!Meteorite Impact References-by Location-USA-Alabama through Mississippi
!USA-Alabama-Wetumpka
*lat: 32 deg. 32 min. N, lonh: 86 deg. 14 min. W
*diameter: 6.5 km
*age: 100 mya
*Bentley, R.D., Neathery, T.L., and Lines, G.C., 1970, A probable impact-type structure
near Wetumpka, Alabama (abstr.): EOS (Trans. AGU), v.51, p.342.
!USA-Alaska-Avak Structure
*Therriault, A.M., and Grantz, A., 1995, Planar deformation features in quartzx grains
from mixed breccia of the Avak structure, Alaska (abstr.): Abstracts of papers submitted
to the 26th Lunar and Planetary Science Conference, part 3, p. 1403-1404.
!USA-Alaska-Sithylemenkat Lake
*lat: 66 deg. 7 min. N, long: 151 deg. 23 min. W
*diameter: 12.4 km
*age: less than 10,000 years
!USA-Arizona-Chinle
*Shoemaker, E.M., 1995, Impact crater identified on the Navajo Nation near Chinle,
Arizona (abstr.): Meteoritics and Planetary Science, 58th annual meeting, Meteoritical
Society, abstract issue, D.W. Sears, ed., v.30, n.5, Sept. 1995, p. 578-579.
!USA-Idaho-Beaverhead
*Carr, J., Link, P.K., Geslin, J.K., Mc Cafferty, A., and Hargraves, R.B., 1996,
Sedimentary breccia deposited within Eocambrian (?) Beaverhead impact crater, Lost
River Range, Idaho (abstr.): GSA, 28th annual meeting, v.28, n.7, p. 230.
!USA-Colorado-Saquaches County-San Louis Maria Boca Grant
*lat: 37.9 deg. N, long: 105.6 deg. W
*diameter: 400 ft
!USDA-Illinois-Des Plaines
*lat: 42 deg. 2 min.N, long: 87 deg. 56 min. W
*diameter: 8 km
*age: less than 300 mya
*Emrich, G.H., and Bergstrom, R.E., 1959, Intense faulting at Des Plaines, northeastern
Illinois: GSA Bull., v.70, p. 1596.
!USA-Illinois-Glassford
*lat: 40 deg. 22 min. N, 89 deg. 48 min. W
*diameter: 5 km
*age: 440 mya
*Buschbach, T.C., and Ryan, R., 1962, Glassford (Illinois) cryptoexplosion structure:
GSA, Spec. Paper 73, p. 126.
*Buschback, T.C., and Ryan, R., 1963 (1967?), Ordovician explosion structure at
Glassford, Illinois: Am. Assoc. Petro. Geol. Bull., v.47, n.12, p. 2015-2022
*Dietz, R.S., 1963, Cryptoexplosion structures-a discussion: Am. Jour. Sci., v.261, p.
650-664.
!USA-Indiana-Kentland
*lat: 40 deg. 45 min. N, long: 87 deg. 24 min. W
*diameter: 13 km
*age: 300 mya
*Beales, C.S., Innes, M.J.S., and Rottenberg, J.A., 1960, The search for fossil meteorite
craters-II: Current Science, n.6, p.250-261.
*Cohen, A.J., Bunch, T.E., and Reid, 1961, Coesite discoveries establish cryptovolcanics
as fossil meteorite craters: Science, v.134, p. 1624-1625.
*Collet, J., 1883, Geological survey of Newton County: Ind. Dept Geol. and Nat. Hist.,
12th Ann. Report, p.58-59.
*Dietz, R.S., 1947, Meteorite impact suggested by orientaion of shatter cones at the
Kentland, Indiana, disturbance: Science, v.105, n.2714, p. 42-43.
*Dietz, R.S., 1960, Meteorite impact suggested by shatter cones in rock: Science, v.131,
n.3416, p. 1781-1784.
*Dietz, R.S., 1963, Cryptoexplosion structures-a discussion: Am. Jour. Sci., v.261, p.
650-664.
*Gutschick, R.C., 1976, Geology of the Kentland structural anomaly, northwestern
Indiana: Guidebook for 1976, North-Central GSA Meeting, 59 p.
*Laney, R.T., and Van Schmus, W.R., 1978, A structural study of the Kentland, Indiana
impact site: in- Lunar and Planetary Science, vol.IX, p.627-62, Lunar andPlanetary
Institute, Houston Texas.
*Schrock, R.R., and Malott, C.A., 1933, The Kentland area of disturbed Ordovician rocks
in northwestern Indiana: Jour. Geol., v.41, n.4,p. 337-370.
*Tudor, D.S., 1971, A geophysical study of the Kentland disturbed area: Ph.D. diss.,
Bloomington, Indiana Univ., 111 p.
