ALISON M. SHAW Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543 Phone: (508) 289-3775, e-mail: ashaw@whoi.edu Academic history: 2005 - present Woods Hole Oceanographic Institution, Woods Hole, MA Assistant Scientist Carnegie Institution of Washington, Washington, DC Post-doctoral Researcher with Dr. Erik Hauri Scripps Institution of Oceanography, UCSD, La Jolla, CA Ph.D. in Earth Sciences/Oceanography with Dr. David Hilton McGill University, Montreal, Canada B.Sc. in Environmental Geosciences 2003 - 2005 1997 - 2003 1992 - 1996 Research interests: 1) Arc settings – evaluating volatile budgets and estimating absolute fluxes of various volatile species (Central America, the Northern Mariana Islands and the Izu Islands) 2) Back-arc basins – assessing the relative contributions of slab, crust, hotspot and upper mantle components to the magma source (the Manus Basin) 3) Submarine volcanic systems – using hydrothermal fluids and basaltic glasses to understand the degassing process as well as determine the provenance of different magmas (the Manus Basin, the Reykjanes Ridge, Pitcairn seamounts, Loihi Seamount, the Alarcon Basin, Mariana crosschain seamounts) 4) Volatile fluxes – estimating volcanic emissions using remote sensing and geochemical techniques 5) Magmatic degassing – evaluating the effects of composition, water content and eruption depth Previous research experience and field-based studies: 10/06 10/05 2003 - 2005 03/03 01/02 01/01 10/98 - 11/98 Kamchatka Peninsula NAI-funded expedition to Klyuchevsky and Mutnovsky volcanoes to study gas emissions - http://nai.arc.nasa.gov/kamchatka Southern Seamount Province of the Mariana arc: Sea-based expedition in collaboration with JAMSTEC, U. of Texas at Dallas, Caltech, and NOAA. Collection of rock and fluid samples using JAMSTEC’s remotely operated vehicle. Northern Mariana and Izu Islands: Margins-funded studies of volatile fluxes in collaboration with SIO, UNM, Boston University, the University of Tokyo and the Geological Survey of Japan. Gas sampling, remote sensing and volcanic tephra sampling for melt inclusion studies - http://scripps.ucsd.edu/japan and http://sio.ucsd.edu/marianas Guatemala, Nicaragua and Costa Rica: Measurement of gas fluxes from active volcanoes using remote sensing techniques (COSPEC) Nicaragua: Collection of volatiles from fumaroles, hot springs, geothermal wells and thermal waters in volcanically active regions of Nicaragua Costa Rica: Field expedition to Costa Rican volcanoes. Volatile studies of active volcanoes along the Costa Rica segment of the arc see www.sio.ucsd.edu/volcano Alarcon Rise, Gulf of California: SIO cruise to the Gulf of California - dredging of basaltic glass from the Alarcon Rise - a young spreading centre 10/98 12/97 - 01/98 05/97 - 09/97 05/96 - 09/96 05/95 - 09/95 Loihi Seamount, Hawaii Collection of hydrothermal vent fluids to look at the temporal variation of CO2/3He ratios in collaboration with the University of Hawaii Middle America Trench Seafloor mapping of oceanic crust adjacent to the Middle America trench using multi-beam sonar to investigate outer rise faulting Hearne Hill Property, British Columbia Field-based grass roots exploration of a copper-gold porphyry deposit by regional and detailed mapping, drilling, and chemical sampling as a field geologist with Booker Gold. Timmins, Ontario Field-based gold exploration in Archean volcanics by means of drilling and core logging as a exploration Field Geologist, Echo Bay Mines, St. Raymond, Québec Groundwater quality and reservoir assessment studies involving surficial geology mapping and till sampling of Quaternary glacial and marine deposits Analytical skills: 1) 2) 3) 4) 5) 6) Noble gas extraction lines and mass spectrometers (VG5400, MAP-215, quadrupole) Construction and testing of an all-metal inlet line for a MAP-215 noble gas mass spectrometer Devising new analytical protocols for processing hydrothermal and geothermal fluids Development and calibration of a glass extraction line for processing and purifying CO2 samples Stable isotope mass spectrometry (VG prism) for measuring D/H and carbon isotopes Secondary ion mass spectrometry (Cameca 6F) for measuring volatile abundances and isotopes Teaching and lecturing experience: 