modern carbonate sediments of the Coorong area, south Australia. GeCA, v. 29, p. 781–799. _____. 1976. Stratigraphy and formation of Holocene dolomitic carbonate deposits of the Coorong area, south Australia. JSP, v. 46, p. 952–956. von der Borch, C.C., and Lock, D. 1979. Geological significance of Coorong dolomites. Sedimentology, v. 26, p. 813–824. von Drach, V.; Marsh, B.D.; and Wasserburg, G.J. 1986. Nd and Sr isotopes in the Aleutians: Multicomponent parenthood of island-arc magmas. CMP, v. 92, p. 13–34. von Engelhardt, W. 1997. Suevite breccia of the Ries impact crater, Germany: Petrography, chemistry and shock metamorphism of crystalline rock clasts. Meteoritics and Planetary Science, v. 32, p. 545-554. von Huene, R. 1972. Structure of the continental margin and tectonism at the eastern Aleutian trench. GSAB, v. 83, no. 12, p. 3613–3626. von Huene, R., et al. 1980. Leg 67: The Deep Sea Drilling Project Mid-America Trench transect off Guatemala. GSAB, v. 91, p. 421–432. _____. 1982. A summary of Deep Sea Drilling Project leg 67 shipboard results from the MidAmerica Trench transect off Guatemala. In Leggett, J.K., ed., Trench-Forearc Geology: Sedimentation and Tectonics on Modern and Ancient Active Plate Margins. Geol. Soc. (London) Spec. Pub. no. 10. Blackwell Sci. Pubs., Oxford, p. 121–129. _____. 1985. Site 570. Initial Reports DSDP, v. 84, p. 283–319. _____. 1988. Ocean drilling program, leg 112, Peru Continental Margin: Part 1, Tectonic history. Geology, v. 16, p. 934–938. von Huene, R., and Arthur, M.A. 1982. Sedimentation across the Japan Trench off northern Honshu Island. In Leggett, J. K., ed., Trench-Forearc Geology: Sedimentation and Tectonics on Modern and Ancient Active Plate Margins. Geol. Soc. (London) Spec. Pub. no. 10, Blackwell Sci. Pubs., Oxford, p. 27–48. von Rad, U.; Rosch, H.; Berner, U.; Geyh, M.; Marchig, V.; and Schulz, H. 1996. Authigenic carbonates derived from oxidized methane vented from the Makran accretionary prism off Pakistan. Marine Geology, v. 136, p. 55-77. von Wagoner, J.C.; Mitchum, R.M.; Campion, K.M.; and Rahmanian, V.D. 1990. Siliciclastic Sequence Stratigraphy in Well Logs, Cores, and Outcrops: Concepts for High-Resolution Correlation of Time and Facies. AAPG Methods in Exploration Series, no. 7. 55 p. Vuagnat, M. 1963. Remarques sur la trilogie serpentinites-gabbros-diabases dans le bassin de la Mediterranee Occidentale. Geologische Rundschau, v. 53, p. 336–358. Vuataz, F.D. 1986. Isotope geochemistry of thermal and nonthermal waters in the Valles Caldera, Jemez Mountains, northern New Mexico. JGR, v. 91, p. 1835–1853. W Wachs, D., and Hein, J.R. 1975. Franciscan limestones and their environments of deposition. Geology, v. 3, p. 29–33. Wadge, G. 1980. Output rate of magma from active central volcanoes. Nature, v. 288, p. 253– 255. Waff, H.S., and Bulau, J.R. 1979. Equilibrium fluid distribution in an ultramafic partial melt under hydrostatic stress conditions. JGR, v. 84, p. 6109–6114. Wagener, H.D. 1965. A real model variation in the Farrington Igneous Complex, Chatham and Orange Counties, North Carolina. Southeastern Geol., v. 6, p. 49–77. Wager, L.R. 1953. Layered intrusions. Meddelelsev fra Dansk Geologisk Forening, (Bull. Geol. Soc. Denmark), v. 12, p. 335–349. _____. 1960. The major element variation of the Layered Series of the Skaergaard Intrusion and re-estimation of the average composition of the hidden Layered Series of the successive residual magmas. JP, v. 1, p. 364–398. _____. 1961. A note on the origin of ophitic texture in the chilled olivine gabbro of the Skaergaard Intrusion. Geological Mag., v. 98, p. 353–366. _____. 1963. The mechanism of adcumulus growth in the layered series of the Skaergaard Intrusion. In Fisher, D.J., et al., eds., Int'l Mineralogical Assoc. Papers and Proceedings of the 3rd General Meeting. MSA Spec. Paper no. 1, p. 1–9. _____. 1968. Rhythmic and cryptic layering in mafic and ultramafic plutons. In Hess, H.H., and Poldervaart, A., eds., Basalts, vol. 2. John Wiley and Sons, New York, p. 573–622. Wager, L.R., and Brown, G.M. 1967. Layered Igneous Rocks. Oliver and Boyd, Edinburgh. 588 p. Wager, L.R.; Brown, G.M.; and Wadsworth, W.J. 1960. Types of igneous cumulates. JP, v. 1, p. 73–85. Wager, L.R., and Deer, W.A. 1939. Geological Investigations in East Greenland: Part 3, The Petrology of the Skaergaard Intrusion, Kangerdlugssuaq, East Greenland. Meddelelser om Gronland, v. 105, no. 4., p. 1–352. Wagner, D.L.; Bortugno, E.J.; and McJunkin, R.D. 1990. Geologic map of the San Francisco– San Jose Quadrangle: Scale 1:250,000. California Div. Mines Geol., Regional Geol. Map Series, Map no. 5A. Wagner, T.P., Clague, D.A., Hauri, E.H., and Grove, T.L. 1998. Trace element abundances of high-MgO glasses from Kilauea, Mauna Loa and Haleakala volcanoes, Hawaii. CMP, v. 131, p. 13-21. Wagner, T.P.; Donnelly-Nolan, J.M.; and Grove, T.L. 1995. Evidence of hydrous differentiation and crystal accumulation in the low-MgO, high-Al2O3 lake basalt from Medicine Lake volcano, California. CMP, v. 121, p. 201-216. Wagner, T.P. and Grove, T.L. 1998. Melt/harzburgite reaction in the petrogenesis of tholeiitic magma from Kilauea Volcano, Hawaii. CMP, v. 131, p. 1-12. Wahlstrom, E.E. 1947. Igneous Minerals and Rocks. John Wiley and Sons, New York. 367 p. _____. 1950. Introduction to Theoretical Igneous Petrology. John Wiley and Sons, New York. 365 p. Wakabayashi, J. 1990. Counterclockwise P-T-t paths from amphibolites, Franciscan Complex, California: Relics from the early stages of subduction zone metamorphism. JG, v. 98, p. 657–680. Wakabayashi, J. 1992. Nappes, tectonics of oblique plate convergence, and metamorphic evolution related to 140 million years of contiuous subduction, Franciscan Complex, California. JG, v. 100, p. 19-40. Wakabayashi, J., and Unruh, J.R. 1995. Tectonic wedging, blueschist metamorphism, and exposure to blueschists: Are they compatible? Geology, v. 23, p. 85-88. Wakefield, J. 1977. Mylonitization in the Lethakane shear zone, eastern Botswana. Jour. Geol. Soc. (London), v. 133, p. 263–275. Walawender, M.J., et al. 1990. Origin and evolution of the zoned La Posta-type plutons, eastern Peninsular Ranges batholith, southern and Baja California. In Anderson, J.L., ed., The Nature and Origin of Cordilleran Magmatism. GSA Memoir no. 174, p. 1–18. Walawender, M.J.; Hoppler, H.; Smith T.E.; and Riddle, C. 1979. Trace element evidence for contamination in a gabbronorite-quartz diorite sequence in the Peninsular Ranges batholith. JG, v. 87, p. 87–97. Waldron, H.H. 1961. Geologic reconnaissance of Frosty Peak Volcano and vicinity, Alaska. USGSB no. 1028-T, p. 677–708. Walker, D., and DeLong, S.E. 1982. Soret separation of Mid-Ocean Ridge Basalt magma. CMP, v. 79, p. 231–240. Walker, D.; Shibata, T.; and DeLong, S.E. 1979. Abyssal tholeiites from the Oceanographer Fracture Zone. 2: Phase equilibria and mixing. CMP, v. 70, p. 111–125. Walker, F. 1940. Differentiation of the Palisade diabase, New Jersey. GSAB, v. 51, p. 1059– 1106. Walker, G.P.L. 1989. Gravitational (density) controls on volcanism, magma chambers and intrusions. Australian Jour. Earth Sci., v. 36, p. 149–165. Walker, G.W. 1973. Contrasting compositions of the youngest Columbia River Basalt flows in Union and Wallowa Counties, Northeastern Oregon. GSAB, v. 84, p. 425–430. Walker, J.A. 1984. Volcanic rocks from the Nejapa and Granada Cinder Cone alignments, Nicaragua, Central America. JP, v. 25, p. 299–342. Walker, J.A.; Carr, M.J.; Patino, L.C.; Johnson, C.M.; Feigenson, M.D.; and Ward, R.L. 1995. Abrupt change in magma generation processes across the Central American arc in southeastern Guatemala: Flux-dominated melting near the base of the wedge to decompression melting near the top of the wedge. CMP, v. 120, p. 378-390. Walker, J.D., and Coleman, D.S. 1991. Geochemical constraints on mode of extension in the Death Valley region. Geology, v. 19, p. 971–974. Walker, J.R. 1989. Polytypism of chlorite in very low grade metamorphic rocks. AM, v. 74, p. 738–743. Walker, J.R., and Naslund, H.R. 1986. Tectonic significance of mildly alkaline Pliocene lavas in Klamath River Gorge, Cascade Range, Oregon. GSAB, v. 97, p. 206–212. Walker, K.R. 1969a. A mineralogical, petrological, and geochemical investigation of the Palisades Sill, New Jersey. In Larsen, L.H.; Prinz, M.; and Manson, V., eds., Igneous and Metamorphic Geology. GSA Memoir no. 115, p. 175–187. _____. 1969b. The Palisades Sill, New Jersey: A Reinvestigation. GSA SP no. 111. 178 p. Walker, K.R., and Ferrigno, K.F. 1973. Major Middle Ordovician reef tract in east Tennessee. AJS, v. 273-A, p. 294–325. Walker, K.R; Shanmugam, G.; and Ruppel, S.C. 1983. A model for carbonate to terrigenous clastic sequences. GSAB, v. 94, p. 700–712. Walker, K.R., and Simmons, W.A. 1985. The Middle Cambrian Conasauga Group in the Thorn Hill Section: An intracratonic platform/basin complex. In Walker, K.R., ed., The Geologic History of the Thorn Hill Paleozoic Section (Cambrian-Mississippian), Eastern Tennessee. Univ. of Tenn., Dept. Geol. Sciences, Studies in Geology no. 10, p. 14–24. Walker, R.G. 1975. Generalized facies models for resedimented conglomerates of turbidite association. GSAB, v. 86, p. 737–748. _____. 1977. Deposition of upper Mesozoic resedimented conglomerates and associated turbidites in southwestern Oregon. GSAB, v. 88, p. 273–285. _____, ed. 1984a. Facies Models. 