Session No. 25 Wednesday, April 2, 2003

2:15 PM-4:50 PM, Hotel NH Krystal: Yelapa
Petrology and Structure of Magmatic Systems
Philip Gans and Dante Moran Zenteno, Presiding
 Paper #Start Time
25-12:15 PM CYCLIC STRATIGRAPHY IN THE AZTEC WASH PLUTON, NEVADA: VERTICAL CONSTRUCTION OF A COMPOSITE INTRUSION: COINER, Lorrie V., CATES, Nicole L., MILLER, Calvin F., and HARPER, Brian E., Dept. of Geology, Vanderbilt Univ, Nashville, TN 37235-1805,
25-22:35 PM LONGEVITY OF PLUTONIC SYSTEMS: SHRIMP EVIDENCE FROM AZTEC WASH AND SEARCHLIGHT PLUTONS, NEVADA: CATES, Nicole L.1, MILLER, Jonathan S.2, MILLER, Calvin F.1, WOODEN, Joseph L.3, ERICKSEN, Shelly2, and MEANS, Molly2, (1) Dept. of Geology, Vanderbilt Univ, Nashville, TN 37235-1805,, (2) Department of Geology, San Jose State Univ, San Jose, CA 95192-0102, (3) U.S. Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025
25-32:55 PM GRANITE ACCUMULATION AND FRACTIONATION IN A DYNAMIC, OPEN-SYSTEM MAGMA CHAMBER, AZTEC WASH PLUTON, ELDORADO MTNS, NEVADA: HARPER, Brian E.1, MILLER, Calvin F.1, WIEBE, Robert A.2, CATES, Nicole L.1, and CRIBB, Warner3, (1) Dept. of Geology, Vanderbilt Univ, Nashville, TN 37235-1805,, (2) Geosciences, Franklin and Marshall College, Lancaster, PA 17604-3003, (3) Geosciences, Middle Tennessee State Univ, PO Box 9, Murfreesboro, TN 37132
 3:15 PM Break
25-43:30 PM MID-MIOCENE VOLCANIC FIELD DEVELOPMENT IN NORTHERN NEVADA: NEW AGE CONSTRAINTS ON THE TIMING OF SANTA ROSA-CALICO VOLCANISM: BRUESEKE, Matthew E.1, HART, William K.1, WALLACE, Alan R.2, HEIZLER, Matthew T.3, and FLECK, Robert J.4, (1) Geology Dept, Miami Univ, 114 Shideler Hall, Oxford, OH 45056-2473,, (2) US Geol Survey, MS 176, Univ. Nevada, Reno, Reno, NV 89557-0047, (3) New Mexico Bureau of Mines and Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, (4) U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025
25-53:50 PM KOOLAU SHIELD BASALT AS XENOLITHS ENTRAINED DURING REJUVENATED-STAGE ERUPTIONS: PERSPECTIVES ON MAGMA MIXING: FODOR, R.V., North Carolina State Univ, Raleigh, NC 27695,, WEINSTEIN, J.P., EPA, Research Triangle Park, NC 27711, and BAUER, G.R., Dept. Land and Nat Rscs, Honolulu, HI 96813
25-64:10 PM THE EFFECTS OF PROGRESSIVE PARTIAL MELTING OF METASEDIMENTARY ROCKS ON STRAIN PARTITIONING: A CASE STUDY FROM THE SOUTHERN SIERRA NEVADA BATHOLITH, CALIFORNIA: ZENG, Lingsen and SALEEBY, Jason B., Division of Geological and Planetary Sciences, California Institute Technology, 1201 E California Blvd MC 100-23, Pasadena, CA 91125-0001,
25-74:30 PM EXPERIMENTAL INVESTIGATION OF FLUID PHASES IN THE SYSTEM HAPLOGRANITE-WATER-ALKALI CHLORIDE: STEINER, Jeffrey C., Department of Earth and Atmospheric Sciences, The City College of CUNY, New York, NY 10031, and MUSTART, David A., Department of Geosciences, San Francisco State Univ, San Francisco, CA 94132,

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