Session No. 25
Thursday, 16 May 2019: 9:00 AM-6:00 PM
Exhibit Hall B (Oregon Convention Center)
T12. Field, Petrological, and Geochemical Constraints on Magmatic Systems in the Cordillera (Posters)
Authors will be present from 3:30 to 6 PM.
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SEDIMENT ASSIMILATION EXERTS PRIMARY CONTROL ON HF ISOTOPE RATIOS IN THE PALEOCENE-EOCENE SANAK-BARANOF PLUTONIC BELT, ALASKA
DAVIDSON, Cameron, Department of Geology, Carleton College, 1 N College St., Northfield, MN 55057 and GARVER, John I., Geology Department, Union College, 807 Union St., Schenectady, NY 12308
67
CRYSTALLIZATION AGES AND GEOCHEMISTRY OF THE MINERS BAY AND CEDAR BAY PLUTONS, PRINCE WILLIAM SOUND, ALASKA
GARCIA Jr., Victor R.1, STOCKLI, Daniel F.1, DAVIDSON, Cameron2 and GARVER, John I.3, (1)Geological Sciences, University of Texas at Austin, Austin, TX 78712, (2)Department of Geology, Carleton College, 1 N College St., Northfield, MN 55057, (3)Geology Department, Union College, Schenectady, NY 12308
68
AGE AND TECTONIC SETTING OF THE PALEOCENE GLACIER ISLAND VOLCANIC SEQUENCE OF THE ORCA GROUP IN PRINCE WILLIAM SOUND, ALASKA
NOSEWORTHY, Caitlin M.1, FLOOD, Tim P.1, DAVIDSON, Cameron2 and GARVER, John I.3, (1)Department of Geology, St. Norbert College, 100 Grant Street, De Pere, WI 54115, (2)Department of Geology, Carleton College, 1 N College St, Northfield, MN 55057, (3)Geology, Union College, 807 Union Street, Schenectady, NY 12308
69
ORIGIN OF THE LOWER ZONE OF THE KIGLAPAIT LAYERED MAFIC INTRUSION, LABRADOR, CANADA: COMPUTATIONAL CONSTRAINTS ON CRYSTALLIZATION AND MAGMA RECHARGE
MELONE, Alec, Department of Geological Sciences, Central Washington University, 400 E. University Way, Ellensburg, WA 98926-3148, BOHRSON, Wendy A., Department of Geological Sciences, Central Washington University, 400 E. University Way, Ellensburg, WA 98926 and SPERA, Frank J., Earth Science, University of California Santa Barbara, Santa Barbara, CA 93106
70
CRETACEOUS AND EOCENE MAGMATISM IN THE SOUTHERN PRIEST RIVER CORE COMPLEX (PRC) OF NORTHEASTERN WASHINGTON AND NORTHERN IDAHO
BUDDINGTON, Andrew M., Science Department, Spokane Community College, 1810 N. Greene Street, Spokane, WA 99217, CHENEY, Eric S., Department of Earth and Space Sciences, University of Washington, Box 35130 University of Wshington, Seattle, WA 98195-1310 and DOUGHTY, P. Ted, PRISEM Geoscience Consulting LLC, 1011 West 27th Avenue, Spokane, WA 99203
71
MINERALOGICAL, GEOCHEMICAL, AND PHYSICAL CHARACTERIZATION OF MID-MIOCENE RHYOLITES IN EASTERN OREGON
YOUNG, Brianna C., ORR, Aleysa and STRECK, Martin J., Department of Geology, Portland State University, 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97207-0751
72
GEOCHEMICAL EVALUATION AND IGNEOUS PETROGENESIS OF A HYDROTHERMALLY ALTERED EVOLVED RHYOLITE, SOUTHERN WAH WAH MOUNTAINS, UTAH
BARKOFF, Drew William, Department of Geoscience, University of Nevada Las Vegas, 4505 S. Maryland Pkwy., Las Vegas, NV 89154 and JOWITT, Simon, Department of Geoscience, University of Nevada Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154-4010
74
GEOCHEMICAL AND PETROGRAPHIC ANALYSIS OF THE LIGHTS CREEK STOCK IN THE PLUMAS COUNTY COPPER BELT