2nd ed. Geol. Assoc. Canada–Geoscience Canada Reprint Series no. 1. 317 p. _____. 1984b. General Introduction: Facies, facies sequences and facies models. In Walker, R.G., ed., Facies Models. 2nd ed. Geol. Assoc. Canada–Geoscience Canada Reprint Series no. 1, p. 1–9. _____. 1984c. Shelf and shallow marine sands. In Walker, R.G., ed., Facies Models. 2nd ed. Geol. Assoc. Canada–Geoscience Canada Reprint Series no. 1, p. 141–170. _____. 1984d. Turbidites and associated coarse clastic deposits. In Walker, R.G., ed., Facies Models. 2nd ed. Geol. Assoc. Canada–Geoscience Canada Reprint Series no. 1, p. 179– 188. _____. 1992. Turbidites and submarine fans. In R.G. Walker and N.P. James, eds. Facies Models: Response to Sea Level Change. Geological Association of Canada. St. Johns, Newfoundland. p. 239-263. Walker, R.G., and Cant, D.J. 1984. Sand fluvial systems. In Walker, R.G., ed., Facies Models. 2nd ed. Geol. Assoc. Canada–Geoscience Canada Reprint Series no. 1, p. 71–89. Walker, R.G., and Harms, J.C. 1971. The "Catskill Delta": A prograding muddy shoreline in central Pennsylvania. JG, v. 79, p. 381–399. Walker, R.G. and James, N.P., eds. 1992. Facies Models: Response to Sea Level Change. Geological Association of Canada. St. Johns, Newfoundland. 409p. Walker, R.G., and Mutti, E. 1973. Turbidite facies and facies associations. In Middleton, G.V., and Bouma, A.H., eds., Turbidites and Deep Water Sedimentation. Pacific Sec. SEPM Short Course Notes, p. 119–157. Walker, R.J.; Hanson, G.N.; and Papike, J.J. 1989. Trace element constraints on pegmatite genesis: Tin Mountain pegmatite, Black Hills, South Dakota. CMP, v. 101, p. 290–300. Walker, R.J.; Hanson, G.N.; Papike, J.J.; and O'Neil, J.R. 1986a. Nd, O and Sr isotopic constraints on the origin of Precambrian rocks, Southern Black Hills, South Dakota. GeCA, v. 50, p. 2833–2846. Walker, R.J.; Hanson, G.N.; Papike, J.J.; O'Neil, J.R.; and Laul, J.C. 1986b. Internal evolution of the Tin Mountain pegmatite, Black Hills, South Dakota. AM, v. 71, p. 440–459. Walker, R.J.; Shirey, S.B.; and Stecher, O. 1988. Comparative Re-Os, Sm-Nd and Rb-Sr isotope and trace element systematics for Archean komatiite flows from Munro Township, Abitibi Belt, Ontario. EPSL, v. 87, p. 1–12. Walker, T.R. 1962. Reversible nature of chert-carbonate replacement in sedimentary rocks. GSAB, v. 73, p. 237–241. _____. 1967. Formation of red beds in moist tropical climates: A hypothesis. GSAB, v. 85, p. 633–638. Wall, V.J.; Clemens, J.D.; and Clarke, D.B. 1987. Models for granitoid evolution and source compositions. JG, v. 95, p. 731–749. Wallace, M.W. 1990. Origin of dolomitization on the Barbwise Terrace, Canning Basin, western Australia. Sedimentology, v. 37, p. 105–122. Wallace, P., and Carmichael, I.S.E. 1989. Minette lavas and associated leucitites from the western front of the Mexican Volcanic Belt: Petrology, chemistry, and origin. CMP, v. 103, p. 470–492. Wallace, T.C.; Chase, C.G.; Holt, W.E.; and Hiller, J.W. 1986. A geophysical study of the crustal structure near a metamorphic core complex. Ariz. Geol. Soc. Digest, v. 16, p. 153– 158. Wallin, E.T., and Metcalf, R.V. 1998. Supra-subduction zone ophiolite formed in an extensional forearc: Trinity terrane, Klamath Mountains, California. JG, v. 106, p. 591608. Wallis, S. 1998. Exhuming the Sanbagawa metamorphic belt: The importance of tectonic discontinuities. JMG, v. 16, p. 83-95. Wallis, S., and Banno, S. 1990. The Sanbagawa belt: Trends in research. JMG, v. 8, p. 393–399. Wallis, S.R.; Ishiwatari, A.; Hirajima, T.; Ye, K.; Guo, J.; Nakamura, D.; Kato, T.; Zhai, M.; Enami, M.; Cong, B.; and Banno, S. 1997. Occurrence and field relationships of ultrahigh-pressure metagranitoid and coesite eclogite in the Su-Lu terrane, eastern China. Journal of the Geological Society, London, v. 154, p. 45-54. Wallmach, T.; Hatton, C.; and Droop, G.T.R. 1989. Extreme facies of contact metamorphism developed in calc-silicate xenoliths in the eastern Bushveld Complex. CM, v. 27 p. 509– 523. Walls, R.A. 1983. Golden Spike Reef Complex, Alberta. In Scholle, P.A.; Bebout, D.G.; and Moore, C.H., eds., Carbonate Depositional Environments. AAPG Memoir no. 33, p. 445–453. Walls, R.A., and Burrowes, G. 1985. The role of cementation in the diagenetic history of Devonian reefs. In Schneiderman, N., and Harris, P.M., eds., Carbonate Cements. SEPM Spec. Pub. no. 36, p. 185–220. Walter, A.-V., Flicoteaux, R., Parron, C., Loubet, M., and Nahon, D. 1995. Rare-earth elements and isotopes (Sr, Nd, O, C) in minerals from the Juquuia carbonatite (Brazil): Tracers of a multistage evolution. Chemical Geol., v. 120, p. 27-44. Walter, L.M. 1985. Relative reactivity of skeletal carbonates during dissolution: Implications for diagenesis. In Schneiderman, N., and Harris, P.M., eds., Carbonate Cements. SEPM Spec. Pub. no. 36, p. 3–16. Walter, L.S. 1963a. Experimental studies on Bowen's decarbonation series: Part 1, P-T univariant equilibria of the "monticellite" and "akermanite" reactions. AJS, v. 261, p. 488–500. _____. 1963b. Experimental studies on Bowen's decarbonation series: Part 2, P-T univariant equilibria of the reaction: forsterite + calcite = monticellite + periclase + CO2. AJS, v. 261, p. 773–779. Walter, M.J. 1998. Melting of garnet peridotite and the origin of komatiite and depleted lithosphere. JP, v. 39, p. 29-60. Walters, L.J., Jr.; Owen, D.E.; Henley, A.L.; Winsten, M.S.; and Valek, K.W. 1987. Depositional environments of the Dakota sandstone and adjacent units in the San Juan Basin utilizing discriminant analysis of trace elements in shales. JSP, v. 57, p. 265–277. Walther, J.V. 1983. Description and interpretation of metasomatic phase relations at high pressures and temperatures: Part 2, Metasomatic reactions between quartz and dolomite at Campolungo, Switzerland. AJS, v. 283-A, p. 459–485. Walther, J.V. 1996. Fluid production and isograd reactions at contacts of carbonate-rich and carbonate-poor layers during progressive metamorphism. JMG, v. 14, p. 351-360. Walther, J.V., and Orville, P.M. 1982. Volatile production and transport in regional metamorphism. CMP, v. 79, p. 252–257. Walther, J.V., and Wood, B.J. 1984. Rate and mechanism in prograde metamorphism. CMP, v. 88, p. 246–259. _____, eds. 1986. Fluid-Rock Interactions During Metamorphism. Springer-Verlag, New York. 218 p. Walton, A.W., and Palmer, B.A. 1988. Lahar facies of the Mount Dutton Formation (OligoceneMiocene) in the Marysvale Volcanic Field, southwestern Utah. GSAB, v. 100, p. 1078– 1091. Walton, M. 1955. The emplacement of "granite." AJS, v. 253, p. 1–18. _____. 1960. Granite problems. Science, v. 131, p. 635–645. Wang, C.-Y., and Shi, Y.-L. 1984. On the thermal structure of subduction complexes: A preliminary study. JGR, v. 89, p. 7709–7718. Wang, G.-F.; Banno, S.; and Takeuchi, K. 1986. Reactions to define the biotite isograd in the Ryote metamorphic belt, Kii Peninsula, Japan. CMP, v. 93, p. 9–17. Wang, Q. and Cong, B. 1999. Exhumation of UHP terranes: A case study from the Dabie Mountains, eastern China. Int’l. Geology Review, v. 41, p. 991-1004. Wang, Q. and Cong, B. 2000. Exhumation of UHP terranes: A case Study from the Dabie Mountains, eastern China. In Ernst, W.G. and Liou, J.G., eds. Ultra-high Pressure Metamorphism and Geodynamics in Collision-type Orogenic Belts. Bellweather Publ. Ltd. Columbia, Maryland. p. 170-180. Wang, T., Wang, X., and Li, W. 2000. Evaluation of multiple emplacement mechanisms: the Huichizi granite pluton, Qinling orogenic belt, central China. Journal of Struct. Geology, v. 22, p. 505-518. Wang, X., and Liou, J.G. 1991. Regional ultrahigh-pressure coesite-bearing eclogite terrane in central China: Evidence from country rocks, gneiss, marble, and metapelite. Geology, v. 19, p. 933–936. Wang, X.; Liou, J.G.; and Mao, H.K. 1989. Coesite-bearing eclogite from the Dabie Mountains in central China. Geology, v. 17, p. 1085–1088. Wang, X.; Zhang, R.; and Liou, J.G. 1995. UHPM terrane in east central China. In Coleman, R.C. and Wang, X., eds. Ultrahigh Pressure Metamorphism, Cambridge University Press, Cambridge, p. 356-390. Wanless, H.R. 1979. Limestone response to stress: Pressure solution and dolomitization. JSP, v. 49, p. 437–462. Wantland, K.F., and Pusey, W.C., III, eds. 1975. Belize Shelf: Carbonate Sediments, Clastic Sediments, and Ecology. AAPG, Tulsa, Okla. 599 p. Waples, D.W. 1983. Reappraisal of anoxia and organic richness, with emphasis on Cretaceous of North Atlantic. AAPGB, v. 67, p. 963–978. Ward, W.C. 1975. Petrology and diagenesis of carbonate eolianites of northeastern Yucatan Peninsula, Mexico. In Wantland, K.F., and Pusey, W.C., III, eds., Belize Shelf: Carbonate Sediments, Clastic Sediments, and Ecology. AAPG, Tulsa, Okla. p. 500–571. Wardlaw, N.C., and Schwerdtner, W.M. 1966. Halite-anhydrite seasonal layers in the middle Devonian Prairie evaporite formation, Saskatchewan, Canada. GSAB, v. 77, p. 331–342. Warner, R.D. 2001. Mineralogy and petrology of metaultramafic rocks at Buck Creek, North Carolina. Southeastern Geology, v. 40 (in press). Warner, R.D. et al., 1985. Olivine-normative dolerite dikes from western South Carolina: Mineralogy, chemical composition and petrogenesis. CMP, v. 90, p. 386–400. Warner, R.D. and Swanson, S.E. 2000. Mineralogy and petrology of ultramafic rocks from the Webster-Addie area: A preliminary assessment. GSA Abstacts with Programs, v. 32, no. 2, p. A-80-81. Warr, L.N., 1995. A reconnaissance study of very low-grade metamorphism in south Devon. Proceedings of the Ussber Society, v. 8, p. 405-410. Warr, L.N. 1996. Standardized clay mineral crystallinity data from the very low-grade metamorphic facies rocks of southern New Zealand. Eur. J. Mineral., v. 8, p. 115-127. Warren, C.H. 1913. Petrology of the alkali-granites and porphyries of Quincy and the Blue Hills, Mass., USA. Proc. American Acad. Arts Sci., v. 49, no. 5, p. 201–331. Warren, J.K., and Kendall, C.G.S.C. 1985. Comparison of sequences formed in marine sabkha (subaerial) and salina (subaqueous) settings: Modern and ancient. AAPGB, v. 69, p. 1013–1023. Warshaw, C.M., and Smith, R.L. 1988. Pyroxenes and fayalites in the Bandelier Tuff, New Mexico: Temperatures and comparison with other rhyolites. AM, v. 73, p. 1025–1037. Washington, H.S. 1917. Chemical Analyses of Igneous Rocks, Published from 1884 to 1913, Inclusive, with a Theoretical Discussion of the Character and Uses of Analyses. USGS PP no. 99. 