Cordilleran Section - 101st Annual Meeting (April 29–May 1, 2005)

Session No. 24
Saturday, 30 April 2005: 9:00 AM-5:00 PM

Igneous Petrology/Volcanology (Posters)

Authors will be present from .

 

Paper #
Booth #
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AN ERUPTED RECORD FROM THE MIOCENE SEARCHLIGHT PLUTON, NEVADA
DODGE, Michele C.1, MILLER, Jonathan S.1, FAULDS, James E.2 and MILLER, Calvin F.3, (1)Department of Geology, San Jose State Univ, San Jose, CA 95192, (2)Nevada Bureau of Mines and Geology, Univ of Nevada, Reno, NV 89557, (3)Dept. of Geology, Vanderbilt Univ, Nashville, TN 37235, mdodge@usgs.gov, mdodge@usgs.gov
2
5
PRODUCTION AND DISTRIBUTION OF HYBRIDIZED MAGMA IN A REPLENISHED, OPEN-SYSTEM MAGMA CHAMBER; AZTEC WASH PLUTON, ELDORADO MOUNTAINS, NEVADA
BLEICK, Heather A.1, MILLER, Calvin F.2, FURBISH, David J.3, KOTEAS, Christopher1, ERICKSEN, Shelly M.4, MILLER, Jonathan S.5, GUALDA, Guilherme6 and WALKER, Barry A.1, (1)Dept. of Geology, Vanderbilt Univ, Nashville, TN 37235-1805, (2)Dept. of Geology, Vanderbilt Univ, Nashville, TN 37235, (3)Department of Earth and Environmental Sciences, Vanderbilt University, SC 5717 Sci. & Engr. Bldg, Stevenson Center Lane, Nashville, TN 37240, (4)Dept. of Geology, San Jose State Univ, San Jose, CA 95192-0102, (5)Department of Geology, San Jose State Univ, San Jose, CA 95192, (6)Dept. of the Geophysical Sciences, The Univ of Chicago, 5431 S. Harper Ave #3W, Chicago, IL 60615, Heather.A.Bleick@Vanderbilt.edu, Heather.A.Bleick@Vanderbilt.edu
3
6
DEPTH-DEPENDENT VARIATIONS IN TEXTURE AND PHENOCRYST MINERALOGY IN A LARGE DACITE DIKE, LITTLE CHUCKWALLA MOUNTAINS, CALIFORNIA
HAMANE, Angelique C. and MAYO, Dave P., Department of Geological Sciences, California State Univ Los Angeles, 5151 State University Drive, Los Angeles, CA 90032, angel_hamane@sbcglobal.net, angel_hamane@sbcglobal.net
4
7
GEOCHEMICAL CHARACTERISTICS OF BASALTIC ROCKS FROM THE WUKSI VOLCANIC CHAIN, CASCADE RANGE NEAR LA PINE
FRIBERG, Erik John Olof1, CUMMINGS, Michael1, PASELY, Rick1, STRECK, Martin2 and MCNALLY, Ryan3, (1)Geology, Portland State, Portland, OR 97207, (2)Department of Geology, Portland State University, Portland, 97207, (3)Geology, Portland State Univ, Portland, OR 97207, efriberg@pdx.edu, efriberg@pdx.edu
5
8
PUMICE FLAT TEPHRA OF NEWBERRY VOLCANO, OREGON: DEPOSIT OF A MIXED-MAGMA PLINIAN ERUPTION
KUEHN, Stephen C. and PREPPERNAU, Charles A., Department of Physics, Physical Scienes, and Geology, California State Univ, Stanislaus, 801 W. Monte Vista Avenue, Turlock, CA 95382, kuehn@geology.csustan.edu, kuehn@geology.csustan.edu
6
9
PALEOMAGNETIC DATA IDENTIFY POST-GLACIAL ERUPTIVE EPISODES AND THEIR DURATION AT MEDICINE LAKE VOLCANO, CALIFORNIA
CHAMPION, Duane E.1, DONNELLY-NOLAN, Julie M.1, LOWENSTERN, Jacob B.2 and MILLER, C. Daniel3, (1)U.S. Geol Survey, MS-910, 345 Middlefield Rd, Menlo Park, CA 94025, (2)U.S. Geological Survey, MS-910, 345 Middlefield Rd, Menlo Park, CA 94025, (3)U.S. Geol Survey, Bldg. 10, 1300 SE Cardinal Ct, Vancouver, WA 98683, dchamp@usgs.gov, dchamp@usgs.gov
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VOLCANOLOGY OF THE SANTA CLARA AND DIAMOND VALLEY LAVA FLOWS, SNOW CANYON STATE PARK, UTAH
FAUST, Matthew E., Dept. Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010 and SMITH, Eugene, Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010, faustm@unlv.nevada.edu, faustm@unlv.nevada.edu
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FLAT SUBDUCTION AND ASSOCIATED MAGMATISM. CENTRAL MÉXICO
CARRILLO Sr, Miguel, G, Mancera 1420-1, Col. Del Valle, D.F. 03100, Mexico, mcm@servidor.unam.mx, mcm@servidor.unam.mx
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THE TERTIARY TRANSITION FROM "SUBDUCTION-RELATED" TO "RIFT-RELATED" MAGMATISM IN SOUTHERN SONORA, MEXICO: A FIELD, PETROLOGIC, AND GEOCHEMICAL STUDY
TILL, Christy, GANS, Phillip and SPERA, Frank, Dept. of Geological Sciences, Univ of California, Santa Barbara, CA 93106, till@umail.ucsb.edu, till@umail.ucsb.edu
10
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PETROLOGY AND GEOCHEMISTRY OF AN ULTRAMAFIC LAVA FROM THE FRANCISCAN COMPLEX: A MEIMECHITE FROM THE EEL RIVER BASIN NEAR COVELO, CALIFORNIA
SPRINGER, David J., College of the Redwoods, 1211 Del Mar Dr, Fort Bragg, CA 95437-1253, springer@mcn.org, springer@mcn.org