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GSA Annual Meeting in Indianapolis, Indiana, USA - 2018

Session No. 276
Wednesday, 7 November 2018: 1:30 PM-5:30 PM
Room 240-241 (Indiana Convention Center)

D55. From Argon to Zircon: New Approaches to Understanding Crustal Magmatism

 

Craig Lundstrom and Michael R. Ackerson, Chairs
Philip Brown, John W. Shervais and Rosemary Hickey-Vargas, JTPCS
Paper #
Start Time
 
1:30 PM
Introductory Remarks
276-1
1:40 PM
PETROCHRONOLOGY, GEOPHYSICS, AND GEOMORPHOLOGY REVEAL DYNAMICS OF AN EXTENSIVE, THERMALLY HETEROGENOUS, SHALLOW SILICIC MAGMA SYSTEM BENEATH LAGUNA DEL MAULE VOLCANIC FIELD, SOUTHERN ANDES (Invited Presentation)
SINGER, Brad S.1, ANDERSEN, Nathan2, LE MEVEL, Helene3, THURBER, Clifford4 and WESPESTAD, Crystal1, (1)Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, (2)Earth Sciences, University of Oregon, 100 Cascade Hall, 1272 University of Oregon, Eugene, OR 97403, (3)Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, Washington DC 20015, Washington DC, WA 20015, (4)Dept. of Geology and Geophysics, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706
276-2
1:55 PM
ARE PLUTONS IGNEOUS OR METAMORPHIC ROCKS? YES. THEY ARE MELTAMORPHIC (Invited Presentation)
COLEMAN, Drew S., Department of Geological Sciences, University of North Carolina, CB# 3315, Chapel Hill, NC 27599-3315, GLAZNER, Allen F., Department of Geological Sciences, University of North Carolina at Chapel Hill, 107 Mitchell Hall CB 3315, Chapel Hill, NC 27599-3315, BARTLEY, John M., Department of Geology and Geophysics, University of Utah, 115 S 1460 E, Salt Lake City, UT 84112 and BOUDREAU, Alan E., Earth & Ocean Sciences, Duke University, Old Chemistry Building, Box 90227, Durham, NC 27708
276-3
2:10 PM
DOES SIZE MATTER? WHAT VARIABLES CONTROL THE THERMAL HISTORY OF MAGMAS? (Invited Presentation)
COOPER, Kari M.1, SCHRECENGOST, Kevin L.1, SCHLIEDER, Tyler1, BRADSHAW, Richard W.2, KENT, Adam J.R.3 and HUBER, Christian4, (1)Earth and Planetary Sciences, UC Davis, 1 Shields Ave, Davis, CA 95616, (2)College of Earth, Ocean & Atmospheric Sciences, Oregon State University, 104 Wilkinson Hall, Corvallis, OR 97331, (3)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, (4)Department of Earth, Environmental & Planetary Science, Brown University, 324 Brook St., Box 1846, Providence, RI 02912
 
2:25 PM
Discussion
276-4
2:40 PM
MASSIVE, RAPID MELTING OF THE CRUST AND THE GENERATION OF DISEQUILIBRIUM AND EQUILIBRIUM MELTING FACIES, MCMURDO DRY VALLEYS, ANTARCTICA
CURRIER, Ryan, University of Wisconsin Green Bay, 2420 Nicolet Dr, Green Bay, WI 54311 and FLOOD, Tim P., Department of Geology, Saint Norbert College, 100 Grant St, De Pere, WI 54115
276-5
2:55 PM
USING NOBLE GASES TO DETERMINE MAGMA SOURCES IN THE WEST ANTARCTIC RIFT SYSTEM
MALETIC, Erica Lynn, School of Earth Sciences, The Ohio State University, 125 South Oval Mall, Columbus, OH 43210 and DARRAH, Thomas H., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210
276-6
3:10 PM
IS MAFIC RECHARGE NECESSARY TO TRIGGER ANDESITIC VOLCANIC ERUPTIONS? NEW INSIGHTS FROM FELDSPAR AND PYROXENE THERMOBAROMETRY
PLATT, Bryant, California State University Fresno, Dept. of Earth and Env. Science, 863 W. Euclid Ave, Clovis, CA 93612 and PUTIRKA, Keith, Department of Earth and Environmental Sciences, California State University - Fresno, 2345 E. San Ramon Ave, MS/MH24, Fresno, CA 93720
276-7
3:25 PM
CONTINUOUSLY CHANGING COMPOSITION OF QUARTZ-ALBITE SATURATED MELTS FROM 819 TO 330°C IN THE NA2O-AL2O3-SIO2-H2O SYSTEM AT 0.1 GPA
LUNDSTROM, Craig C., Dept of Geology, Univ of Illinois, 1301 W Green St, Urbana, IL 61801
 
3:40 PM
Break
276-8
3:55 PM
THE USE OF MIXING MODELS TO CONSTRAIN ZIRCON CRYSTALLIZATION HISTORIES
FREY, Holli M., Geology Department, Union College, Schenectady, NY 12308 and MANON, Matthew R.F., Department of Geology, Union College, 807 Union St, Schenectady, NY 12308
276-9
4:10 PM
Withdrawn
276-10
4:25 PM
COMBINED MAJOR AND TRACE ELEMENT GEOCHEMISTRY AND ZIRCON U/PB GEOCHRONOLOGY OF THE ERTSBERG PLUTON, ERTSBERG-GRASBERG MINING DISTRICT, PAPUA, INDONESIA: MAGMA CHAMBER RECHARGE AND MIXING
MAKIS, Jacob1, WAFFORN, Stephanie1, LEYS, Clyde2, WIDODO, Sugeng2, STOCKLI, Daniel F.1 and CLOOS, Mark1, (1)Geological Sciences, University of Texas at Austin, Austin, TX 78712, (2)Exploration Office, PT Freeport Indonesia, Timika, Papua, Indonesia
276-11
4:40 PM
ISOLATION AND BREAK UP OF A MICROCONTINENT IN THE GULF OF CALIFORNIA: FAULT STRUCTURE AND VOLCANIC GEOCHEMISTRY
SABBETH, Leah1, STOCK, Joann1, BROWN, Nathan D.2, MOON, Seulgi2, MARTIN-BARAJAS, Arturo3 and PIÑA-PÁEZ, Adriana4, (1)Division of Geological and Planetary Sciences, California Institute of Technology, Mail Stop 100-23, Pasadena, CA 91125, (2)Department of Earth, Planetary, and Space Science, University of California, Los Angeles, 595 Charles Young Dr. East, Los Angeles, CA 90095, (3)Div. Ciencias de la Tierra, CICESE, PO Box 430222, San Diego, CA 92143--0222, (4)Departamento de Geología, Universidad de Sonora, Hermosillo, SO 83000, Mexico
276-12
4:55 PM
UNVEILING MAGMATIC HISTORY IN THE ASH: USING BENTONITES AS A TIME SENSITIVE PROXY FOR THE EMPLACEMENT OF THE IDAHO BATHOLITH
HANNON, Jeffrey S. and HUFF, Warren D., Department of Geology, University of Cincinnati, PO Box 210013, Cincinnati, OH 45221-0013
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