Session No. 154
Monday, 28 October 2013: 9:00 AM-6:30 PM
Hall D (Colorado Convention Center)

T220. Processes and Timescales of Magma Evolution in the Crust: Insights from the Past Fifty Years and Approaches for the Next Fifty Years (Posters)

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division; Mineralogical Society of America; GSA Geoscience Education Division; Geochemical Society

Authors will be present from 2:00 to 4:00 PM, and 5:00 to 6:30 PM.

 

Paper #
Start Time
1
446
TRACE ELEMENT CHEMISTRY IN ZIRCON: TESTING THE INVERTED MAGMA CHAMBER MODEL OF THE PICTURE GORGE IGNIMBRITE
LAIB, Amanda and SCHMITZ, Mark, Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725, amandalaib@u.boisestate.edu
2
447
PHYSICAL UNMIXING DURING FORMATION OF MAGMATIC STRUCTURES AND IMPLICATIONS FOR WHOLE ROCK ELEMENT AND ISOTOPE CHEMISTRY AT POHOLE DOME, SIERRA NEVADA, CA
GROSS, M. Benjamin1, PATERSON, Scott R.1 and MEMETI, Valbone2, (1)Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Zumberge Hall of Science (ZHS), Los Angeles, CA 90089-0740, (2)Dept. of Earth Sciences, Durham University, Durham, DH1 3LE, United Kingdom, martinbg@usc.edu
3
448
DECONVOLUTING MAGMA MIXING AND SOURCE CHARACTERISTICS OF A LONG LIVED (~9 M.Y.) SIERRA NEVADA MAGMATIC COMPLEX: O, HF AND TRACE ELEMENTS OF ZIRCON FROM THE JOHN MUIR SUITE
LACKEY, Jade Star1, MILLER, Jonathan S.2, DAVIES, Gareth R.3, EISENBERG, Jane L.4 and MURPHY, Benjamin S.4, (1)Geology Department, Pomona College, Claremont, CA 91711, (2)Department of Geology, San Jose State University, San Jose, CA 95192-0102, (3)Department of Petrology, VU University Amsterdam, De Boelelaan 1085, Amsterdam, 1081HV, Netherlands, (4)Geology Department, Pomona College, 185 E. 6th St, Claremont, CA 91711, JadeStar.Lackey@pomona.edu
4
449
PRELIMINARY RESULTS OF GEOLOGIC MAPPING OF DURWOOD AND FAIRVIEW ROOF PENDANTS, SIERRA NEVADA BATHOLITH (FAIRVIEW QUADRANGLE), TULARE COUNTY, CALIFORNIA
MARTINDALE, Zachary S., KAESS, Alyssa B., RAMIREZ, Alyssa, ANDREWS, Graham D.M. and BROWN, Sarah R., Department of Geology, California State University Bakersfield, 9001 Stockdale Highway, Bakersfield, CA 93311, zacharymartindale@yahoo.com
5
450
FIELD OBSERVATIONS FROM THE SONORA PASS INTRUSIVE SUITE: STRUCTURE AND CONSTRUCTION OF A CRETACEOUS ZONED INTRUSIVE SUITE IN THE CENTRAL SIERRA NEVADA BATHOLITH, CALIFORNIA
LEOPOLD, Monika1, SENDEK, Callie2, MILLER, Robert B.2, MILLER, Jonathan S.3 and BAKER, Natalie2, (1)Department of Geology, San Jose State University, One Washington Square, San Jose, CA 95192, (2)Department of Geology, San José State University, One Washington Square, San Jose, CA 95192-0102, (3)Department of Geology, San Jose State University, San Jose, CA 95192-0102, monika.leopold@sjsu.edu
6
451
TEMPERATURE VARIATIONS ALONG STRATIGRAPHIC HEIGHT ACROSS THE BUSHVELD COMPLEX WITH IMPLICATIONS FOR MAGMA CHAMBER PROCESSES IN LAYERED INTRUSIONS
SUN, Chenguang1, LIANG, Yan1, ASHWAL, Lewis2 and VANTONGEREN, Jill3, (1)Department of Geological Sciences, Brown University, Providence, RI 02912, (2)School of Geosciences, University of the Witwatersrand, Johannesburg, 2050, South Africa, (3)Department of Geology and Geophysics, Yale University, New Haven, CT 06520, Chenguang_Sun@brown.edu
7
452
COMPLEX PETROGENETIC LINEAGES DEFINED BY THERMOCHEMICAL MODELING: THE MAGMA CHAMBER SIMULATOR AS A TOOL FOR UNRAVELING A MAGMA FAMILY TREE
BOHRSON, Wendy A., Department of Geological Sciences, Central Washington University, 400 E. University Way, Ellensburg, WA 98926, SPERA, Frank J., Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106 and GHIORSO, Mark S., OFM Research-West, 7336 24th Ave NE, Seattle, WA 98115, bohrson@geology.cwu.edu
8
453
TECTONIC SETTING AND EVOLUTION OF LATE MIOCENE VOLCANISM AT MIDDLE CAUCA BASIN, COLOMBIA
BORRERO, Carlos A., Geology Dept, Caldas University, Calle 65 # 26-10, Manizales, 57, Colombia, TORO, Luz Mary, Geology Dept, Caldas University, Calle 65 #26-10, Manizales, 57, Colombia, GUZMAN, Jaime, Consultant Geologist, Pereira, 120, Colombia, KAY, Suzanne Mahlburg, EAS, Cornell University, Ithaca, NY 14853 and VARGAS, Carlos, Department Of Geosciences, National University, Bogota, 180, Colombia, borrero_c@yahoo.com
