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| 196-1 | 8:00 AM | JURASSIC TO EOCENE MAGMATIC HISTORY OF THE COAST MOUNTAINS BATHOLITH IN NORTH-COASTAL BRITISH COLUMBIA: GEHRELS, G.1, RUSMORE, M.2, WOODSWORTH, G.3, CRAWFORD, M.4, PATCHETT, J.5, DUCEA, M.5, ANDRONICOS, C.6, HOLLISTER, L.7, KLEPEIS, K.8, and MAHONEY, B.9, (1) Department of Geosciences, University of Arizona, Tucson, AZ 85721, ggehrels@email.arizona.edu, (2) Occidental College, (3) Geological Survey of Canada, (4) Bryn Mawr College, (5) University of Arizona, (6) Cornell University, (7) Princeton University, (8) University of Vermont, (9) University of Wisconsin, Eau Clare |
| 196-2 | 8:20 AM | PLATE TECTONICS AND THE MAGMATIC BELTS OF NE RUSSIA AND ADJACENT ALASKA: A DECADE OF FIELD AND U-PB (SHRIMP-RG) GEOCHRONOLOGIC STUDIES: MILLER, Elizabeth L., Geological and Environmental Sciences, Stanford University, Stanford, CA 94305, miller@pangea.stanford.edu, AKININ, Vyacheslav V., Russian Academy of Sciences, NEISRI, Portovaya 16, Magadan, 685000, Russia, PROKOPIEV, Andrei, Diamond and Precious Metal Geology Institute, Russian Academy of Sciences, 39 Lenin Avenue, Yakutsk, 677891, Russia, HOURIGAN, Jeremy, Earth Sciences, University California Santa Cruz, Santa Cruz, CA 94305, and TORO, Jaime, Department of Geology and Geography, West Virginia Univ, 425 White Hall, P.O. Box 6300, Morgantown, WV 26506-6300 |
| 196-3 | 8:40 AM | TEMPORAL EVOLUTION OF THE LAKE VICTORIA NEOARCHEAN GREENSTONE BELTS, TANZANIA: CHAMBERLAIN, Claire M.1, TOSDAL, Richard M.1, and WOODEN, Joseph L.2, (1) Mineral Deposit Research Unit, University of British Columbia, Vancouver, BC V6T1Z4, Canada, rtosdal@eos.ubc.ca, (2) U.S. Geological Survey, 367 Panama Street, Stanford, CA 94305 |
| 196-4 | 8:55 AM | CRUSTAL HISTORY OF BIMODAL PALEOPROTEROZOIC SUITE IN CENTRAL COLORADO: NEW HF ISOTOPIC DATA: BICKFORD, M.E., Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244-1070, mebickfo@syr.edu, MUELLER, P.A., KAMENOV, George, Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32601, and HILL, Barbara M., Department of Earth Sciences, Syracuse University, Heroy Geology Laboratory, Syracuse, NY 13244-1070 |
| 196-5 | 9:10 AM | EPISODIC GRANITIC MAGMATISM IN SPACE AND TIME: CONSTRAINTS FROM IGNEOUS AND DETRITAL ZIRCON AGE SPECTRA: CONDIE, Kent C., Earth and Environmental Science, New Mexico Tech, Socorro, NM 87801, kcondie@nmt.edu, BELOUSOVA, Elena, GEMOC Department of Earth & Planetary Sciences, Macquarie University, Sydney, NSW, 2109, Australia, and GRIFFIN, W.L., GEMOC, Department of Earth & Planetary Sciences, Macquarie University, Sydney, NSW, 2109, Australia |
| 196-6 | 9:25 AM | UPPER CRUSTAL OVERTURN DURING MAGMATIC SURGES – A POTENTIAL SIERRA-WIDE PROCESS: ANDERSON, J. Lawford, FOLEY, Bradford, BALL, E. Nicole, PATERSON, Scott, MEMETI, Vali, and PIGNOTTA, Geoffrey, Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, anderson@usc.edu |