1201 p. Wasklewicz, T.A. 1994. Importance of environment on the order of mineral weathering in olivine basalts, Hawaii. Earth Surface Processes and Landforms, v. 19, p. 715-734. Wass, S.Y., and Hollis, J.D. 1983. Crustal growth in southeastern Australia: Evidence from lower crustal eclogitic and granulitic xenoliths. JMG, v. 1, p. 25–45. Watanabe, T., and Kobayashi, H. 1984. Occurrence of lawsonite in pelitic schists from the Sanbagawa metamorphic belt, central Shikoku, Japan. JMG, v. 2, p. 365–369. Watanabe, T., Koyaguchi, T., and Seno, T. 1999. Tectonic stress controls on ascent and emplacement of magmas. Journal of Volcanology and Geothermal Research, v. 91, p. 65-78. Waters, A.C. 1955. Volcanic rocks and the tectonic cycle. In Poldervaart, A., ed., Crust of the Earth. GSA SP no. 62, p. 703–722. _____. 1961. Stratigraphic and lithologic variations in the Columbia River Basalt. AJS, v. 259, p. 583–611. _____. 1962. Basalt magma types and their tectonic associations: Pacific northwest of the United States. In MacDonald, G.A., and Kuno, H., eds., The Crust of the Pacific Basin. AGU Monograph no. 6, p. 158–170. Waters, A.C., and Campbell, C.D. 1935. Mylonites from the San Andreas Fault zone. AJS, v. 29, p. 473–503. Watkins, K.P. 1987. Biotite- and garnet-forming reactions in inverted metamorphic zones in the Balquhidder region of the Scottish Dalradian. Scottish Jour. Geol., v. 23, p. 105–127. Watkins, N.D., and Baksi, A.K. 1974. Magnetostratigraphy and oroclinal folding of the Columbia River, Steens, and Owyhee basalts in Oregon, Washington, and Idaho. AJS, v. 274, p. 148–189. Watkinson, D.H., and Wyllie, P.J. 1964. The limestone assimilation hypothesis. Nature, v. 204, no. 4963, p. 1053–1054. _____. 1969. Phase equilibrium studies bearing on the limestone-assimilation hypotheses. GSAB, v. 80, p. 1565–1576. _____. 1971. Experimental study of the composition join NaAlSiO4-CaCO3-H2O and the genesis of alkalic rock-carbonatite complexes. JP, v. 12, p. 357–278. Watson, E.B., and Jurewicz, S.R. 1984. Behavior of alkalies during diffusive interaction of granitic xenoliths with basaltic magma. JG, v. 92, p. 121–131. Watts, A.B., and Ten Brink, U.S. 1989. Crustal structure, flexure, and subsidence history of the Hawaiian Islands. JGR, v. 94, p. 10473–10500. Watts, B.J. 1973. Relationship between fluid-bearing and fluid-absent invariant points and a petrogenetic grid for a greenschist facies assemblage in the system CaO-MgO-Al2O3SiO2-CO2-H2O. CMP, v. 40, p. 225–238. Watts, M.J., and Williams, G.D. 1983. Strain geometry, microstructure and mineral chemistry in metagabbro shear zones: A study of softening mechanisms during progressive mylonitization. Jour. Structural Geol., v. 5, p. 507–517. Wavra, C.S.; Isaacson, P.E.; and Hall, W.E. 1986. Studies of the Idaho shale belt: Stratigraphy, depositional environment, and economic geology of the Permian Dollarhide Formation. GSAB, v. 97, p. 1504–1511. Weaver, C.E. 1949. Geology of the Coast Ranges immediately north of the San Francisco Bay Region, California. GSA Memoir no. 35. 242 p. _____. 1960. Possible uses of clay minerals in search for oil. AAPGB, v. 44, p. 1505–1518. _____. 1961. Clay minerals of the Ouachita structural belt and adjacent foreland. In Flann, P.T., et al., eds., The Ouachita System. Univ. of Texas Pub. no. 6120, p. 147–160. _____. 1967. Variability of a river clay suite. JSP, v. 37, p. 971–974. _____. 1984. Shale-Slate Metamorphism in the Southern Appalachians. Elsevier, Amsterdam. 239 p. _____. 1989. Clays, Muds, and Shales. Elsevier, Amsterdam. 819 p. Weaver, C.E.; Beck, K.C., and Pollard, C.O., Jr. 1971. Clay Water Diagenesis During Burial: How Mud Becomes Gneiss. GSA Spec. Paper no. 134. 96 p. Weaver, C.E., et al. 1984. Shale-Slate Metamorphism in Southern Appalachians. Elsevier, Amsterdam. 239 p. Weaver, S.D.; Saunders, A.D.; Pankhurst, R.J.; and Tarney, J. 1979. A geochemical study of magmatism associated with the initial stages of back-arc spreading. CMP, v. 68, p. 151– 169. Webb, F., Jr. 1959. Geology of the Middle Ordovician Limestones in the Rich Valley Area, Smyth County, Virginia. Master's thesis, Virginia Polytech. Inst., and State Univ., Blacksburg, Va. 95 p. Webb, F., Jr., and Raymond, L.A. 1979. Re-evaluation of the evidence for late Cenozoic faulting in southwestern Virginia. In Raymond, L.A., ed., Proceedings of the Second Annual Conference on the Quaternary History of the Southeastern United States. ASU Department of Geology Pub. no. 1, p. 22–28. _____. 1989. Evaporite texture in Knox Group chert and the Knox-Middle Ordovician unconformity, Nebo quadrangle, Virginia. GSA Abs. with Prog., v. 19, p. 64. Webb, S.L. 1997. Silicate Melts. Springer-Verlag, Berlin, 76p. Webber, K.L.; Simmons, W.B.; Falster, A.U.; and Foord, E.E. 1999, Cooling rates and crystalization dynamics of shallow level pegmatite-aplite dikes, San Diego County, California. AM, v. 84, p. 708-717. Weber, C.; Barbey, P.; Cuney, M.; and Martin, H. 1985. Trace element behaviour during migmatization. Evidence for a complex melt-residuum-fluid interaction in the St. Malo migmatitic dome (France). CMP, v. 90, p. 52–62. Weber, J.N. 1960. Geochemistry of graywackes and shales. Science, v. 131, p. 664–665. Weber, J.N., and Middleton, G.V. 1961. Geochemistry of the turbidites of the Normanskill and Charny formations. GeCA, v. 22, p. 200–88. Weber, L.J. 1985. Stratigraphy and depositional environments of the Lower Knox Group (Copper Ridge Dolomite and Chepultepic Dolomite) along U.S. Route 25E. In Walker, K.R., ed., The Geologic History of the Thorn Hill Paleozoic Section (CambrianMississippian), Eastern Tennessee. Univ. of Tennessee, Dept. Geol. Sci., Studies in Geol. no. 10, p. 32–42. Weber, M.E.; von Stackelberg, U.; Marchig, V.; Wiedicke, M.; and Grupe, B. 2000. Variability of surface sediments in the Peru basin: Dependence on water depth, productivity, bottom water flow, and seafloor topography. Marine Geology, v. 163, p. 169-184. Wedekind, J.E. 1985. Shelf facies of the middle Chikamanga Group. In Walker, K.R., ed., The Geologic History of the Thorn Hill Paleozoic Section (Cambrian-Mississippian), Eastern Tennessee. Univ. of Tennessee, Dept. Geol. Sci., Studies in Geol. no. 10, p. 70–75. Wedepohl, K.H. 1988. Spilitization in the ocean crust and seawater balances. Fortschr. Miner., v. 66, p. 129–146. _____. 1995. The composition of the continental crust. GeCA, v. 59, p.1217-1232. Weed, W.H., and Pirsson, L.V. 1895. Highwood Mountains of Montana. GSAB, v. 6, p. 389– 422. Weertman, J. 1971. Theory of water-filled crevasses in glaciers applied to vertical magma transport beneath oceanic ridges. JGR, v. 76, p. 1171-1183. _____. 1972. Coalescence of magma pockets into large pools in the upper mantle. GSAB, v. 83, p. 3531–3532. Wehr, F., and Glover, L., III. 1985. Stratigraphy and tectonics of the Virginia–North Carolina Blue Ridge: Evolution of a late Proterozoic–early Paleozoic hinge zone. GSAB, v. 96, p. 285–295. Wei, K.; Trunes, R.; and Scarfe, C.M. 1990. Phase relations of aluminum-undepleted and aluminum-depleted komatiites at pressures of 4–12 Gpa. JGR, v. 95, p. 15817–15827. Weiblen, P.W., and Morey, G.B. 1980. A summary of the stratigraphy, petrology, and structure of the Duluth Complex. AJS, v. 280A, p. 88–133. Weigand, P.W., and Ragland, P.C. 1970. Geochemistry of Mesozoic dolerite dikes from eastern North America. CMP, v. 29, p. 195–214. Weijermars, R., and Rondeel, H.E. 1984. Shear band foliation as an indicator of sense of shear: Field observations in central Spain. Geology, v. 12, p. 603–606. Weimer, P.; Bouma, A.H.; and Perkins, B.F., eds. 1994. Submarine Fans and Turbidite Systems. Gulf Coast Section SEPM Foundation. Earth Enterprises, Inc. Austin, Texas. 440p. Weimer, R.J. 1975. Deltaic and Shallow Marine Sandstones: Sedimentation, Tectonics and Petroleum Occurrences. AAPG Continuing Education Course Notes Series no. 2. 167 p. Weimer, R.J.; Howard, J.D.; and Lindsay, D.R. 1982. Tidal flats and associated tidal channels. In Scholle, P.A., and Spearing, D., eds., Sandstone Depositional Environments. AAPG Memoir no. 31, p. 191–245. Weinberg, R.F. 1994. Re-examining pluton emplacemnt processes: Discussion. Journ. Strucutral Geol., v. 16, p. 743-746. _____. 1996. Ascent mechanism of felsic magmas: news and views. Transactions of the Royal Society of Edinburgh: Earth Sciences. v. 87, p. 95-103. _____. 