Session No. 21 Tuesday, April 10, 2001

8:10 AM-11:30 AM, Sheraton Universal: Terrace D
T8. New Insights in Igneous and Metamorphic Petrology and Volcanology
C. A. Hopson and John M. Bartley, Presiding
Start Time
8:10 AM EMPLACEMENT OF THE NORTH MOUNTAIN PLUTON, KINGS CANYON NATIONAL PARK, CALIFORNIA: GRASSE, Scott W.1, BARTLEY, John1, and GLAZNER, Allen F.2, (1) Department of Geology and Geophysics, Univ of Utah, 135 S. 1460 E., Rm 719, Salt Lake City, UT 84112, sgrasse@mines.utah.edu, (2) Department of Geological Sciences, Univ of North Carolina at Chapel Hill, CB# 3315, Mitchell Hall, Chapel Hill, NC 27599-3315
8:30 AM STRUCTURE OF THE CARDINAL MOUNTAIN INTERPLUTON SCREEN, SIERRA NEVADA BATHOLITH, CALIFORNIA: BARTLEY, John M., Dept. of Geology and Geophysics, Univ of Utah, Salt Lake City, UT 84112-0111, jbartley@mines.utah.edu, GLAZNER, Allen F., Geological Sciences, Univ of North Carolina, Chapel Hill, Chapel Hill, NC, and MAHAN, Kevin H., Dept. of Geosciences, Univ of Massachusetts, Amherst, MA 01003,
8:50 AM EVIDENCE FOR REPEATED INTRUSION, REMOBILIZATION AND PARTIAL MIXING DURING PLUTON CONSTRUCTION IN THE TUOLUMNE INTRUSIVE SUITE, SIERRA NEVADA BATHOLITH, CALIFORNIA: MILLER, Jonathan S., MILLER, Robert B., and TERUYA, LeAnne, Dept. of Geology, San Jose State Univ, San Jose, CA 95192-0102, jsmiller@email.sjsu.edu
9:10 AM FELSIC DIKES RECORD EARLY AND LATE-STAGE DEVELOPMENT OF THE PARADISE GRANODIORITE, EASTERN SIERRA NEVADA, CALIFORNIA: HIRT, William H., College of the Siskiyous, 800 College Ave, Weed, CA 96094-2806, hirt@siskiyous.edu.
9:30 AM MID-CRETACEOUS PLUTONISM IN CHELAN MOUNTAINS TERRANE, NORTH CASCADES, WASHINGTON: RELATIONSHIP OF INTRUSIVE PLUTONS TO CHELAN MIGMATITE COMPLEX: HOPSON, C. A., MATTINSON, J. M., and MATTINSON, C. G., Dept. Geol. Sci, Univ of California, Santa Barbara, CA 93106, cliff@geol.ucsb.edu
9:50 AM Break
10:10 AM NEWLY DISCOVERED WESTERN OUTLIER OF THE JOSEPHINE OPHIOLITE(?) ON THE ELK RIVER, SOUTHERN COASTAL OREGON: GIARAMITA, Mario J., Department of Physics and Geology, California State Univ, Stanislaus, Turlock, CA 95382, marty@geology.csustan.edu and HARPER, Gregory D., Dept. of Earth and Atmospheric Sciences, S.U.N.Y, Albany, NY 12222,
10:30 AM POLYMETAMORPHISM OF ARCHEAN PELITIC SCHIST IN THE GROUSE CREEK MOUNTAINS, NORTHWESTERN UTAH: DUDASH, Stephanie L.1, HOISCH, Thomas1, and WELLS, Michael2, (1) Department of Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011, slw6@dana.ucc.nau.edu, (2) Department of Geoscience, Univ of Nevada, Box 4010, Las Vegas, NV 89154-4010
10:50 AM ERUPTIVE HISTORY OF THE UNION PASS VOLCANIC CENTER, COLORADO RIVER EXTENSIONAL CORRIDOR, NORTHWEST ARIZONA: LANG, Nicholas P.1, MILLER, Calvin F.1, FAULDS, J. E.2, and CRIBB, Warner3, (1) Department of Geology, Vanderbilt Univ, 2301 Vanderbilt Place, VU Station B 351805, Nashville, TN 37235-1805, nicholas.p.lang@vanderbilt.edu, (2) Nevada Bureau of Mines and Geology, Univ of Nevada, Reno, Mail Stop 178, Reno, NV 89557, (3) Department of Geography and Geology, Middle Tennessee State Univ, MTSU - PO Box 9, Murfreesboro, TN 37132
11:10 AM VOLCANIC BOMBS DEFINE VENT AREA FOR LATE PLIOCENE SONOMA VOLCANICS: BERKLAND, James O., 1175 Chauvet Rd, PO Box 1926, Glen Ellen, CA 95442-1926, syzygyjob@aol.com.

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