9
454
HIGH-PRECISION PB ISOTOPES REVEAL TWO SMALL MAGMA BODIES BENEATH THE SUMMIT OF KILAUEA VOLCANO
PIETRUSZKA, A.J., U.S. Geological Survey, Denver Federal Center, Denver, CO 80225, HEATON, D.E., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, MARSKE, J.P., Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015 and GARCIA, M.O., Department of Geology and Geophysics, University of Hawaii, Honolulu, HI 96822, apietruszka@usgs.gov
10
455
UNDERSTANDING MAGMATIC PROCESSES AT TELICA VOLCANO, NICARAGUA: CRYSTAL SIZE DISTRIBUTION AND TEXTURAL ANALYSIS
WITTER, Molly1, FURMAN, Tanya2, LA FEMINA, Peter3 and GEIRSSON, H.2, (1)Department of Geosciences, Pennsylvania State University, 333 Deike Building, University Park, PA 16802, (2)Department of Geosciences, Pennsylvania State University, University Park, PA 16802, (3)Department of Geosciences, The Pennsylvania State University, 406 Deike Building, University Park, PA 16802, mrw254@psu.edu
11
456
TIME SCALES OF CONTINENTAL ARC ROOT CONSTRUCTION AND DEEP CRUSTAL MAGMATIC FLUX RATES: INSIGHTS FROM U-PB ZIRCON GEOCHRONOLOGY OF A TRIASSIC-CRETACEOUS ARC, FIORDLAND, NEW ZEALAND
SADORSKI, Joseph Frank, Department of Geological Sciences, California State University Northridge, Northridge, CA 91324, SCHWARTZ, Joshua J., Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330, STOWELL, Harold H., Department of Geological Sciences, University of Alabama, Tuscaloosa, AL 35487, KLEPEIS, Keith A., Geology, University of Vermont, Trinity Campus, Burlington, VT 05405, TULLOCH, Andrew, Institute of Geol & Nuclear Sciences, 764 Cumberland St, Dunedin, New Zealand and COBLE, Matthew A., Department of Geological Sciences, Stanford University, Stanford, CA 94305, jfsadorski@yahoo.com
12
457
EVIDENCE OF PULSED CONSTRUCTION OF A MID-TERTIARY LACCOLITH BY DISTINGUISHING COMPONENT MAGMAS AT MOUNT PENNELL, HENRY MOUNTAINS, UTAH
WARD, Mitchell, Geological Sciences, East Carolina University, 101 Graham Building, Greenville, NC 27858 and HORSMAN, Eric, Dept. of Geological Sciences, East Carolina University, Greenville, NC 27858, wardmi11@students.ecu.edu
13
458
MULTIPLE SHEET MAGMA EMPLACEMENT IN THE MAIDEN CREEK SILL, HENRY MOUNTAINS, UTAH
SCHANER, Megan, Earth & Atmospheric Sciences, Central Michigan University, 320 Brooks Hall, Mt. Pleasant, MI 48859, MORGAN, Sven, Department of Earth and Atmospheric Sciences, Central Michigan University, 314 Brooks Hall, Mount Pleasant, MI 48859 and HORSMAN, Eric, Dept. of Geological Sciences, East Carolina University, Greenville, NC 27858, schan2ml@cmich.edu
14
459
THE VOLCANIC ROCKS OF MOUNT PERSIS: AN EOCENE CONTINENTAL ARC THAT CONTAINS ADAKITIC MAGMAS
MACDONALD Jr., James H., Marine & Ecological Sciences, Florida Gulf Coast University, 10501 FGCU Blvd South, Ft. Myers, FL 33965, DRAGOVICH, Joe D., Washington State Department of Natural Resources, Geology and Earth Resources Division, 1111 Washington St SE, PO Box 47007, Olympia, WA 98504-7007, LITTKE, Heather A., Washington Department of Natural Resources, Geology and Earth Resources Division, 1111 Washington St SE, PO Box 47007, Olympia, WA 98504-7007, ANDERSON, Megan, Geology Dept, Colorado College, 14 E. Cache La Poudre St, Colorado Springs, CO 80903 and DUFRANE, S. Andrew, Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada, jmacdona@fgcu.edu
15
460
USE OF AUGITE TO CHARACTERIZE TRACE ELEMENT CONCENTRATIONS IN CONTEMPORANEOUS JURASSIC ARC AND REMNANT ARC MAGMAS: THE CHETCO COMPLEX AND GRAYBACK PLUTON, KLAMATH MOUNTAINS, OREGON
WEISS, Rachel B., Department of Geosciences, Texas Tech University, 2617 28th st, Lubbock, TX 79410, BARNES, Calvin G., Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053 and BARNES, Melanie A., Department of Geosciences, Texas Tech University, Lubbock, TX 79409, rachel.b.weiss@ttu.edu
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