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Session No. 26
Sunday, 27 October 2013: 8:00 AM-12:00 PM
Room 205 (Colorado Convention Center)

T218. Illuminating Felsic Origins: Using Novel Multiple-Method Approaches to Investigate the Birth of Silicic Magmas

Geochemical Society; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division

 

Susanne M. McDowell, Ayla Pamukcu and Tamara L. Carley, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:05 AM
FROM HELL TO THE HIMALAYA: 4.4 BILLION YEARS OF TERRESTRIAL FELSIC MAGMATISM
HARRISON, T. Mark, Department of Earth, Planetary and Space Sciences, UCLA, Los Angeles, CA 90095-1567, tmh@argon.ess.ucla.edu
2
8:20 AM
PAIRING AGES AND ISOTOPES IN THE ICELANDIC ZIRCON RECORD: ADDING CRITICAL INSIGHT TO FELSIC PETROGENESIS WITH U-PB, U-TH, O AND HF
CARLEY, Tamara L.1, MILLER, Calvin F.1, WOODEN, Joseph L.2, PADILLA, Abraham De Jesus1, SIGMARSSON, Olgeir3, JORDAN, Brennan T.4, FISHER, Christopher M.5, HANCHAR, John M.6, SCHMITT, Axel K.7 and ECONOMOS, Rita7, (1)Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, (2)U.S.G.S.-Stanford Ion Probe Laboratory, Stanford, CA 94305, (3)Laboratoire Magmas et Volcans, CNRS Blaise Pascal University, 5, rue Kessler, Clermont-Ferrand, 63038, France, (4)Department of Earth Sciences, University of South Dakota, 414 E Clark St, Vermillion, SD 57069, (5)School of the Environment, Washington State University, Pullman, WA 99164, (6)Dept of Earth Sciences, Memorial University of Newfoundland, St John's, NF A1B 3X5, Canada, (7)Earth and Space Sciences, University of California, Los Angeles, CA 90095, tamara.l.carley@vanderbilt.edu
3
8:35 AM
BIRTH OF SILICIC MAGMAS AT EYJAFJALLAJöKULL VOLCANO, ICELAND
SIGMARSSON, Olgeir, Laboratoire Magmas et Volcans, CNRS Blaise Pascal University, 5, rue Kessler, Clermont-Ferrand, 63038, France, olgeir@hi.is
4
8:50 AM
STABLE-ISOTOPIC CONSTRAINTS ON THE ORIGIN OF AN S-TYPE GRANITE IN THE SESIA VALLEY OF THE NORTHWESTERN ITALIAN ALPS
RICHARDS, Ian J.1, QUICK, James E.2, GREGORY, Robert T.1, SINIGOI, Silvano3 and SBISA, Andrea3, (1)Stable Isotope Laboratory and Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275-0395, (2)Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275-4235, (3)Universita di Trieste, Via Weiss 8, Trieste, 34127, Italy, irichard@smu.edu
 
9:05 AM
Break
5
9:20 AM
GEOCHEMICAL SOCIETY INGERSON LECTURE: THE ORIGIN OF HIGHLY EVOLVED, VOLUMINOUS RHYOLITES BY PROGRESSIVE, MULTIPLE EPISODES OF PARTIAL MELTING: THE RESOLUTION OF SOME PARADOXES
LANGE, Rebecca A., Department of Earth and Environmental Sciences, Univ Michigan, 425 E University, Ann Arbor, MI 48109, becky@umich.edu
6
9:50 AM
OXYGEN ISOTOPE CONSTRAINTS ON MID-MIOCENE RHYOLITE PRODUCTION IN THE SANTA ROSA-CALICO VOLCANIC FIELD, NV
AMRHEIN, Kate E.1, BRUESEKE, Matthew E.1 and LARSON, Peter B.2, (1)Department of Geology, Kansas State University, Manhattan, KS 66506, (2)School of the Environment, Washington State University, Pullman, WA 99164-2812, amrheink@ksu.edu
7
10:05 AM
RADIOGENIC INGROWTH OF 40CA FROM DECAY OF 40K PROVIDES A POWERFUL TRACER FOR UNDERSTANDING THE ORIGINS OF FELSIC MAGMAS
MILLS, Ryan D.1, SIMON, Justin I.1, DEPAOLO, Donald J.2 and BACHMANN, Olivier3, (1)Center for Isotope Cosmochemistry and Geochronology, Astromaterials Research, NASA, Johnson Space Center, Houston, TX 77058, (2)Earth and Planetary Science, University of California, Berkeley, 301 McCone Hall, Berkeley, CA 94720-4767, (3)Institute of Geochemistry and Petrology, Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, Zürich, 8092, Switzerland, ryan.d.mills@nasa.gov
8
10:20 AM
MATRIX CALCULATIONS AND DISCRIMINATION DIAGRAMS REVEAL THE ORIGIN OF DOKHAN VOLCANICS, EASTERN DESERT OF EGYPT
LONG, Leon E., Department of Geological Sciences, Jackson School of Geosciences, University of Texas, Austin, TX 78712 and HASSAN, Adel M., Department of Geology, Tanta University, Tanta, Egypt, leonlong@jsg.utexas.edu
 