09/06 - 12/06 03/03 - 06/03 10/02 09/01 - 12/01 03/01 - 06/01 04/00 - 06/00 09/99 - 12/99 01/99 - 03/99 03/98 - 06/98 01/98 - 03/98 Seminar in Geology and Geophysics (WHOI) Earth Science (ES) 50 Environmental Perils (Prof. J. Sclater) ES 30 The Oceans ES 101 Introduction to Geology (Profs. J. Gee and J. Severinghaus) ES 50 Environmental Perils (Profs. J. Sclater, K. Brown and D. Hilton) ES 152 Introduction to Petrology (Profs. J. Hawkins, J. Winterer and P. Castillo) ES 101 Introduction to Geology (Profs. D. Blackman and J. Gee) ES 102 Introduction to Geochemistry (Profs. J. Bada and M. Kastner) ES 50 Environmental Perils (Profs. J. Sclater, K. Brown and D. Hilton) ES 120 Introduction to Mineralogy (Dr. C. Macpherson) Invited Talks: Princeton University (April 2003), University of Maryland (Oct. 2004), Geological Society of Washington (Oct. 2004), Woods Hole Oceanographic Institution (Nov. 2004), McGill University (Feb. 2005), University of Tokyo (Aug. 2005), Department of Terrestrial Magnetism (Dec. 2005), and JAMSTEC (Dec. 2006). Peer-reviewed publications: E.H. Hauri, A.M. Shaw, J. Wang, J.E Dixon, P.L. King, and C.W. Mandeville, Matrix effects in hydrogen isotope analysis of silicate glasses by SIMS, Chem. Geol. in press T.P. Fischer, A.M. Shaw and D.R. Hilton, Gas geochemistry of volcanic and hydrothermal fluids of Central America. In: G. Alvarado (Editor), Central America: Geology, Resources and Hazards, in press. A.M. Shaw, D.R. Hilton, T.P. Fisher, J.A. Walker, and G.A.M. de Leeuw Helium isotope variations in mineral separates from Costa Rica and Nicaragua: Assessing crustal contributions, time-scale variations and diffusion-related mechanisms, Chem. Geol., 230 (2006) 124-193. A.M. Shaw, D.R. Hilton, C.G. Macpherson, and J.M. Sinton, The C-He-Ar systematics of lavas from the Manus back-arc basin: resolving degassing and contamination Geochim. Cosmochim. Acta 68 (2004) 1837-1856. A.M. Shaw, D.R. Hilton, T.P. Fischer, J.A. Walker and G. Alvarado, Helium and carbon relationships in geothermal fluids from the Central American arc in Costa Rica Earth Planet. Sci. Lett. 214 (2003) 499-513. P.R. Castillo, J.W. Hawkins, P.F. Lonsdale, D.R. Hilton, A.M. Shaw, and M. Glascock Petrology of Alarcon Basin lavas, Gulf of California: Nascent intracontinental ocean crust, J. Geophys. Res. 107 (2002) B10, 2222. T.P. Fischer, D.R. Hilton, M.M. Zimmer, A.M. Shaw, Z.D. Sharp, and J. Walker, Subduction and recycling of nitrogen along the Central American Margin, Science 297 (2002) 1154-1157. A.M. Shaw, D.R. Hilton, C.G. Macpherson, and J.M. Sinton, Nucleogenic neon in high 3He/4He lavas from the Manus back-arc basin: a new perspective on He-Ne decoupling, Earth Planet. Sci. Lett. 194 (2001) 53-66. Publications in review and in preparation: Ray, M.C, Hilton, D.R., Munoz, J., Fischer, T.P. and A.M. Shaw Assessing the effects of degassing and crustal contamination on the helium and carbon chemistry of hydrothermal fluids: insights from the Southern Volcanic Zone of Chile, in review A.M. Shaw, E.H. Hauri, K. Kelley, T.P. Fischer, D.R. Hilton and T. Plank, The hydrogen isotopic composition of subduction zone water, in prep. A.M. Shaw, E.H. Hauri, T.P. Fischer, D.R. Hilton, R. Stern and T. Plank, Mariana arc fluid budgets: new insights from melt inclusions, in prep. A.M. Shaw, E.H. Hauri, D.R. Hilton, C.G. Macpherson, and J.M. Sinton Tracing ancient recycled water in the Manus plume, in prep. Abstracts and other publications: Shaw, A.M., Hauri, E, Tamura, Y, Ishizuka, O., Stern, R, Embley, R. (2006) Volatile Contents of NW Rota Melt Inclusions: Insight to Explosive Submarine Arc Volcanism Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract V52B-05 Shaw, A.M., Hauri, E.H. Hilton, D.R., Macpherson, C.G., and J.M. Sinton H isotopes of Manus Basin glasses: a unique perspective on mantle plumes and recycling processes Goldschmidt conference 2006, Melbourne, Australia. Hilton, D.R., Fischer, T.P., Hauri, E.H. and A.M. Shaw. Controls on the He-C systematics of the IzuBonin-Marianas (IBM) subduction zone Goldschmidt conference 2006, Melbourne, Australia. Shaw, A.M., Hauri, E.H., Fischer, T.P. and D.R. Hilton Evaluating the extent of C cycling through a cold subduction zone: new clues from Izu-Bonin melt