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| 146-1 | 140 | TRACE ELEMENT VARIABILITY IN TITANITE FROM DIVERSE GEOLOGIC ENVIRONMENTS: MAZDAB, Frank K.1, WOODEN, Joseph L.1, and BARTH, Andrew P.2, (1) U.S.G.S.-Stanford Ion Microprobe Laboratory, Green Building, Rm 89, 367 Panama Street, Stanford, CA 94305-2220, fmazdab@usgs.gov, (2) Department of Geology, IUPUI, 723 West Michigan Street, SL118, Indianapolis, IN 46202-5191 |
| 146-2 | 141 | HAFNIUM AND TEMPERATURE (FROM TITANIUM) VARIATIONS IN ZIRCONS: A POTENTIAL NEW TOOL TO EVALUATE PETROLOGIC PROCESSES IN MAGMAS: WOODEN, Joseph L.1, MAZDAB, Frank K.1, and BARTH, Andrew P.2, (1) U.S.G.S.-Stanford Ion Microprobe Laboratory, Green Building, Rm 89, 367 Panama Street, Stanford, CA 94305-2220, jwooden@usgs.gov, (2) Department of Earth Sciences, IUPUI, 723 West Michigan Street, SL118, Indianapolis, IN 46202-5191 |
| 146-3 | 142 | AGE OF THE GEM STOCKS, COEUR D'ALENE DISTRICT, IDAHO: FLECK, Robert J., USGS, 345 Middlefield Rd, Menlo Park, CA 94025, fleck@usgs.gov and WOODEN, Joseph L., U.S.G.S.-Stanford Ion Microprobe Laboratory, Green Building, Rm 89, 367 Panama Street, Stanford, CA 94305-2220 |
| 146-4 | 143 | SHRIMP-RG ANALYSES OF IGNEOUS AND METAMORPHIC MINERALS FROM THE NORTHERN GROUSE CREEK MOUNTAINS, UTAH: NEW EVIDENCE FOR THE TIMING OF MESOZOIC AND CENOZOIC METAMORPHISM AND DEFORMATION: STRICKLAND, Ariel, Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305-2115, strick@pangea.stanford.edu, MILLER, Elizabeth, Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305, and WOODEN, Joe, USGS-Stanford Ion Microprobe Laboratory, Stanford University, Stanford, CA 94305 |
| 146-5 | 144 | SHRIMP U-PB ISOTOPIC SYSTEMATICS OF ZIRCON FROM THE ANGEL LAKE ORTHOGNEISS, EAST HUMBOLDT RANGES, NEVADA: IS THIS REALLY ARCHEAN CRUST?: PREMO, Wayne R., U.S. Geological Survey, MS-963, Box 25046, Denver Federal Center, Denver, CO 80225, wpremo@usgs.gov |
| 146-6 | 145 | SR AND ND ISOTOPIC EVOLUTION IN LATE CRETACEOUS LOWER TO UPPER CRUSTAL GRANITIC ROCKS FROM THE TRANSVERSE RANGES, SOUTHERN CALIFORNIA: WIEGAND, Bettina A.1, BARTH, Andrew P.2, WOODEN, Joseph L.3, PALMER, Emerson F.2, BROWN, Kenneth L.2, and NEEDY, Sarah K.2, (1) Geological Environmental Sciences, Stanford University, 367 Panama Street, Stanford, CA 94305, bwiegand@pangea.stanford.edu, (2) Dept of Earth Sciences, Indiana Univ~Purdue Univ, Indianapolis, IN 46202, (3) U. S. Geol Survey, Menlo Park, CA 94025 |
| 146-7 | 146 | U-PB ZIRCON AGE MAPS USING LASER ABLATION MULTICOLLECTOR ICP MASS SPECTROMETRY: APPLICATION TO LIVERPOOL LAND PARAGNEISSES, EAST GREENLAND: JOHNSTON, Scott M.1, GEHRELS, George E.1, and HARTZ, Ebbe H.2, (1) Department of Geosciences, University of Arizona, Gould-Simpson Building #77, 1040 E 4th St, Tucson, AZ 85721, scojoh@email.arizona.edu, (2) Physics of Geological Processes, Oslo University, PO Box 1048 Blindern, Oslo, 0316, Norway |