10:35 AM
Break
9
10:50 AM
FIRST NANOSIMS ANALYSIS OF NANOGRANITES: THE WATER CONTENT OF GRANITIC MAGMA EMBRYOS
BARTOLI, Omar, Department of Geosciences, University of Padua, Padova, 35131, CESARE, Bernardo, Department of Geosciences, University of Padua, Padova, 35131, Italy, REMUSAT, Laurent, IMPMC, UMR CNRS 7590, Sorbonne Université, UPMC, IRD and MNHN, Paris, 75005, France, ACOSTA-VIGIL, Antonio, Instituto Andaluz de Ciencias de la Tierra, CSIC, Granada, 18002, Spain and POLI, Stefano, Department of Earth Sciences, University of Milan, Milan, 20133, Italy, omar.bartoli@libero.it
10
11:05 AM
COMPOSITE PLUTONS, COMPOSITE ZIRCONS: GEOCHRONOLOGICAL AND GEOCHEMICAL PERSPECTIVES ON ZIRCON STRATIGRAPHY AND MAGMA EVOLUTION FROM U-PB TIMS-TEA 
SAMPERTON, Kyle M.1, SCHOENE, Blair2, COTTLE, John M.3, CROWLEY, James L.4 and SCHMITZ, Mark D.4, (1)Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, (2)Department of Geosciences, Princeton University, 208 Guyot Hall, Washington Road, Princeton, NJ 08544-1003, (3)Department of Earth Science, University of California-Santa Barbara, 2028 Webb Hall, Santa Barbara, CA 93106-9630, (4)Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, ksampert@princeton.edu
11
11:20 AM
FROM CRYSTAL TO CRUSTAL-SCALE: ORIGINS OF "NORMAL" AND RECYCLED RHYOLITES, MICRO-ISOTOPIC EVIDENCE AND NUMERICAL MODELS
BINDEMAN, Ilya N., Geological Sciences, University of Oregon, Eugene, OR 97403 and SIMAKIN, Alexander, Institute of Physics of the Earth, B. Gruzinskaya 10, Moscow, 123995, Russia, bindeman@uoregon.edu
12
11:35 AM
IN SITU CRYSTALLIZATION DIFFERENTIATION WITHIN A BI-MODAL GRANITE-GABBRO COMPLEX: AN EXAMPLE FROM THE GUADALUPE IGNEOUS COMPLEX, SIERRA NEVADA BATHOLITH, CALIFORNIA
PUTIRKA, Keith1, PATERSON, Scott2, CANCHOLA, Joe A.3, SMITH, Oscar3, TORREZ, Gerardo3 and DUCEA, Mihai4, (1)Department of Earth and Environmental Sciences, California State University - Fresno, 2345 E. San Ramon Ave, MS/MH24, Fresno, CA 93720, (2)Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, (3)Department of Earth & Environmental Sciences, California State University, Fresno, CA 93740, (4)Geosciences, Univ of Arizona, Tucson, AZ 85721, paterson@usc.edu
 
11:50 AM
Discussion
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