| 196-7 | 9:40 AM | OCEAN ZIRCONS! CONSTRAINTS ON SPREADING RATES, COOLING AND FAULTING HISTORIES, AND MODES OF CRUSTAL ACCRETION: JOHN, Barbara1, CHEADLE, Michael1, BAINES, Graham2, GRIMES, Craig1, SCHWARTZ, Joshua1, and WOODEN, Joe3, (1) Geology and Geophysics, University of Wyoming, Laramie, WY 82071, bjohn@uwyo.edu, (2) School of Earth and Environmental Sciences, Adelaide University, Adelaide, SA 5005, Australia, (3) USGS-Stanford Ion Microprobe Laboratory, Stanford University, Stanford, CA 94305 |
| | 9:55 AM | Break |
| 196-8 | 10:10 AM | EVOLUTION OF MOUNT ST. HELENS SUB-VOLCANIC MAGMATIC SYSTEM REVEALED BY ZIRCON: EVIDENCE FROM SHRIMP-RG ANALYSIS OF TRACE ELEMENTS AND U-TH DISEQUILIBRIA: CLAIBORNE, Lily Lowery, Earth and Environmental Sciences, Vanderbilt University, VU Station B 35-1805, Nashville, TN 37235, lily.e.lowery@vanderbilt.edu, MILLER, Calvin F., Earth and Environmental Sciences, Vanderbilt University, 117 Sta B, Nashville, TN 37235, WOODEN, Joseph L., U.S.G.S.-Stanford Ion Microprobe Laboratory, Green Building, Rm 89, 367 Panama Street, Stanford, CA 94305-2220, CLYNNE, Michael A., Volcano Hazards Team, US Geological Survey, 345 Middlefield Rd MS910, Menlo Park, CA 94025, and PALLISTER, John S., USGS Cascades Volcano Observatory, 1300 Cardinal Court, Suite 100, Vancouver, WA 98683 |
| 196-9 | 10:30 AM | ZIRCON U–TH GEOCHRONOLOGY OF MODERN PLUTONS BENEATH TWO ARC VOLCANOES: BACON, Charles R., USGS, 345 Middlefield Rd, Menlo Park, CA 94025, cbacon@usgs.gov |
| 196-10 | 10:50 AM | ZIRCON AGE SPECTRA, ZIRCON CRYSTALLIZATION TEMPERATURE, AND THE GROWTH OF THE HALF DOME AND CATHEDRAL PEAK GRANODIORITES, SIERRA NEVADA BATHOLITH, CALIFORNIA: MILLER, Jonathan S.1, MATZEL, Jennifer2, WOODEN, Joseph L.3, BURGESS, Seth1, MAZDAB, Frank K.3, and MUNDIL, Roland2, (1) Department of Geology, San Jose State Univ, San Jose, CA 95192-0102, Jonathan.Miller@sjsu.edu, (2) Berkeley Geochronology Ctr, 2455 Ridge Rd, Berkeley, CA 94709-1211, (3) Stanford–USGS Micro-Isotopic Analytical Center, Stanford, CA 94305-2220 |
| 196-11 | 11:05 AM | SUBMICRON U-PB AGE ANALYSIS OF CONTACT METAMORPHOSED ZIRCON: IMPLICATIONS FOR THE UNDERTHRUSTING HISTORY OF THE RAND SCHIST: GROVE, Marty, Earth and Space Sciences, UCLA, Los Angeles, CA 90095, marty@oro.ess.ucla.edu, JACOBSON, C.E., Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011-3212, and BARTH, A.P., Department of Geology, Indiana University-Purdue University, Indianapolis, IN 46202 |
| 196-12 | 11:20 AM | SPOT DATING OF DETRITAL RUTILE BY LA-Q-ICP-MS: A POWERFUL PROVENANCE TOOL: ALLEN, Charlotte M. and CAMPBELL, Ian H., Research School of Earth Sciences, Australian National Univ, Canberra, 0200, Australia, charlotte.allen@anu.edu.au |
| 196-13 | 11:35 AM | APATITE GEOCHEMISTRY: A POWERFUL TOOL FOR CHARACTERIZING MAGMA SUITES AND INTERPRETING IGNEOUS PETROGENESIS: LUX, Daniel R., Earth Sciences, Univ of Maine, 5790 Bryand Global Sciences Center, University of Maine, Orono, ME 04469, dlux@maine.edu, YATES, Martin G., Earth Sciences, University of Maine, 5790 Bryand Global Research Center, Orono, ME 04469, and GIBSON, David, Department of Natural Sciences, University of Maine at Farmington, Preble Hall, 173 High Street, Farmington, ME 04938 |
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