| 146-8 | 147 | TRACE ELEMENT CHEMISTRY OF ZIRCONS FROM OCEANIC CRUST: A METHOD FOR DISTINGUISHING ZIRCON PROVENANCE: GRIMES, Craig B.1, JOHN, Barbara1, CHEADLE, Michael1, SCHWARTZ, Joshua1, MAZDAB, Frank2, WOODEN, Joseph2, and KELEMEN, Peter3, (1) Geology and Geophysics, University of Wyoming, Laramie, WY 82071-3006, cgrimes@uwyo.edu, (2) USGS-Stanford Ion Microprobe Facility, Green Building, Rm 89, 367 Panama Street, Stanford, CA 94305-2220, (3) Lamont Doherty Earth Observatory, Columbia University, Palisades, NY 10964 |
| 146-9 | 148 | GEOCHRONOLOGY OF IGNEOUS ROCKS IN THE CHOCOLATE MOUNTAINS REGION AS A MEANS TO INTERPRET TECTONIC EVOLUTION OF SOUTHEASTERN CALIFORNIA: NEEDY, S.K.1, WOODEN, J.L.2, BARTH, A.P.1, and JACOBSON, C.E.3, (1) Earth Sciences, IUPUI, 723 West Michigan Street, SL118, Indianapolis, IN 46202, sneedy@iupui.edu, (2) USGS, Menlo Park, CA 94305, (3) Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011-3212 |
| 146-10 | 149 | THE GRANITE PEAK MOUNTAIN INTRUSION: AN A-TYPE GRANITE(?) OF LATE JURASSIC AGE IN WESTERN UTAH: JENSEN, Bryce1, CHRISTIANSEN, Eric H.1, CLARK, Donald L.2, BIEK, Robert F.3, HART, Garret4, and VERVOORT, Jeff4, (1) Geological Sciences, Brigham Young University, Provo, UT 84602, microbryce@hotmail.com, (2) Utah Geological Survey, Salt Lake City, UT 84114, (3) Utah Geological Survey, Salt Lake City, UT 84114, (4) School of Earth and Environmental Sciences, Washington State University, P.O. Box 642812, Pullman, WA 99164 |
| 146-11 | 150 | ARCHEAN CRUSTAL EVOLUTION IN THE NORTHERN WYOMING PROVINCE: IMPLICATIONS FOR CRUST-MANTLE EVOLUTION: MUELLER, Paul A., Geological Sciences, University of Florida, Gainesville, FL 32611, mueller@geology.ufl.edu, MOGK, David W., Dept. of Earth Sciences, Montana State University, Bozeman, MT 59717, and HENRY, Darrell J., Dept. of Geology and Geophysics, Louisiana State Univ, Baton Rouge, LA 70803 |
| 146-12 | 151 | DIFFERENCE IN THE MECHANISM OF MELT GENERATION BETWEEN SILURIAN-DEVONIAN PLUTONS, ATYPICAL 'ALLEGHANIAN' GRANITES AND ALLEGHANIAN GRANITES IN THE CAROLINA TERRANE, SOUTHERN APPALACHIANS; IMPLICATIONS FOR ACCRETIONARY HISTORY OF THE CAROLINA SUPERTERRANE: DASGUPTA, Tathagata and SAMSON, Scott, Department of Earth Sciences, Syracuse University, 310 Heroy Geology Laboratory, Syracuse University, Syracuse, NY 13244, tdasgupt@syr.edu |
| 146-13 | 152 | GEOCHEMICAL CONSTRAINTS ON THE ORIGIN OF THE NEOPROTEROZOIC-CAMBRIAN BALKAN OPHIOLITE: CARRIGAN, Charles W.1, HOFFMANN, Carin1, HAYDOUTOV, Ivan2, and SAVOV, Ivan3, (1) Dept. of Physical Sciences, Olivet Nazarene University, One University Ave, Bourbonnais, IL 60914, ccarriga@olivet.edu, (2) Geological Institute, Bulgarian Academy of Sciences, Sofia, Bulgaria, (3) Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20560 |
| 146-14 | 153 | SEDIMENTATION ASSOCIATED WITH OPENING OF THE ATLANTIC OCEAN: DETRITAL ZIRCON DATA FROM THE SUBSURFACE LUCULA FORMATION, OFFSHORE WEST AFRICA: WEISLOGEL, Amy L., Geological Sciences, University of Alabama, Box 870338, 201 7th Ave, Tuscaloosa, AL 35487, aweislogel@geo.ua.edu and HESSLER, Angela M., Chevron Energy Technology Company, 6001 Bollinger Canyon Road, San Ramon, CA 94583 |
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