1997. The Disruption of a diorite magma pool by intruding granite: The Sobu Body, Ladakh Batholith, Indian Himalayas. The Journal of Geology, v. 105, p. 87-98. Weinberg, R.F. and Leitch, A.M. 1998. Mingling in mafic magma chambers replenished by light felsic inputs: Fluid dynamical experiments. Earth ad Planetary Science Letters, v. 157, p. 41-56. Weinstein, S.A.; Yuen, D.A.; and Olson, P.L. 1988. Evolution of crystal-settling in magmachamber convection. EPSL, v. 87, p. 237–248. Weir, G.W.; Peterson, W.L.; and Swadley, W.C. 1984. Lithostratigraphy of Upper Ordovician Strata Exposed in Kentucky. USGS PP no. 1151-E. 121 p. Weirich, F.H. 1989. The generation of turbidity currents by subaerial debris flows, California. GSAB, v. 107, p. 278–291. Weis, D., and Wasserburg, G.J. 1987. Rb-Sr and Sm-Nd systematics of cherts and other siliceous deposits. GeCA, v. 51, p. 959–972. Weiss, M.P., et al. 1965. Stratigraphy and petrology of the Cynthiana and Eden formations of the Ohio Valley: Part 7. GSA SP no. 81. 76 p. Wells, A.K., and Bishop, A.C. 1955. An appinitic facies associated with certain granites in Jersey, Channel Islands. Jour. Geol. Soc. (London), v. 111, p. 143–166. Wells, F.G., and Peck, D.L. 1961. Geologic Map of Oregon West of the 121st Meridian: Scale 1:500,000. USGS Misc. Inv. Map I-325. Wells, J.T., and Kim, S.-Y. 1989. Sedimentation in the Albemarle-Pamlico lagoonal system: Synthesis and hypothesis. Marine Geol., v. 88, p. 263–284. Wells, M.K., and Bowles, J.F.W. 1981. The textures and genesis of metamorphic pyroxene in the Freetown Intrusion. Min. Mag., v. 44, p. 245–255. Wells, N.A. 1983. Carbonate deposition, physical limnology and environmentally controlled chert formation in Paleocene-Eocene Lake Flagstaff, central Utah. SG, v. 35, p. 263–296. _____. 1984. Sheet debris flow and sheet flood conglomerates in Cretaceous cool-maritime alluvial fans, South Orkney Islands, Antarctica. In Koster, E.H., and Steel, R.J., eds., Sedimentology of Gravels and Conglomerates. Canadian Soc. Petrol. Geol. Memoir no. 10, p. 133–146. Wells, P.R.A. 1979. P-T conditions in the Moines of the Central Highlands, Scotland. Jour. Geol. Soc. (London), v. 136, p. 663–671. Wells, P.R.A., and Richardson, S.W. 1979. Thermal evolution of metamorphic rocks in the central Highlands of Scotland. In Harris, A.L.; Holland, C.H.; and Leake, B.E., eds., The Caledonides of the British Isles: Reviewed. Geol. Soc. (London) Spec. Pub. no. 8. Scottish Academic Press, Edinburgh, p. 339–344. Wells, R.E. 1980. Drake Peak: A structurally complex rhyolite center in southeastern Oregon. In Shorter Contributions to Mineralogy and Petrology, 1979. USGS PP no. 1124E (in 1124A-F), p. E1–E16. Wells, S.G., and Harvey, A.M. 1987. Sedimentologic and geomorphic variations in stormgenerated alluvial fans, Howgill Fells, northwest England. GSAB, v. 98, p. 182–198. Wendte, J.; Qing, H.; Dravis, J.J.; Moore, S.L.O.; Stasiuk, L.D.; and Ward, G. 1998. Hightemperature saline (thermoflux) dolomitization of Devonian Swan Hills platform and bank carbonates, Wild River area, west-central Alberta. Bulletin of Canadian Petroleum Geology, v. 46, p. 210-265. Wenk, E., and Wenk, H.-R. 1984. Distribution of plagioclase in carbonate rocks from the Tertiary metamorphic belt of the central Alps. Bull. Mineralogie, v. 107, p. 357–368. Wenk, H.-R. 1985. Carbonates. In Wenk, H.-R., ed., Preferred Orientation in Deformed Metals and Rocks: An Introduction to Modern Texture Analysis. Academic Press, Orlando, Fla., p. 361–384. _____, ed. 1985. Preferred Orientation in Deformed Metals and Rocks: An Introduction to Modern Texture Analysis. Academic Press, Orlando. Fla. 610 p. Wenk, H.-R., and Pannetier, J. 1990. Texture development in deformed granodiorites from the Santa Rosa mylonite zone, southern California. Jour. Structural Geol., v. 12, p. 177–184. Wenk, H.R.; Wenk, E.; and Wallace, J. 1974. Metamorphic mineral assemblages in pelitic rocks of the Bergell Alps. Schweiz. Mineral. Petrog. Mitt., v. 54, p. 507–554. Wenner, D.B., and Taylor, H.P., Jr. 1971. Temperatures of serpentinization of ultramafic rocks based on O18/O16 fractionation between coexisting serpentine and magnetite. CMP, v. 32, p. 165–185. _____. 1973. Oxygen and hydrogen isotope studies of the serpentinization of ultramafic rocks in oceanic environments and continental ophiolite complexes. AJS, v. 273, p. 207–239. Went, D.J.; Andrews, M.J.; and Williams, B.P.J. 1988. Processes of alluvial fan sedimentation, basal Rozel Conglomerate Formation, La Tete Des Hougues, Jersey, Channel Islands. Geological Jour., v. 23, p. 75–84. Wentworth, C., and Williams, H. 1932. The classification and terminology of the pyroclastic rocks. Nat'l. Acad. Science Nat. Res. Council, v. 89, p. 19–53. Wentworth, C.K. 1919. A laboratory and field study of cobble abrasion. JG, v. 27, p. 507–521. _____. 1922. A scale of grade and class terms for clastic sediments. JG, v. 30, p. 377–392. Wentworth, C.K., and Winchell, H. 1947. Koolau Basalt Series, Oahu, Hawaii. GSAB, v. 58, p. 49–78. Wentworth, C.M.; Blake, M.C., Jr.; Jones, D.L.; Walter, A.W.; and Zoback, M.D. 1984. Tectonic wedging associated with emplacement of the Franciscan assemblage, California Coast Ranges. In Blake, M.C., Jr., ed., Franciscan Geology of Northern California. Pacific Sec. SEPM Book 43, p. 163–174. West, H.B.; Gerlach, D.C.; Leeman, W.P., and Garcia, M.O. 1987. Isotopic constraints on the origin of Hawaiian lavas from the Maui Volcanic Complex, Hawaii. Nature, v. 330, p. 216–220. West, H.B., and Leeman, W.P. 1987. Isotopic evolution of lavas from Haleakala Crater, Hawaii. EPSL, v. 84, p. 211–225. Wetherill, G.W., ed. 1982. Annual Report of the Director of Department of Terrestrial Magnetism, Carnegie Institute (reprinted from Carnegie Inst. Year Book 81), p. 455–582. Whalen, J.B., and Chappell, B.W. 1988. Opaque mineralogy and mafic mineral chemistry of Iand S-type granites of the Lachlan fold belt, southeast Australia. AM, v. 73, p. 281–296. Whalen, J.B., and Currie, K.L. 1990. The Topsails igneous suite, western Newfoundland: Fractionation and magma mixing in an "orogenic" A-type granite suite. In Stein, H.J., and Hannah, J.L., eds., Ore-Bearing Granite Systems: Petrogenesis and Mineralizing Processes. GSA SP no. 246, p. 287–299. Whalen, J.B; Currie, K.L.; and Chappell, B.W. 1987. A-type granites: Geochemical characteristics, discrimination and petrogenesis. CMP, v. 95, p. 407–419. Whalen, M.T. 1988. Depositional history of an Upper Triassic drowned carbonate platform sequence: Wallowa terrane, Oregon and Idaho. GSAB, v. 100, p. 1097–1110. _____. 1995. Barred basins: A model for eastern ocean basin carbonate platforms. Geology, v. 23, p. 625-628. Wheeler, J. 1987. The significance of grain-scale stresses in the kinetics of metamorphism. CMP, v. 97, p. 397–404. Whetten, J.T. 1966a. Geology of St. Croix, U.S. Virgin Islands. In Hess, H.H., ed., Caribbean Geological Investigations. GSA Memoir no. 98, p. 177–239. _____. 1966b. Sediments from the lower Columbia River and origin of graywacke. Science, v. 152, p. 1057–1058. Whipple, J.W., and Johnson, S.N. 1988. Stratigraphy and lithocorrelation of the Snowship Formation (Middle Proterozoic Belt Supergroup), Glacier National Park, Montana. USGSB no. 1833. 30 p. Whisonant, R.C. 1977. Lower Silurian Tuscarora (Clinch) dispersal patterns in western Virginia. GSAB, v. 88, p. 215–220. _____. 1987. Paleocurrent and petrographic analysis of imbricate intraclasts in shallow-marine carbonates, Upper Cambrian, southwestern Virginia. JSP, v. 57, p. 983–994. _____. 1988. Multiple event stratification in carbonate intraclast conglomerates in the Cambrian of southwestern Virginia. Southeastern Geol., v. 28, p. 181–190. Whitaker, J.H.M., ed. 1976. Submarine Canyons and Deep-Sea Fans: Modern and Ancient. Dowden, Hutchinson, and Ross; Stroudsburg, Pa. 460 p. White, A.F. 1986. Chemical and isotopic characteristics of fluids within the Baca Geothermal Reservoir, Valles Caldera, New Mexico. JGR, v. 91, p. 1855–1866. White, A.F., and Blum, A.E. 1995. Effects of climate on chemical weathering in watersheds. GeCA, v. 59, p. 1729-1747. White, A.F.; Blum, A.E.; Schulz, M.S.; Vivit, D.V.; Stonestrom, D.A.; Larsen, M.; Murphy, S.F.; and Eberl, D. 1998. Chemical weathering in a tropical watershed, Luquillo Mountains, Puerto Rico: I. Long-term versus short-term weathering fluxes. GeCA, v. 62, p. 209-226. White, A.J.R. 1964. Clinopyroxenes from eclogites and basic granulites. AM, v. 49, p. 883–888. _____. 1979. Sources of granite magmas. GSA Abs. with Prog., v. 11, p. 539. White, A.J.R., and Chappell, B.W. 1977. Ultrametamorphism and granitoid gneiss. Tectonophysics, v. 43, p. 7–22. _____. 