!USA-Iowa-Manson
*lat: 42 deg. 35 min. N, long: 94 deg. 31 min. W
*diameter: 32 km
*age: less than 70 mya
*Anderson, R.R., and Hartung, J.B., 1992, The Manson impact structure- its contribution
to impact materials observed at the Cretaceous-Tertiary boundary: Lunar and Planetary
Science Proceedingsa, v.22, p. 101-110.
*Dietz, R.S., 1963, Cryptoexplosion structures-a discussion: Am. Jour. Sci., v.261, p.
650-664.
*Dryden, J.E., 1955,, A study of a well core from crystalline rocks near Manson, Iowa:
M.S. thesis, State University of Iowa.
*Hale, W.E., 1955, Geology and ground-water resources of Webster County, Iowa: Iowa
Geol. survey Water-Supply Bull. 4.
*Hartung, J.B., Kunk, M.J., and Anderson, R.R., 1990, Geology, geophysics and
geochronology of the Manson impact structure: in- Sharpton, V.L., and weard, P.D., eds.,
Global catasrophes in Earth history, GSA Spec. Paper 247, p. 207-221.
*Hoppin, R.A., and Dryden, J.E., 1958, An unusual occurrence of Precambrian
crystalline rocks beneath glacial drift near Manson, Iowa: Jour. Geol., v.66, p. 694-699.
*Izett, G.A., 1990, Mineralogic data indicate the K-T boundary impact occurred on
continental crust probably near Manson, Iowa (abstr.): Abstracts with Programs-GSA, inGSA, 1990 annual meeting, v.22, n.7, p. 280.
*Koeberl, C., and Hartung, J.B., 1992, Geochemistry of Manson impact structure rockstarget rocks, impact glasses, and microbreccias: Lunar and planetary Science Proc., v.22,
p. 111-126.
*Kunk, M.J., 1990, Ar-40/Ar-39 age spectra of shocked microcline from the central uplift
of the Manson impact structure support a link with the K-T boundary (abstr,): AbstractsGeol. Soc. of Australia, in- Seventh international conference on geochronology,
cosmochronology, and isotope geology, W. Compton, ed., v.27, p.57.
*Roddy, D.J., Shoemaker, E.M., and Anderson, R.R., 1995, Manson impact structure
researxchj program- summary through January 1995 (abstr.): Abstracts of papers
submitted to the 26th Lunar and Planetary Science Conference, part 3, p. 1181-1182.
*Smith, T.A., 1971, Geophysical study of the Manson impact crater (abstr.): EOS (Trans
AGU), v.52, n.4, p. 264-265.
*Steiner, M.B., and Shoemaker, E.M., 1994, The Late Cretaceous Manson impact
structure (abstr.): EOS (Trans. AGU), AGU 1994 spring meeting, v.75, n.16, Suppl. April
19, 1994, p. 123.
!USA-Kansas-Haviland
*lat: 37 deg. 37 min. N, long: 99 deg., 5 min. W
*diameter: 11 m
*Peck, E., 1979, Fate of a Kansas meteorite crater: Sky and Telescope, v.58, Aug., p.126128.
!USA-Kansas-Riley County-Winkler
*diameter: 800 m
!USA-Kentucky-Jeptha Knob
*lat: 38 deg. 11 min. N, long: 85 deg. 7 min. W
*diameter: 3.2 km
*age: end of Ordovician, beginning of Silurian
*note: lacks shatter cones, concentric and radial fractures, central uplift, brecciated,
annular basin
*Bucher, W.H., 1925, Geology of Jeptha Knob: Kentucky Geol. Survey, Ser.6, v.21, p.
193-237.
*Beales, C.S., Innes, M.J.S., and Rottenberg, J.A., 1960, The search for fossil meteorite
craters-II: Current Science, n.6, p.250-261.
*Cressman, E.P., 1981, Geologic mapping of Kentucky- a history and evaluation of the
Kentucky Geological Survey-USGS mapping program, 1960-1978: USGS Circular 801,
22 p.
*Cressman, E.R., 1981, Surface geology of the Jeptha Knob cryptoexplosion structure,
Shelby County, Kentucky: USGS Prof. Paper 1151-B, 16 p.
*Dietz, R.S., 1966, Shatter cones at Middlesboro structure, Kentucky: Meteoritics, v.3,
n.1, May, p. 27-29.
*Dietz, R.S., 1960, Meteorite impact suggested by shatter cones in rock: Science, v.131,
p.1781-1784.
*Mc Dowell, R.C., 1986, The geology of Kentucky- a text to accompany the geologic
map of Kentucky: USGS Prof. Paper 1151-H, p. H1-H76.
!USA-Kentucky-Middlesboro
*lat: 36 deg. 37 min. N., long: 83 deg. 44 min., W
*diameter: 6 km
*age: 300 mya
*Englund, K.J., and Roen, J.B., 1963, Origin of the Middlesboro basin, Kentucky: USGS
Prof. Paper 450-E, p. Es0-E22.
*Englund, K.J., 1964, Geology of the Middlesboro South Quadrangle, TennesseeKentucky-Virginia: USGS Map GQ-301.