inclusions Eos Trans. AGU, 87(36), Jt. Assem. Suppl., Abstract V34A-05 Stern, R.J., P. Fryer, S. Klemperer, T. Plank, N. Takahashi, D. Wiens, A. Shaw. Perspectives on the Andean arc from the Izu-Bonin-Mariana arc system in the Western Pacific. Backbone of the Americas meeting - Patagonia to Alaska, Abstract 2006. Fischer, Hilton, Shaw, Hauri, Kazahaya, Mitchell, Shimizu, de Moor. Tracing slab inputs along the IzuBonin-Marianas subduction zone: results from volatile emissions (2005) Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T44A-08 Hauri, E.H., Gaetani, G. A., Shaw, A.M., Kelley, K., Saal, A.E. The Ins and Outs of Water in the Earth’s Mantle, (2005) Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract V22A-04 A.M. Shaw, E.H. Hauri, D.R. Hilton, T.P. Fischer, R. J. Stern, J. Wade and T. Plank Insights into arc fluid budgets from Mariana melt inclusions, Abstract submitted to: Goldschmidt Conference, June 2004. Hilton, D.R., Fischer, T.P., Shaw, A.M., De Leeuw, G.A.M. and Walker, J.A The CO2-He isotope and relative abundance systematics of the Central American arc Penrose Meeting, Mexico 2004. Fischer, T.P., Hilton, D.R., Elkins, L., Shaw, A.M. , Zimmer, M., Takahata, N., Sano, Y. Central America arc volatiles: Along- and across- arc variations Abstract submitted to: Goldschmidt Conference, May 2005 A630. Shaw, A.M., Hilton, D., Fischer, T. and Walker, J. Helium variations in mineral separates from Cerro Negro, Nicaragua: Assessing short time-scale variations. EOS Trans. AGU 84 F1545, 2003. G.A.M. de Leeuw, D.R. Hilton, A.M. Shaw, B.J. Murton, R.N. Taylor, Testing binary mixing models for lavas erupted along the Reykjanes Ridge: insights from C-He relationships, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract V52A-1274, 2002 L. Elkins, D.R. Hilton, T.P. Fischer, A. Shaw, W. Strauch, Z. Sharp, Sediment Underplating Beneath Central America: Insights From N-He, δ15N Systematics of Volatile Discharges in Nicaragua Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract V21B-1209, 2002 A.M. Shaw, D.R. Hilton, T.P. Fischer, J. Walker, Unravelling the C systematics of the Central American volcanic output. Abstract submitted to: Twelfth Annual V.M. Goldschmidt Conference, August 2002. T.P. Fischer, Hilton, D.R., Shaw, A.M., Zimmer, M.M. and Sharp, Z.D. A subduction zone barrier for sediment-derived nitrogen. Geochim. Cosmochim. Acta. 66 p A235, 2002. T.P. Fischer, M.M. Zimmer, D.R. Hilton, A.M. Shaw, B. I. Cameron, J. A. Walker and E. Molina The relationship between the signature of subducted sediments in volcanic gases and volatile flux along the Central American Volcanic Arc. Eos Trans. AGU, Spring Meet. Suppl., Abstract V52A09, 2002. A.M. Shaw, D.R. Hilton, T.P. Fischer, M.M. Zimmer, G. Alvarado, Helium and carbon relationships in geothermal fluids from the Central American arc in Costa Rica, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract V21C-0993, 2001 D.R. Hilton, A.M. Shaw, T.P. Fischer, Helium-Carbon Relationships in Geothermal Fluids of Guatemala: Mapping the Subducted Sedimentary Component, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract V11B-09, 2001 M.M. Zimmer, T.P. Fischer, D.R. Hilton, A.M. Shaw, Z.D. Sharp, G. Alvarado, Volatile Chemistry and Fluxes Along the Costa Rican Segment of the Central American Volcanic Arc Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract V21C-0994, 2001 A.M. Shaw, Volcanoes offer inside information, Ocean Watch column in The San Diego Union Tribune (Jan. 10, 2001) A.M. Shaw, D.R. Hilton, C.G. Macpherson, and J.M. Sinton Evidence for Nucleogenic Neon in High 3 He/4He Lavas from the Manus Back-arc Basin. Abstract submitted to: Tenth Annual V.M. Goldschmidt Conference, September 2000. A.M. Shaw, D.R. Hilton, C.G. Macpherson, and J.M. Sinton. Constraining Volcanic CO2 Fluxes: the Importance of CO2/3He Ratios. Abstract submitted to: Iceland Summer School on Plume-Ridge Interactions, August 2000. A.M. Shaw, D.R. Hilton, C.G. Macpherson, and J.M. Sinton. The carbon dioxide/helium-3 systematics of plume-, mid-ocean-ridge basalt, and arc-type lavas from the Manus back-arc basin. Abstract in: Ninth Annual V.M. Goldschmidt Conference, p268. LPI Contribution No. 971, Lunar and Planetary Institute, Houston, August 1999.