1983. Granitoid types and their distribution in the Lachlan Fold Belt, southeastern Australia. In Roddick, J.A., ed., Circum-Pacific Plutonic Terranes. GSA Memoir no. 159, p. 21–34. White, A.J.R., and Cleary, J.R. 1974. Geologic setting and emplacement of some Australian Paleozoic batholiths and implications for intrusive mechanisms. Pacific Geology, v. 8, p. 159–171. White, A.J.R.; Clemens, J.D.; Halloway, J.R.; Silver, L.T.; Chappell, B.W.; and Wall, V.J. 1986. S-type granites and their probable absence in southwestern North America. Geol., v. 14, p. 115–118. White, C.M., and McBirney, A.R. 1978. Some quantitative aspects of orogenic volcanism in the Oregon Cascades. In Smith, R.B., and Eaton, G.P., eds., Cenozoic Tectonics and Regional Geophysics of the Western Cordillera. GSA Memoir no. 152, p. 369–388. White, R., and McKenzie, D. 1989. Magmatism at rift zones: The generation of volcanic continental margins and flood basalts. JGR, v. 94, p. 7685–7729. White, R.W. 1966. Ultramafic inclusions in basaltic rocks from Hawaii. CMP, v. 12, p. 245–314. White, S. 1996. Composition and zoning of garnet and plagioclase in Haast Schist, northwest Otago, New Zealand: Implications for progressive regional metamorphism. New Zealand Journal of Geology and Geophysics, v. 39, p. 515-531. White, T., and Al-Aasm, I.S. 1997. Hydrothermal dolomitization of the Mississippian Upper Debolt Formation, Sikanni gas field, northeastern British Columbia, Canada. Bulletin of Canadian Petroleum Geology, v. 45, p. 297-316. White, W.M. 1985. Sources of oceanic basalts: Radiogenic isotopic evidence. Geology, v. 13, p. 115-118. White, W.M., and Bryan, W.B. 1977. Sr-isotope, K, Rb, Cs, Sr, Ba, and rare-earth geochemistry of basalts from the FAMOUS area. GSAB, v. 88, p. 571–576. White, W.M., and Hofmann, A.W. 1982. Sr and Nd isotope geochemistry of oceanic basalt and mantle evolution. Nature, v. 296, p. 821–825. White, W.M.; Hofmann, A.W.; and Puchelt, H. 1987. Isotope geochemistry of Pacific MidOcean Ridge basalt. JGR, v. 92, p. 4881–4893. White, W.M., and Patchett, J. 1984. Hf-Nd-Sr isotopes and incompatible element abundances in island arcs: Implications for magma origins and crust-mantle evolution. EPSL, v. 67, p. 167–185. White, W.M., and Schilling, J.-G. 1978. The nature and origin of geochemical variation in MidAtlantic Ridge basalts from the central North Atlantic. GeCA, v. 42, p. 1501–1516. White, W.S. 1952. Imbrication and initial dip in a Keweenawan conglomerate bed. JSP, v. 22, p. 189–199. Whitehead, J.A., Jr., and Luther, D.S. 1975. Dynamics of laboratory diapir and plume models. JGR, v. 80, p. 705–717. Whitford, D.J., and Jezek, P.A. 1979. Origin of late-Cenozoic lavas from the Banda Arc, Indonesia: Trace element and Sr isotope evidence. CMP, v. 68, p. 141–150. _____. 1982. Isotopic constraints on the role of subducted sialic material in Indonesian island-arc magmatism. GSAB, v. 93, no. 6, p. 504–513. Whitford, D.J., and Nicholls, I.A. 1976. Potassium variations in lavas across the Sunda Arc in Java and Bali. In Johnson, R.W., ed., Volcanism in Australia. Elsevier, Amsterdam, p. 63–75. Whiting, P.J.; Dietrich, W.E.; Leopold, L.B.; Drake, T.G.; and Shreve, R.L. 1988. Bedload sheets in heterogeneous sediment. Geology, v. 16, p. 105–108. Whitney, G. 1990. Role of water in the smectite-to-illite reaction. Clays and Clay Minerals, v. 38, p. 343–350. Whitney, J.A. 1975. The effects of pressure, temperature, and XH20 on phase assemblage in four synthetic rock compositions. JG, v. 83, p. 1–31. _____. 1988. The origin of granite: The role and source of water in the evolution of granitic magmas. GSAB, v. 100, p. 1886–1897. Whitney, J.A.; Jones, L.M.; and Walker, R.L. 1976. Age and origin of the Stone Mountain Granite, Lithonia district, Georgia. GSAB, v. 87, p. 1067–1077. Whittaker, E.J.W., and Wicks, F.J. 1970. Chemical differences among the serpentine "polymorphs": A discussion. AM, v. 55, p. 1025–1047. Whitten, E.H.T. 1959. Composition trends in a granite: Modal variations and ghost stratigraphy in part of the Donegal Granite, Eire. JGR, v. 64, p. 835, 844–846. _____. 1960. Quantitative evidence of palimpsest ghost-stratigraphy from modal analysis of a granite complex. 21st Int'l Geol. Congress Rept., v. 14, p. 182–193. _____. 1961. Quantitative areal modal analysis of granitic complexes. GSAB, v. 72, p. 1331– 1360. Whittington, A.; Harris, N.; and Baker, J. 1998. Low-pressure crustal anatexis: The significance of spinel and cordierite from metapelite assemblages at Nanga Parbat, northern Pakistan. In Treloar, P.J. and O’Brien, P.J., eds. What Drives Metamorphism and Metamorphic Reactions? The Geological Society of London, Special Publication No. 138, p. 183-198. Wickham, S.M. 1987. The segregation and emplacement of granitic magmas. Jour. Geol. Soc. (London), v. 144, p. 281–297. Wickham, S.M., and Oxburgh, E.R. 1985. Continental rifts as a setting for regional metamorphism. Nature, v. 318, p. 330–333. Wicks, F.J. 1984a. Deformation histories as recorded by serpentinites: Part 1, Deformation prior to serpentinization. CM, v. 22, p. 185–195. _____. 1984b. Deformation histories as recorded by serpentinites: Part 2, Deformation during and after serpentinization. CM, v. 22, p. 197–203. _____. 1984c. Deformation histories as recorded by serpentinites: Part 3, Fracture patterns developed prior to serpentinization. CM, v. 22, p. 205–209. Wicks, F.J., and O'Hanley, D.S. 1988. Serpentine minerals: Structures and petrology. In Bailey, S.W., ed., Hydrous Phyllosilicates (Exclusive of Micas). MSA Rev. in Mineral., v. 19, p. 91–167. Wicks, F.J., and Plant, A.G. 1979. Electron-microprobe and x-ray-microbeam studies of serpentine textures. CM, v. 17, p. 785–830. Wicks, F.J., and Whittaker, E.J.W. 1975. A reappraisal of the structures of the serpentine minerals. CM, v. 13, p. 227–243. Wiebe, R.A. 1973. Relations between coexisting basaltic and granitic magmas in a composite dike. AJS, v. 273, p. 130-151. _____. 1974. Differentiation in layered diorite intrusions Inganish, Nova Scotia. JG, v. 82, p. 731–750. _____. 1987. Evidence for stratification of basic, silicic, and hybrid magmas in the Newark Island layered intrusion, Nain, Labrador. Geology, v. 15, p. 349–352. _____. 1988. Structural and magmatic evolution of a magma chamber: The Newark Island layered intrusion, Nain, Labrador. JP, v. 29, p. 383–411. _____. 1990. Evidence for unusually feldspathic liquids in the Nain Complex, Labrador. AM, v. 75, p. 1–12. _____. 1996. Mafic-silicic layered intrusions: The role of basaltic injections on magmatic processes and the evolution of silicic magma chambers. Trans. Royal Soc. Edinburgh, Earth Sciences, v. 87, p. 233-242. Wiebe, R.A., and Wild, T. 1983. Fractional crystallization and magma mixing in the Tigalak layered intrusion, the Nain Anorthosite Complex, Labrador. CMP, v. 84, p. 327–344. Wiener, R.W.; McLelland, J.M.; Isachsen, Y.W.; and Hall, L.M. 1984. Stratigraphy and structural geology of the Adirondack Mountains, New York: Review and synthesis. In Bartholomew, M.J., et al., eds., The Grenville Event in the Appalachians and Related Topics. GSA SP no. 194, p. 1–55. Wiggins, W.D., and Harris, P.M. 1984. Cementation and porosity of shoaling sequences in the subsurface Pettit Limestone, Cretaceous of east Texas. In Harris, P.M., ed., Carbonate Sands: A Core Workshop. SEPM Core Workshop no. 5, p. 263–305. Wigley, p. 1977. Facies analysis of Holocene carbonate sediments and Tertiary(?)-Pleistocene limestones on and around Barbuda, West Indies. In Frost, S.H.; Weiss, M.P.; and Saunders, J.B., eds., Reefs and Related Carbonates: Ecology and Sedimentology. AAPG Studies in Geol. no. 4, p. 299–312. Wijbrans, J.R.; van Wees, J.D.; Stephenson, R.A.; and Cloetingh, S.A.P.L. 1993. Pressuretemperature-time evolution of the high-pressure metamorphic complex of Sifnos, Greece. Geology, v. 21, p. 443-446. Wilber, R.J.; Milliman, J.D., and Halley, R.B. 1990. Accumulation of bank-top sediment on the western slope of Great Bahama Bank: Rapid progradation of a carbonate megabank. Geology, v. 18, p. 970–974. Wilcox, R.E. 1944. Rhyolite-basalt complex on Gardiner River, Yellowstone Park, Wyoming. GSAB, v. 55, p. 1047–1080. _____. 1979. The liquid line of descent and variation diagrams. In Yoder, H.S., Jr., ed., The Evolution of the Igneous Rocks: Fiftieth Anniversary Perspective. Princeton Univ. Press, Princeton, N.J., p. 205–232. Wildeman, T.R., and Haskin, L. 1965. Rare-earth elements in ocean sediments. JGR, v. 70, p. 2905–2910. Wilkinson, B.H. 1979. Biomineralization, paleoceanography, and the evolution of calcareous marine organisms. Geology, v. 7, p. 524–527. Wilkinson, B.H.; Smith, A.L.; and Lohmann, K.C. 1985. Sparry calcite marine cement in upper Jurassic limestones of southeastern Wyoming. In Schneiderman, N., and Harris, P.M., eds., Carbonate Cements. SEPM Spec. Pub. no. 36, p. 169–184. Wilkinson, J.F.G. 1974. Garnet clinopyroxenite inclusions from diatremes in the Gloucester area, New South Wales, Australia. CMP, v. 46, p. 275–299. _____. 1974. The mineralogy and petrology of alkali basaltic rocks. In Sorensen, H., ed., The Alkaline Rocks. John Wiley and Sons, London, p. 67–95. _____. 1976. Some subcalcic clinopyroxenites from Salt Lake Crater, Oahu, and their petrogenetic significance. CMP, v. 58, p. 181–201. _____. 1982. The genesis of Mid-Ocean Ridge Basalt. Earth-Science Rev., v. 18, p. 1–57. Wilkinson, M. 1989. Discussion: Evidence for surface reaction-controlled growth of carbonate concretions in shales. Sedimentology, v. 36, p. 951–953. Willard, B. 1939. The Devonian of Pennsylvania: Middle and Upper Devonian. Pennsylvania Geol. Survey, 4th Ser., Bull. no. G19. 