PIERCE, Margaret C., California State University, Chico, Department of Geological and Environmental Sciences, 400 West 1st St, Chico, CA 95929 and AIRD, Hannah M., Department of Geological and Environmental Science, CSU Chico, 400 W 1st Street, Chico, CA 95929
75
OLIVINE TRACE ELEMENT INDICATORS OF THERMAL HISTORY AND MANTLE SOURCE COMPOSITIONS FOR PRIMITIVE MAGMAS AT THE POISON LAKE CHAIN, LASSEN REGION
DAVIS, Evan1, PLASCENCIA, Natalio1, TEASDALE, Rachel1 and WENNER, Jennifer M.2, (1)Geological & Environmental Sciences, California State University, Chico, Chico, CA 95929-0205, (2)University of Wisconsin Oshkosh, Geology Department, 800 Algoma Blvd, Oshkosh, WI 54901-3551
76
TRACE ELEMENT ANALYSIS OF PLAGIOCLASE IN PRIMITIVE BASALTS AT POISON LAKE CHAIN, LASSEN REGION
PLASCENCIA, Natalio1, DAVIS, Evan1, TEASDALE, Rachel1 and WENNER, Jennifer M.2, (1)Geological & Environmental Sciences, California State University, Chico, Chico, CA 95929-0205, (2)University of Wisconsin Oshkosh, Geology Department, 800 Algoma Blvd, Oshkosh, WI 54901-3551
78
THE COMPOSITIONALLY AND THERMALLY ZONED RHYOLITE ERUPTED FROM LONG CANYON DOME, GOLDEN TROUT VOLCANIC FIELD, KERN PLATEAU, SIERRA NEVADA
BROWNE, Brandon and KHOURY, Regina, Department of Geology, Humboldt State University, 1 Harpst Street, Arcata, CA 95521
80
STRATIGRAPHY AND PETROGRAPHY OF EARLY MIOCENE SYNEXTENSIONAL VOLCANIC ROCKS, WESTERN TEHACHAPI MTNS., CA
MONTEJO, Carlos1, TORRES ANDRADE, Eneas1, MILLER, D.E.1, MORENO, Jesus Eduardo2 and MAYENCE, C. Ellery3, (1)Department of Geological Sciences, California State University, Bakersfield, 9001 Stockdale Highway, Bakersfield, CA 93311, (2)California State University, Bakersfield, 9001 Stockdale Highway, Bakersfield, CA 93311, (3)Tejon Ranch Conservancy, PO Box 216, Frazier Park, CA 93225
81
GEOCHRONOLOGY AND PETROGENESIS OF THE JAMILTEPEC – PUERTO ESCONDIDO BATHOLITHS: NEW INSIGHTS ON SOUTHERN MEXICO CENOZOIC MAGMATISM
GARCÍA RODRÍGUEZ, Hermes Martín, Procesos Litosféricos, Instituto de Geología, Av Universidad 3000, Mexico city, DF 04510, Mexico, MORÁN-ZENTENO, Dante J., Instituto de Geología, Universidad Nacional Autónoma de México, México, 04510, Mexico and MARTINY, Barbara M., Instituto de Geología, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
82
GEOCHRONOLOGY AND PETROGENESIS OF THE PUERTO ESCONDIDO-HUATULCO INTRUSIONS IN SOUTHERN MEXICO AND STRUCTURAL ANALYSIS OF THE WESTERN CHACALAPA FAULT SYSTEM
GARCÍA HERNÁNDEZ, Samantha Yahel1, MORÁN-ZENTENO, Dante J.2, MARTINY, Barbara M.2 and TOLSON, Gustavo2, (1)Procesos Litosféricos, Instituto de Geología, Av Universidad 3000, Mexico City, DF 04510, Mexico, (2)Instituto de Geología, Universidad Nacional Autónoma de México, México, 04510, Mexico
83
QUANTIFYING MAGMA RECHARGE AT PARINACOTA VOLCANO, NORTHERN CHILE (52 KA - RECENT)
MCLEOD, Jennifer R.1, BOHRSON, Wendy A.1 and WORNER, Gerhard2, (1)Department of Geological Sciences, Central Washington University, 400 E. University Way, Ellensburg, WA 98926, (2)Geoscience Center Gottingen, University of Gottingen, Goldschmidtstrasse 1, Gottingen, Germany
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