*Dietz, R.S., 1966, Shatter cones at Middlesboro structure, Kentucky: Meteoritics, v.3,
n.1, May, p. 27-29.
*Mc Dowell, R.C., 1986, The geology of Kentucky- a text to accompany the geologic
map of Kentucky: USGS Prof. Paper 1151-H, p. H1-H76.
*Seeger, C.R., 1970, Geophysical investigations of the Versailles cryptoexplosion
structure and Middlesboro basin cryptoexplosion structure, Kentucky (abstr.): EOS
(Trans. AGU), v.51, n.4, p. 342.
!USA-Kentucky-Muldraugh Dome
*diameter 3 km
*has central uplift of 400 ft., brecciated
*Cressman, E.R., 1981, Geologic mapping of Kentucky, a history and evaluation of the
Kentucky Geological Survey-USGS mapping program, 1960-1978: USGS Circular 801,
22 p.
*Mc Dowell, R.C., 1986, The geology of Kentucky- a text to accompany the Geologic
Map of Kentucky: USGS Prof. Paper 1151-H, P. H1-H76.
*Withington, C.F., and Sable, E.G., 1969, Geologic map of the Rock Haven quadrangle,
Kentucky-Indiana and part of the Laconia quadrangle, Kentucky: USGS Geol. Quad Map
GQ-780.
!USA-Kentucky-Versailles (Lexington?)
*lat: 38 deg. 2 min. N, long: 84 deg. 45 min. W
*diameter: 1.5 km
*age: greater than 450 mya
*note: concentric faults
*Black, D.F.B., 1964, Cryptoexplosive structure near Versailles, Kentucky: USGS Prof.
Paper 501-B, p. B9-B12.
*Dietz, R.S., 1966, Shatter cones at Middlesboro structure, Kentucky: Meteoritics, v.3,
n.1, May, p. 27-29.
*Mc Dowell, R.C., 1986, The geology of Kentucky- a text to accompany the geologic
map of Kentucky: USGS Prof. Paper 1151-H, p. H1-H76.
*Seeger, C.R., 1970, Geophysical investigations of the Versailles cryptoexplosion
structure and Middlesboro basin cryptoexplosion structure, Kentucky (abstr.): EOS
(Trans. AGU), v.51, n.4, p. 342.
!USA-Michigan-Calvin 28
*1.4 km southwest of Calvin Center
*diameter: 4.5 miles
*age: early Silurian
*note: central uplift is about 1800 feet and 2 miles in diameter, annular depression,
encircling anticlinal rim, rebound reactivation, covered by 300 to 400 feet of glacial
gravel.
*De Haas, R.J., 1983, The Calvin 28 oil field cryptoexplosive strucure: abstract from oral
presentation to Michigan Basin Geological Socierty, 1983, Lansing, Michigan.
*Ghatge, S.L., 1984, A geophysical investigation of a possible astrobleme in
southwestern Michigan: M.S. thesis, Western Michigan University, Kalamazoo, 41 p.
*Michigan Geological Survey, 1971, Calvin 28: Michigan Geol Survey Report 14-1971.
*Milstein, R.L., 1986, Impact origin of theCalvin 28 cryptoexplosive disturbance, Cass
County, Michigan: M.S. thesis, University of N. Colorado, Greeley, 87 p.
*Milstein, R.L., 1987, The Calvin 28 cryptoexplosive disturbance, Cass County,
Michigan: GSA Centennial field guide-North Central Section, p. 315-320.
*Milstein, R.L., 1988, The Calvin 28 structure- evidence for impact origin: Canadian
Journal of Earth Sciences, v.25, p. 1524-1530.
!USA-Michigan-Lake Huron
*Forsyth, D.A., Pilkington, M., Grieve, R.A.F., and Abbinett, D., 1990, Major circular
structures beneath southern Lake Huron defined from potential field data: Geology, v.18,
p. 773-777.
!USA-Michigan-Limestone Mountain
*Case, E.C., and Robinson, W.I., 1914, The geology of Limestone Mountain and
Sherman Hill in Houghton County, Michigan: Mich. Geological and Biological Survey
Publication 18, Geologic Series 15, p. 167-181.
*Hoehl, E.J., 1981, Geophysical investigation of the Limestone Mountain area of Baraga
and Houghton Counties, Michigan: M.S. thesis, Michigan Technological University,
Houghton, 141 p.
*Lane, A.C., 1911, Globe and challenge explorations, Limestone Mountain: Mich.
Geological and Biological Survey Publication 6, Geologic Series 4, v.2, p. 523-524.
*Read, W.F., 1970, Is the Limestone Mountain structure an astrobleme? (abstr.):
Abstracts from th 16th Annual Institute on Lake Superior Geology, Thunder Bay,
Ontario, Lakeland University, p. 36.
!USA-Mississippi-Kilmichael
*lat: 33 deg. 30 min. N, long: 89 deg. 33 min. W
*diameter: 13 km