481 p. Willemse, J. 1969. The geology of the Bushveld Igneous Complex, the largest repository of magmatic ore deposits in the world. In Wilson, H.D.B., ed., Magmatic Ore Deposits. Economic Geol. Monograph no. 4, p. 1–22. Williams, A.J. 1979. Foliation development in serpentinites, Glenrock, New South Wales. Tectonophysics, v. 58, p. 81–95. Williams, A.T., and Caldwell, N.E. 1988. Particle size and shape in pebble-beach sedimentation. Marine Geol., v. 82, p. 199–215. Williams, C.R., and Billings, M.P. 1938. Petrology and structure of the Franconia Quadrangle, New Hampshire. GSAB, v. 49, p. 1011–1044. Williams, D.L.; Hull, D.A.; Ackermann, H.D.; and Beeson, M.H. 1982. The Mt. Hood Region: Volcanic history, structure, and geothermal energy. JGR, v. 87, p. 2767–2781. Williams, G.D., and Bayliss, p. 1988. Mineralogy of the Cretaceous shales in southeastern Saskatchewan. Bull. Canadian Petrol. Geol., v. 36, p. 145–157. Williams, G.H., 1886. The peridotites of the Cortlandt series on the Hudson River near Peekskill, New York. AJS, v. 31, p. 26–41. Williams, Harold. 1975. Structural succession, nomenclature, and interpretation of transported rocks in western Newfoundland. CJES, v. 12, p. 1874–1894. Williams, Harold, and Malpas, J. 1972. Sheeted dikes and brecciated dike rocks within transported igneous complexes, Bay of Islands, western Newfoundland. CJES, v. 9, p. 1216–1229. Williams, Harold, and Max, M.D. 1980. Zonal subdivision and regional correlation in the Appalachian-Caledonian Orogen. In Wones, D.R., ed., Proceedings of "the Caledonides in the USA." Virginia Polytech. Inst. and State Univ., Dept. Geol. Sci. Memoir no. 2, p. 57–62. Williams, Harold, and Smyth, W.R. 1973. Metamorphic aureoles beneath ophiolite suites and alpine peridotites: Tectonic implications with west Newfoundland examples. AJS, v. 273, p. 594–621. Williams, Howell. 1932. Geology of the Lassen Volcanic National Park, California. Univ. of California Pub. Dept. Geol. Sci., v. 21, no. 8, p. 195–385. _____. 1935. Newberry Volcano of central Oregon. GSAB, v. 48, p. 293–304. _____. 1941. Calderas and Their Origin. Univ. California Pub. Dept. Geol. Sci., v. 25, no. 6, p. 239–346. _____. 1942. The Geology of Crater Lake National Park, Oregon with a Reconnaissance of the Cascade Range Southward to Mount Shasta. Carnegie Inst. Washington Pub. no. 540, Washington, D.C. 162 p. _____. 1950. Volcanoes of the Paricutin region Mexico. USGSB no. 965-B, p. 165–275. _____. 1963. Volcanic history of the Guatemalan highlands. Univ. California Pubs. in Geological Sciences, v. 38, no. 1, p. 1. _____. 1969. The Ancient Volcanoes of Oregon. Oregon State System of Higher Education, Eugene, Ore. 70 p. Williams, Howell, and Goles, G. 1968. Volume of the Mazama ash-fall and origin of Crater Lake Caldera. In Dole, H.M., ed., Andesite Conference Guidebook. Oregon Dept. Geol. Min. Industries Bull. no. 62. p. 37–41. Williams, Howell, and McBirney, A.R. 1979. Volcanology. Freeman, Cooper; San Francisco. 397 p. Williams, Howell; Turner, F.J.; and Gilbert, C.M. 1954. Petrography: An Introduction to the Study of Rocks in Thin Sections. W.H. Freeman, San Francisco. 406 p. _____. 1982. Petrography: An Introduction to the Study of Rocks in Thin Sections. 2nd ed. W.H. Freeman, San Francisco. 626 p. Williams, L.A., and Crerar, D.A. 1985. Silica diagenesis: Part 2, General mechanisms. JSP, v. 55, p. 312–321. Williams, L.A., and Graham, S.A., eds. 1982. Monterey Formation and Associated Coarse Clastic Rocks, Central San Joaquin Basin, California. Pacific Sec. SEPM Book 25. 95 p. Williams, LA.; Parks, G.A.; and Crerar, D.A. 1985. Silica diagenesis; Part 1, Solubility controls. JSP, v. 55, p. 301–311. Williams, M.L.; Melis, E.A.; Kopf, C.F.; and Hanmer, S. 2000. Microstructural tetonometamorphic processes and the development of gneissic layering: A mechanism for metamorphic segregation. JMG, v. 18, p. 41-57. Williams, P.F. 1990. Differentiated layering in metamorphic rocks. Earth-Science Rev., v. 29, p. 267–281. Williams, P.F.; Collins, A.R.; and Wiltshire, R.G. 1969. Cleavage and penecontemporaneous deformation structures in sedimentary rocks. JG, v. 77, p. 415–525. Williams, P.F. and Jiang, D. 1999. Rotating garnets. JMG, v. 17, p. 367-378. Williams, P.F.; Means, W.D.; and Hobbs, B.E. 1977. Development of axial-plane slaty cleavage and schistocity in experimental and natural materials. Tectonophysics, v. 42, p. 139–158. Williams, P.F., and Price, G.P. 1990. Origin of kinkbands and shear-band cleavage in shear zones: An experimental study. Jour. Structural Geol., v. 12, p. 145–164. Williams, R.T., and McSween, H.Y., Jr. 1989. Geometry of the Concord, North Carolina, intrusive complex: A synthesis of potential field modeling and petrologic data. Geology, v. 17, p. 42–45. Williams-Jones, A.E. 1981. Thermal metamorphism of siliceous limestone in the aureole of Mount Royal, Quebec. AJS, v. 281, p. 673–696. Willis, B.J., and Behrensmeyer, A.K. 1995. Fluvial systems in the Siwalik Miocene and Wyoming Paleogene. Palaeogeography, Palaeoclimatology, Palaeoecology, v. 115, p. 13-35. Willner, A.P.; Herve, F.; and Massonne, H-J. 2000. Mineral chemistry and pressuretemperature evolution of two contrasting high-pressure-low-temperature belts in the Chonos Archipelago, southern Chile. JP, v. 41, p. 309-330. Wills, L.J. 1970. The Triassic succession in the central midlands in its regional setting. Quart. Jour. Geol. Soc. (London), v. 126, p. 225–283. Wilshire, H.G. 1987, A model of mantle metasomatism. In Morris, E.M., and Pasteris, J.D., eds., Mantle Metasomatism and Alkali Magmatism. GSA SP no. 215, p. 47–60. Wilshire, H.G., and Pike, J.F.N. 1975. Upper-mantle diapirism: Evidence from analogous features in alpine peridotite and ultramafic inclusions in basalt. Geology, v. 3, p. 467– 470. Wilshire, H.G., and Shervais, J.W. 1975. Al-augite and Cr-diopside ultramafic xenoliths in basaltic rocks from western United States. Physics Chem. Earth, v. 9, p. 257–272. Wilson, C.J.L. 1973. The prograde microfabric in a deformed quartzite sequence, Mount Isa, Australia. Tectonophysics, v. 19, p. 39–81. _____. 1980. Shear zones in a pegmatite: A study of albite-mica-quartz deformation. Jour. Structural Geol., v. 2, p. 203–209. Wilson, C.J.N. and Houghton, B.F. 2000. Pyroclastic transport and deposition. In H. Sigurdsson, ed. Encyclopedia of Volcanoes. Academic Press, San Diego, p. 545-554. Wilson, D.S.; Clague, D.A.; Sleep, N.H.; and Morton, J.L. 1988. Implications of magma convection for the size and temperature of magma chambers at fast spreading ridges. JGR, v. 93, p. 11974–11984. Wilson, E.N.; Hardie, L.A.; and Phillips, O.M. 1990. Dolomitization front geometry, fluid flow patterns, and the origin of massive dolomite: The Triassic Latemar buildup, northern Italy. AJS, v. 290, p. 741–796. Wilson, F.A., and Jones, W.J. 1986. The northern Charlotte belt, North Carolina and South Carolina: A deformed composite batholith. JG, v. 21, p. 319–335. Wilson, G. 1953. Mullion and rodding structures in the Moine Series in Scotland. Proc. Geologists' Assoc., v. 64, pt. 2, p. 118–151. _____. 1982. Introduction to Small-Scale Geological Structures. George Allen and Unwin, London. 128 p. Wilson, G., and Cosgrove, J.W. 1982. Introduction to Small-Scale Geological Structures. George Allen and Unwin, London. 128 p. Wilson, H.D.B., ed. 1969. Magmatic Ore Deposits. Economic Geol. Monograph no. 4. 366 p. Wilson, J.L. 1970. Depositional facies across carbonate shelf margins. Gulf Coast Assoc. Geol. Soc. Trans., v. 20, p. 229–233. _____. 1974. Characteristics of carbonate-platform margins. AAPGB, v. 58, p. 810–824. _____. 1975. Carbonate Facies in Geologic History. Springer-Verlag, New York. 471 p. Wilson, J.L., and Jordan, C. 1983. Middle shelf environment. In Scholle, P.A., et al., eds., Carbonate Depositional Environments. AAPG Memoir no. 33, p. 297–343. Wilson, J.T. 1963. Hypothesis of Earth's behavior. Nature, v. 198, p. 925–929. Wilson, L., and Head, J.W., III. 1988. Nature of local magma storage zones and geometry of conduit systems below basaltic eruption sites: Pu'u 'O'o, Kilauea East Rift, Hawaii, example. JGR, v. 93, p. 14785–14792. Wilson, M. 1989. Igneous Petrogenesis. Unwin Hyman, London. 466 p. _____. 1993. Magmatic differentiation. Journal of the Geological Society, London, v. 150, p. 611-624. Wilson, M.D. 1970. Upper Cretaceous–Paleocene synorogenic conglomerates of southwestern Montana. AAPGB, v. 54, p. 1843–1867. Wilson, P. A., and Dickson, J.A.D. 1996. Radiaxial calcite: Alteration product of and petrographic proxy for magnesian calcite marine cement. Geology, v. 24, p. 945-948. Winchell, H. 1947. Honolulu Series, Oahu, Hawaii. GSAB, v. 58, p. 1–48. Winchester, D.E. 1923. Oil Shale of the Rocky Mountain Region. USGSB no. 729. 204 p. Winchester, J.A. 1971. Some geochemical distinctions between Moinian and Lewisian rocks, and their use in establishing the identity of supposed inliers in the Moinian. Scottish Jour. Geol., v. 7, p. 327–344. _____. 1974a. The control of the whole-rock content of CaO and Al2O3 on the occurrence of the aluminium silicate polymorphs in amphibolite facies pelites. Geological Mag., v. 111, p. 205–211. _____. 1974b. The zonal pattern of regional metamorphism in the Scottish Caledonides. Jour. Geol. Soc. (London), v. 130, p. 509–524. Winchester, J.A., and Max, M.D. 1984. Element mobility associated with syn-metamorphic shear zones near Scotchport, NW Mayo, Ireland. JMG, v. 2, p. 1–11. Windley, B.F., ed. 1976. The Early History of the Earth. John Wiley and Sons, London. 619 p. _____. 1976. New tectonic models for the evolution of Archean continents and oceans. In Windley, B.F., ed., The Early History of the Earth. John Wiley and Sons, London, p. 105–111. _____. 