Geological Society of America

9:00 AM

AN ERUPTED RECORD FROM THE MIOCENE SEARCHLIGHT PLUTON, NEVADA

Michele C. Dodge, San Jose State Univ, San Jose, CA and Jonathan S. Miller, San Jose State Univ, San Jose, CA and James E. Faulds, Univ of Nevada, Reno, NV and Calvin F. Miller, Vanderbilt Univ, Nashville, TN

84402 (Technical Sessions)

9:00 AM

GEOCHEMICAL CHARACTERISTICS OF BASALTIC ROCKS FROM THE WUKSI VOLCANIC CHAIN, CASCADE RANGE NEAR LA PINE

Erik John Olof Friberg, Portland State, Portland, OR and Michael Cummings, Portland State, Portland, OR and Rick Pasely, Portland State, Portland, OR and Martin Streck, Portland State Univ - Dept Geology 17 Cramer Hall, Portland, OR and Ryan McNally, Portland State Univ, Portland, OR

85086 (Technical Sessions)

9:00 AM

PALEOMAGNETIC DATA IDENTIFY POST-GLACIAL ERUPTIVE EPISODES AND THEIR DURATION AT MEDICINE LAKE VOLCANO, CALIFORNIA

Duane E. Champion, U.S. Geol Survey, Menlo Park, CA and Julie M. Donnelly-Nolan, U.S. Geol Survey, Menlo Park, CA and Jacob B. Lowenstern, U.S. Geological Survey, Menlo Park, CA and C. Daniel Miller, U.S. Geol Survey, Vancouver, WA

85117 (Technical Sessions)

9:00 AM

FLAT SUBDUCTION AND ASSOCIATED MAGMATISM. CENTRAL MÉXICO

Miguel Carrillo, Col. Del Valle, N/A

85177 (Technical Sessions)

9:00 AM

PRODUCTION AND DISTRIBUTION OF HYBRIDIZED MAGMA IN A REPLENISHED, OPEN-SYSTEM MAGMA CHAMBER; AZTEC WASH PLUTON, ELDORADO MOUNTAINS, NEVADA

Heather A. Bleick, Vanderbilt Univ, Nashville, TN and Calvin F. Miller, Vanderbilt Univ, Nashville, TN and David J. Furbish, Vanderbilt University, Nashville, TN and Christopher Koteas, Vanderbilt Univ, Nashville, TN and Shelly M. Ericksen, San Jose State Univ, San Jose, CA and Jonathan S. Miller, San Jose State Univ, San Jose, CA and Guilherme Gualda, The Univ of Chicago, Chicago, IL and Barry A. Walker, Vanderbilt Univ, Nashville, TN

85352 (Technical Sessions)

9:00 AM

VOLCANOLOGY OF THE SANTA CLARA AND DIAMOND VALLEY LAVA FLOWS, SNOW CANYON STATE PARK, UTAH

Matthew E. Faust, Univ of Nevada, Las Vegas, Las Vegas, NV and Eugene Smith, University of Nevada, Las Vegas, Las Vegas, NV

85365 (Technical Sessions)

9:00 AM

DEPTH-DEPENDENT VARIATIONS IN TEXTURE AND PHENOCRYST MINERALOGY IN A LARGE DACITE DIKE, LITTLE CHUCKWALLA MOUNTAINS, CALIFORNIA

Angelique C. Hamane, California State Univ Los Angeles, Los Angeles, CA and Dave P. Mayo, California State Univ Los Angeles, Los Angeles, CA

85458 (Technical Sessions)

9:00 AM

PUMICE FLAT TEPHRA OF NEWBERRY VOLCANO, OREGON: DEPOSIT OF A MIXED-MAGMA PLINIAN ERUPTION

Stephen C. Kuehn, California State Univ, Stanislaus, Turlock, CA and Charles A. Preppernau, California State Univ, Stanislaus, Turlock, CA

85730 (Technical Sessions)

9:00 AM

PETROLOGY AND GEOCHEMISTRY OF AN ULTRAMAFIC LAVA FROM THE FRANCISCAN COMPLEX: A MEIMECHITE FROM THE EEL RIVER BASIN NEAR COVELO, CALIFORNIA

David J. Springer, College of the Redwoods, Fort Bragg, CA

85750 (Technical Sessions)

9:00 AM

THE TERTIARY TRANSITION FROM "SUBDUCTION-RELATED" TO "RIFT-RELATED" MAGMATISM IN SOUTHERN SONORA, MEXICO: A FIELD, PETROLOGIC, AND GEOCHEMICAL STUDY

Christy Till, Univ of California, Santa Barbara, CA and Phillip Gans, Univ of California, Santa Barbara, CA and Frank Spera, Univ of California, Santa Barbara, CA

85764 (Technical Sessions)

24 Igneous Petrology/Volcanology (Posters)

Presentations