Cordilleran Section - 99th Annual (April 1–3, 2003)

Session No. 25
Wednesday, 2 April 2003: 2:15 PM-4:50 PM

Petrology and Structure of Magmatic Systems

 

Philip Gans and Dante Moran Zenteno, Chairs
Paper #
Start Time
1
2:15 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, lorrie.v.coiner@vanderbilt.edu, lorrie.v.coiner@vanderbilt.edu
2
2:35 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, nicole.l.cates@vanderbilt.edu, nicole.l.cates@vanderbilt.edu
3
2:55 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, brian.e.harper@vanderbilt.edu, brian.e.harper@vanderbilt.edu
 
3:15 PM
Break
4
3:30 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, brueseme@muohio.edu, brueseme@muohio.edu
5
3:50 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, rfodor@ncsu.edu, rfodor@ncsu.edu
6
4:10 PM
Withdrawn
7
4:30 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, mustart@sfsu.edu, mustart@sfsu.edu