1977. The Evolving Continents. John Wiley and Sons, London. 385 p. Windom, H.L.; Neal, W.J.; and Beck, K.C. 1971. Mineralogy of sediments in three Georgia estuaries. JSP, v. 41, p. 497–504. Windom, K.E., and Boettcher, A.L. 1981, Phase relations for the joins Jadeite-Enstatite and Jadeite-Forsterite at 28 kb and their bearing on basalt genesis. AJS, v. 281, p. 335–351. Windom, K.E.; Seifert, K.E.; and Vallier, T.L. 1981. Igneous evolution of Hess Rise: Petrologic evidence from DSDP leg 62. JGR, v. 86, p. 6311–6322. Winkler, H.G.F. 1957. Experimentalle Gesteinsmetamorphose: Part 1, Hydrothermale Metamorphose Karbonatfreier Tone. GeCA, v. 13, p. 42–69. _____. 1965. Petrogenesis of Metamorphic Rocks. Springer-Verlag, New York. 220 p. _____. 1967. Petrogenesis of Metamorphic Rocks. Rev. 2nd ed. Springer-Verlag, New York. 237 p. _____. 1974. Petrogenesis of Metamorphic Rocks. 3rd ed. Springer-Verlag, New York. 320 p. _____. 1976. Petrogenesis of Metamorphic Rocks. 4th ed. Springer-Verlag, New York. 334 p. _____. 1979. Petrogenesis of Metamorphic Rocks. 5th ed. Springer-Verlag, New York. 348 p. Winkler, H.G.E.; Boese, M.; and Marcopoulos, T. 1975. Low temperature granitic melts. Neues Jahrb. Min. Monatsch., v. 6, p. 245–268. Winkler, H.G.E., and Breitbart, R. 1978. New aspects of granitic magmas. Neues Jahrb. Min. Monatsch., v. 10, p. 463–480. Winkler, H.G.E., and von Platen, H. 1958. Experimentelle Gesteinsmetamorphose: Part 2, Bildung von Anatektischen Granitischen Schmelzen bei der Metamorphose von NaClfuhrenden Kalkfreiem Tonen. GeCA, v. 15, p. 91–112. _____. 1960. Experimentelle Gesteinsmetamorphose: Part 3, Anatektische Ultrametamorphose Kalkhaltiger Tone. GeCA, v. 18, p. 294–316. _____. 1961a. Experimentelle Gesteinsmetamorphose: Part 4, Bildung Anatektischer Schmetzen aus Metamorphislerten Grauwacken. GeCA, v. 24, p. 48–69. _____. 1961b. Experimentelle Gesteinsmetamorphose: Part 5, Experimentelle Anatektische Schmelzen und ihre Petrogenetische Bedeutung. GeCA, v. 24, p. 250–259. Winland, H.D., and Matthews, R.K. 1974. Origin and significance of grapestone, Bahama Islands. JSP, v. 44, p. 921–927. Winspear, N.R., and Pye, K. 1995. Textural, geochemical and mineralogical evidence for the origin of Peoria loess in central and southern Nebraska, USA. 1995. Earth Surface Processes and landforms, v. 20, p. 735-745. Winterer, E.L., et al. 1971. Deep Sea Drilling Project, leg 17. Geotimes, v. 16, p. 12–14. Winterer, E.L., and Riedel, W.R. 1971. Introduction to Initial Repts. DSDP, v. 7, p. 3–8. Wintsch, R.P. 1985. The possible effects of deformation on chemical processes in metamorphic fault zones. In Thompson, S.B., and Rubie, D.C., eds., Metamorphic Reactions: Kinetics, Textures, and Deformation. Springer-Verlag, New York, p. 251–268. Wise, D.U., et al. 1984. Fault-related rocks: Suggestions for terminology. Geology, v. 12, p. 391–394. Wise, W.S. 1968. Geology of the Mount Hood Volcano. In Dole, H.M., ed., Andesite Conference Guidebook. Oregon Dept. Geol. Min. Industries Bull. no. 62, p. 81–98. _____. 1982. A volume-time framework for the evolution of Mauna Kea Volcano, Hawaii. EOS, v. 63, no. 45, p. 1137. Wiseman, J.D.H. 1934. The central and south-west Highland epidiorites: A study in progressive metamorphism. Quart. Jour. Geol. Soc. London, v. 90, p. 354–417. Withers, K.D., and Mazzulo, J. 1983 (1984). Differentiating sediments from different sources in the Gulf Basin by grain shape analysis: An example from late Pleistocene–Holocene sediments of the northwestern Gulf of Mexico continental shelf. Readings in Gulf Coast Geology, v. 5, p. 149–156. (Reprinted in Roy, E.C., Jr., ed., Holocene Sediments of the Gulf of Mexico Basin. Trans. Gulf Coast Assoc. Geol. Soc., v. 33, p. 447–454.) Witt-Eickschen, G., and Seck, H.A. 1991. Solubility of Ca and Al in orthopyroxene from spinel peridotite: An improved version of an empirical geothermometer. CMP, v. 106, p. 431– 439. Wittke, J.H., Duffield, W.A., and Jones, C. 1996. Roof-rock contamination of Taylor Creek rhyolite, New Mexico, as recorded in hornblende phenocrysts and biotite xenocrysts. American Mineralogist, v. 81, p. 135-140. Wobus, R.A., et al. 1990. Geochemistry of high-potassium rocks from the mid-Tertiary Guffey Volcanic Center, Thirty-nine Mile volcanic field, central Colorado. Geology, v. 18, p. 642–645. Wojtal, S., and Mitra, G. 1986. Strain hardening and strain softening in fault zones from foreland thrusts. GSAB, v. 97, p. 674–687. Wold, R.J.; Hutchinson, D.R.; and Johnson, T.C. 1982. Topography and surficial structure of Lake Superior bedrock as based on seismic reflection profiles. In Wold, R.J., and Hinze, W.J., eds., Geology and Tectonics of the Lake Superior Basin. GSA Memoir no. 156, p. 257–272. Wolery, T.J., and Sleep, N.H. 1976. Hydrothermal circulation and geochemical flux at midocean ridges. JG, v. 84, p. 249–275. Wolf, K.H. 1965. "Grain-diminution" of algal colonies to micrite. JSP, v. 35, p. 420–427. Wolf, K.J., and Eichelberger, J.C. 1997. Syneruptive mixing, degassing, and crystallization at Redoubt Volcano, eruption of December, 1989 to May 1990. Journal of Volcanology and Geothermal Research, v. 75, p. 19-37. Wolfbauer, C.A., and Surdam, R.C. 1974. Origin of nonmarine dolomite in Eocene Lake Gosiute, Green River Basin, Wyoming. GSAB, v. 85, p. 1733–1740. Wolff, J.A., and Storey, M. 1984. Zoning in highly alkaline magma bodies. Geological Mag., v. 121, no. 6, p. 563–575. Wolff, J.A., Heikoop, C.E., and Ellisor, R. 2000. Hybrid origin of Rio Grande rift hawaiites. Geology, v. 28, p. 203-206. Wolff, J.A. and Sumner, J.M. 2000. lava fountains and their products. In H. Sigurdsson (ed.). Encyclopedia of Volcanoes. Academic Press, San Diego, p. 321-329. Wolff, J.E. 1929. Mount Monadnock, Vermont: A syenite hill. JG, v. 37, p. 1–16. Wolman, M.G., and Miller, J.P. 1960. Magnitude and frequency of forces in geomorphic processes. JG, v. 68, p. 54–74. Wones, D.R. 1980. A comparison between granitic plutons of New England, USA, and the Sierra Nevada Batholith, California. In Wones, D.R., ed., Proceedings of "the Caledonides in the USA." Int'l. Geol. Correlation Project 27. Virginia Polytech. Inst. and State Univ., Dept. Geol. Sci. Memoir no. 2, p. 123–130. _____. 1980. Contributions of crystallography, mineralogy, and petrology to the geology of the Lucerne plutons Hancock County, Maine. AM, v. 65, p. 411–437. Wones, D.R., and Eugster, H.P. 1965. Stability of biotite: Experiment, theory, and application. AM, v. 50, p. 1228–1272. Wood, B.J. 1975. The influence of pressure, temperature and bulk composition on the appearance of garnet in orthogneisses: An example from South Harris, Scotland. EPSL, v. 26, p. 299–311. Wood, B.J., and Carmichael, I.S.E. 1973. Ptotal, PH2O and the occurrence of cummingtonite in volcanic rocks. CMP, v. 40, p. 149–158. Wood, B.J., and Walther, J.V. 1986. Fluid flow during metamorphism and its applications for fluid-rock ratios. In Walther, J.V., and Wood, B.J., eds., Fluid-Rock Interactions During Metamorphism. Springer-Verlag, New York, p. 89–108. Wood, B.L. 1971. Structure and relationships of late Mesozoic schists of NW California and SW Oregon. New Zealand Jour. Geol. Geophys., v. 14, p. 219–239. Wood, C.P. 1974. Petrogenesis of garnet-bearing rhyolites from Canterbury, New Zealand. New Zealand Jour. Geol. Geophys., v. 17, no. 4, p. 759–787. Wood, D.A., et al. 1979. Geochemistry of basalts drilled in the North Atlantic by IPOD leg 49: Implications for mantle heterogeniety. EPSL, v. 42, p. 77–97. Wood, D.S. 1974. Current views of the development of slaty cleavage. Ann. Rev. Earth Planet. Sci., v. 2, p. 369–401. Wood, D.S., and Schuster, D.C. 1978. The nature of melanges: Criteria for recognition of their origin with reference to the "type" melange in Wales. GSA Abs. with Prog., v. 12, p. 519. Wood, R. 1979a. A re-evaluation of the blueschist facies: Part 1, The pressure-temperature hysteresis cycle. Geological Mag., v. 116, p. 21–33. _____. 1979b. A re-evaluation of the blueschist facies: Part 2, The role of the mineral in metamorphism. Geological Mag., v. 116, p. 191–201. _____. 1979c. The iron-rich blueschist facies minerals: Part 1, Deerite. Min. Mag., v. 43, p. 251– 259. _____. 1980. Compositional zoning in sodic amphiboles from the blueschist facies. Min. Mag., v. 43, p. 741–752. _____. 1982. The Laytonville Quarry (Mendocino County California) exotic block: Iron-rich blueschist-facies subduction-zone metamorphism. Min. Mag., v. 45, p. 87–99. Wooden, J.L.; Goldich, S.S.; and Suhr, N.H. 1980. Origin of the Morton Gneiss, southwestern Minnesota: Part 2, Geochemistry. In Morey, G.B., and Hanson, G.N., eds., Selected Studies of Archean Gneisses and Lower Proterozoic Rocks, Southern Canadian Shield. GSA SP no. 182, p. 57–75. Woodhead, J.D. 1988. The origin of geochemical variations in Mariana lavas: A general model for petrogenesis in intra-oceanic island arcs? JP, v. 29, p. 805–830. Woodland, A.B.; Kornprobst, J.; McPherson, E.; Bodinier, J.-L.; and Mezies, M.A. 1996. Metasomatic interactions in the lithospheric mantle: Petrologic evidence from the Lherz massif, French Pyrenees. Chemical Geology, v. 134, p. 83-112. Woodrow, D.L., and Isley, A.M. 1983. Facies, topography, and sedimentary processes in the Catskill Sea (Devonian), New York and Pennsylvania. GSAB, v. 94, p. 459–470. Woodruff, L.G.; Rose, W.I., Jr.; and Rigot, W. 1979. Contrasting fractionation patterns for sequential magmas from two calc-alkaline volcanoes in Central America. JVGR, v. 6, p. 217–240. Woods, M.J. 1974. Textural and Geochemical Features of the Highwood Mountains Volcanics, Central Montana. Ph.D. diss., Univ. of Montana, Missoula. 210 p. In Dissertation Abstracts, v. 35, p. 5943B. _____. 1976. Fractionation and origin of the Highwood Mountain volcanics. Northwest Geology, v. 5, p. 1–9. Woolley, A.R. 1987. Alkaline Rocks and Carbonatites of the World: Part 1, North and South America. Univ. of Texas Press, Austin. 216 p. _____. 1989. The spatial and temporal distribution of carbonatites. In Bell, K., ed., Carbonatites: Genesis and Evolution. Unwin Hyman, London, p. 15–37. Woolley, A.R., and Kempe, D.R.C. 1989. Carbonatites: Nomenclature, average chemical compositions, and element distribution. In Bell, K., ed., Carbonatites: Genesis and Evolution. Unwin Hyman, London, p. 1–14. Woolley, A.R., Williams, C.T., Wall, F., Garcia, D., and Moute, J. 1995. The Bingo carbonatite-ijolite-nepheline syenite complex, Zaire: Geology, petrography, mineralogy and petrochemistry. Journ. African Earth Sci., v. 21, p. 329-348. Woolnough, W.G. 1937. Sedimentation in barred basins, and source rocks of petroleum. AAPGB, v. 21, p. 1101–1157. Worley, P.L.H. 1979. Sedimentology and stratigraphy of the Tule Wash area, Mohave County, Arizona. Master's thesis, Arizona State Univ. 98 p. Worley, P.L.H., and Raymond, L.A. 1978. Petrographic and structural reconnaissance of the Franciscan Complex (Dothan/Otter Point) in the Dillard Block, southwest Oregon. GSA Abs. with Programs, v. 10, p. 155. Worner, G., and Schmincke, H.-U. 1984a. Mineralogical and chemical zonation of the Laacher See Tephra Sequence (East Eifel, W. Germany). JP, v. 25, p. 805–835. _____. 1984b. Petrogenesis of the Zoned Laacher See Tephra. JP, v. 25, p. 836–851. Woronick, R.E., and Land, L.S. 1985. Late burial diagenesis, Lower Cretaceous Pearsall and lower Glen Rose formations, south Texas. In Schneiderman, N., and Harris, P.M., eds., Carbonate Cements. SEPM Spec. Pub. no. 36, p. 265–276. Worrall, D.M. 1981. Imbricate low-angle faulting in uppermost Franciscan rocks, South Yolla Bolly area, northern California. GSAB, v. 92, p. 703–729. Worst, B.G. 1958. The differentiation and structure of the Great Dyke of Southern Rhodesia. Geol. Soc. South Africa, Trans. and Proc., v. 61, p. 283–354. Wray, J.L. 1971. Calcification and morphology. In Geology of Calcareous Algae: Sedimenta I. Rosentiel School Marine and Atmos. Sciences, Miami, p. 2.1–2.8. Wright, I.C., Parson, L.M., and Gamble, J.A. 1996. Evolution and interaction of migrating cross-arc volcanism and backarc rifting: An example from the southern Havre Trough. JGR, v. 101, p. 22,071-22,086. Wright, J.E., and Haxel, G. 1982. A garnet-two-mica granite, Coyote Mountains, southern Arizona: Geologic setting, uranium-lead isotopic systematics of zircon, and nature of the granite source region. GSAB, v. 93, p. 1176-1188. Wright, J.E., and Snoke, A.W. 1993. Tertiary magmatism and mylonitization in the Ruby-East Humboldt metamorphic core complex, northeastern Nevada: U-Pb geochronology ad Sr, Nd, and Pb isotope geochemistry. GSAB, v. 105, p. 935-952. Wright, J.E., and Wooden, J.L. 1991. New Sr, Nd, and Pb isotopic data from plutons in the northern Great Basin: Implications for crustal structure and granite petrogenesis in the hinterland of the Sevier thrust belt. Geology, v. 19, p. 457–460. Wright, T.L. 1971. Chemistry of Kilauea and Mauna Loa Lava in Space and Time. USGS PP no. 735. 40 p. _____. 1974. Presentation and interpretation of chemical data for igneous rocks. CMP, v. 48, p. 233–248. _____. 1984. Origin of basalt plateaus, with emphasis on flood basalt. In Easton, R.M., and Easton, M.G., eds., Growth and Evolution of Volcanic Edifices. Geological Assoc. Canada, Short Course Notes, v. 4, p. 44–60. _____. 1984. Origin of Hawaiian tholeiite: A metasomatic model. JGR, v. 89, p. 3233–3252. Wright, T.L., and Fiske, R.S. 1971. Origin of the differentiated and hybrid lavas of Kilauea Volcano, Hawaii. JP, v. 12, p. 1–65. Wright, T.L.; Grolier, M.J.; and Swanson, D.A. 1973. Chemical variation related to the stratigraphy of the Columbia River Basalt. GSAB, v. 84, p. 371–386. Wright, T.L., and Helz, R.T. 1987. Recent advances in Hawaiian petrology and geochemistry. In Decker, R.W.; Wright, T.L.; and Stauffer, P.H., eds., Volcanism in Hawaii, vol. 1. USGS PP no. 1350, p. 625–640. _____. 1996. Differentiation and magma mixing on Kilauea’s east rift zone: A further look at the eruptions of 1955 and 1960. Part II. The 1960 lavas. Bull. Volcanol., v. 57, p. 602630. Wright, T.L., and Peck, D.L. 1978. Crystallization and Differentiation of the Alae Magma, Alae Lava Lake, Hawaii. USGS PP no. 935-C. 20 p. Wright, T.L.; Swanson, D.A.; and Duffield, W.A. 1975. Chemical composition of Kilauea eastrift lava, 1968–1971. JP, v. 16, p. 110–133. Wright, V.P. 1984. Peritidal carbonate facies models: A review. Geological Jour., v. 19, p. 309– 325. Wunder, B., and Schreyer, W. 1997. Antigorite: High-pressure stability in the system MgOSiO2-H2O) (MSH). Lithos, v. 41, p. 213-227. Wylie, J.J., Voight, B., and Whitehead, J.A. 1999. Instability of magma flow from volatiledependent viscosity. Science, v. 285, p. 1883-1885. Wyllie, P.J. 1963. Effects of the changes in slope occurring on liquidus and solidus paths in the system diopside-anorthite-albite. In Fisher, D.J., et al., eds., Int'l Mineralogical Assoc. Papers and Proceedings of the 3rd General Meeting. MSA Spec. Paper no. 1, p. 204– 212. _____. 1964. The effect of "impure" pore fluids on metamorphic dissociation reactions. Min. Mag., v. 33, p. 9–25. _____. 1965. Melting relationships in the system CaO-MgO-CO2-H20, with petrological applications. JP, v. 6, p. 101–123. _____. 1966. Experimental studies of carbonatite problems: The origin and differentiation of carbonatite magmas. In Tuttle, O.F., and Gittins, J., eds., Carbonatites. WileyInterscience, New York, p. 311–352. _____. 1967a. Petrography and petrology. In Wyllie, P.J., ed., Ultramafic and Related Rocks. John Wiley and Sons, New York, p. 1–7. _____, ed. 1967b. Ultramafic and Related Rocks. John Wiley and Sons, New York. 464 p. _____. 1967c. Ultramafic and ultrabasic rocks: Introduction—A. Nomenclature and petrography. In Wyllie, P.J., ed., Ultramafic and Related Rocks. John Wiley and Sons, New York, p. 1–3. _____. 1969a. The origin of ultramafic and ultrabasic rocks. Tetonophyiscs, v. 7, p. 437–455. _____. 1969b. The ultramafic belts. In Hart, P.J., ed., The Earth's Crust and Upper Mantle. AGU Geophys. Monograph no. 13, p. 480–483. _____. 1971a. The Dynamic Earth: Textbook in Geosciences. John Wiley and Sons, New York. 416 p. _____. 1971b. Experimental limits for conditions for melting in the Earth's crust and upper mantle. In Heacock, V.G., ed., The Structure and Physical Properties of the Earth's Crust. AGU Geophys. Monograph no. 14, p. 279–302. _____. 1971c. Role of water in magma generation and initiation of diapiric uprise in the mantle. JGR, v. 76, p. 1328–1338. _____. 1973. Experimental petrology and global tectonics: A preview. Tectonophysics, v. 17, p. 189–209. _____. 1974. Limestone assimilation. In Sorensen, H., ed., The Alkaline Rocks. John Wiley and Sons, London, p. 459–474. _____. 1977. Crustal anatexis: An experimental review. Tectonophysics, v. 43, p. 41–71. _____. 1978a. Mantle fluid compositions buffered in peridotite-CO2-H20 by carbonates, amphibole, and phlogopite. JG, v. 86, p. 687–713. _____. 1978b. Water and magma generation at subduction zones. Bull. Volcanologique, v. 41-4, p. 360–377. _____. 1979. Magmas and volatile components. AM, v. 64, p. 469–500. _____. 1980. The origin of kimberlite. JGR, v. 85, p. 6902–6910. _____. 1982. Subduction products according to experimental prediction. GSAB, v. 93, p. 468– 476. _____. 1983a. Experimental and thermal constraints on deep-seated parentage of some granitoid magmas in subduction zones. In Atherton, M.P., and Gribble, C.D., eds., Migmatites, Melting and Metamorphism. Shiva Publ., Kent, U.K., p. 37–51. _____. 1983b. Experimental studies on biotite- and muscovite-granites and some crustal magmatic sources. In Atherton, M.P., and Gribble, C.D., eds., Migmatites, Melting and Metamorphism. Shiva Publ., Kent, U.K., p. 12–26. _____. 1984. Sources of granitoid magmas at convergent plate boundaries. Phys. Earth Planet. Interiors, v. 35, p. 12–18. _____. 1988. Solidus curves, mantle plumes, and magma generation beneath Hawaii. JGR, v. 93, p. 4171–4181. _____. 1989. Origin of carbonatites: Evidence from phase equilibrium studies. In Bell, K., ed., Carbonatite: Genesis and Evolution. Unwin Hyman, London, p. 500–545. Wyllie, P.J.; Baker, M.B.; and White, B.S. 1990. Experimental boundaries for the origin and evolution of carbonites. Lithos, v. 26, p. 3–19. Wyllie, P.J., and Tuttle, O.F. 1960. The system CaO-CO2-H2O and the origin of carbonatites. JP, v. 1, p. 1–46. _____. 1961. Hydrothermal melting of shales. Geological Mag., v. 98, p. 56–66. Wyllie, P.J.; Wuu-Liang H.; Stern, C.; and Maaloe, S. 1976. Granitic magmas: Possible and impossible sources, water contents, and crystallization sequences. CJES, v. 13, p. 1007– 1019. Wynne-Edwards, H.R., and Hay, P.W. 1963. Coexisting cordierite and garnet in regionally metamorphosed rocks from the Westport area, Ontario. CM, v. 7, p. 453–478.