Session: Illuminating Felsic Origins: Using Novel Multiple-Method Approaches to Investigate the Birth of Silicic Magmas (2013 GSA Annual Meeting in Denver: 125th Anniversary of GSA (27-30 October 2013))

Introductory Remarks
Abstract ID#: 234369

FROM HELL TO THE HIMALAYA: 4.4 BILLION YEARS OF TERRESTRIAL FELSIC MAGMATISM
Abstract ID#: 223347

HARRISON, T. Mark, Department of Earth and Space Sciences, UCLA, Los Angeles, CA 90095-1567, tmh@argon.ess.ucla.edu

PAIRING AGES AND ISOTOPES IN THE ICELANDIC ZIRCON RECORD: ADDING CRITICAL INSIGHT TO FELSIC PETROGENESIS WITH U-PB, U-TH, O AND HF
Abstract ID#: 232583

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, tamara.l.carley@vanderbilt.edu, (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 Street, 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

BIRTH OF SILICIC MAGMAS AT EYJAFJALLAJöKULL VOLCANO, ICELAND
Abstract ID#: 224821

SIGMARSSON, Olgeir, Laboratoire Magmas et Volcans, CNRS Blaise Pascal University, 5, rue Kessler, Clermont-Ferrand 63038 France, olgeir@hi.is

STABLE-ISOTOPIC CONSTRAINTS ON THE ORIGIN OF AN S-TYPE GRANITE IN THE SESIA VALLEY OF THE NORTHWESTERN ITALIAN ALPS
Abstract ID#: 233096

RICHARDS, Ian J.¹, QUICK, James E.², GREGORY, Robert T.³, SINIGOI, Silvano⁴, and SBISA, Andrea⁴, (1) Stable Isotope Laboratory and Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275-0395, irichard@smu.edu, (2) Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275-4235, (3) Stable Isotope Laboratory and Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275-0395, (4) Universita di Trieste, Via Weiss 8, Trieste, 34127, Italy

Break
Abstract ID#: 234370

GEOCHEMICAL SOCIETY INGERSON LECTURE: THE ORIGIN OF HIGHLY EVOLVED, VOLUMINOUS RHYOLITES BY PROGRESSIVE, MULTIPLE EPISODES OF PARTIAL MELTING: THE RESOLUTION OF SOME PARADOXES
Abstract ID#: 233845

LANGE, Rebecca A., Department of Earth and Environmental Sciences, Univ Michigan, 425 E University, Ann Arbor, MI 48109, becky@umich.edu

OXYGEN ISOTOPE CONSTRAINTS ON MID-MIOCENE RHYOLITE PRODUCTION IN THE SANTA ROSA-CALICO VOLCANIC FIELD, NV
Abstract ID#: 229398

AMRHEIN, Kate E.¹, BRUESEKE, Matthew E.¹, and LARSON, Peter B.², (1) Department of Geology, Kansas State University, Manhattan, KS 66506, amrheink@ksu.edu, (2) School of the Environment, Washington State University, Pullman, WA 99164-2812

RADIOGENIC INGROWTH OF ⁴⁰CA FROM DECAY OF ⁴⁰K PROVIDES A POWERFUL TRACER FOR UNDERSTANDING THE ORIGINS OF FELSIC MAGMAS
Abstract ID#: 231998

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, ryan.d.mills@nasa.gov, (2) Earth and Planetary Science, University of California, Berkeley, 301 McCone Hall, Berkeley, CA 94720-4767, (3) Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, NW E 83.3, Zurich, 8092, Switzerland

MATRIX CALCULATIONS AND DISCRIMINATION DIAGRAMS REVEAL THE ORIGIN OF DOKHAN VOLCANICS, EASTERN DESERT OF EGYPT
Abstract ID#: 232487

LONG, Leon E., Department of Geological Sciences, Jackson School of Geosciences, University of Texas, Austin, TX 78712, leonlong@jsg.utexas.edu and HASSAN, Adel M., Department of Geology, Tanta University, Tanta, Egypt

Break
Abstract ID#: 234372

FIRST NANOSIMS ANALYSIS OF NANOGRANITES: THE WATER CONTENT OF GRANITIC MAGMA EMBRYOS
Abstract ID#: 224317

BARTOLI, Omar¹, CESARE, Bernardo¹, REMUSAT, Laurent², ACOSTA-VIGIL, Antonio³, and POLI, Stefano⁴, (1) Department of Geosciences, University of Padua, Padova, 35131, omar.bartoli@libero.it, (2) Muséum National d'Histoire Naturelle, Paris, 75005, (3) Instituto Andaluz de Ciencias de la Tierra, CSIC, Granada, 18002, Spain, (4) Department of Earth Sciences, University of Milan, Milan, 20133

COMPOSITE PLUTONS, COMPOSITE ZIRCONS: GEOCHRONOLOGICAL AND GEOCHEMICAL PERSPECTIVES ON ZIRCON STRATIGRAPHY AND MAGMA EVOLUTION FROM U-PB TIMS-TEA
Abstract ID#: 229026

SAMPERTON, Kyle M.¹, SCHOENE, Blair¹, COTTLE, John M.², CROWLEY, James L.³, and SCHMITZ, Mark D.³, (1) Department of Geosciences, Princeton University, 208 Guyot Hall, Washington Road, Princeton, NJ 08544-1003, ksampert@princeton.edu, (2) Department of Earth Science, University of California-Santa Barbara, 2028 Webb Hall, Santa Barbara, CA 93106-9630, (3) Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535

FROM CRYSTAL TO CRUSTAL-SCALE: ORIGINS OF "NORMAL" AND RECYCLED RHYOLITES, MICRO-ISOTOPIC EVIDENCE AND NUMERICAL MODELS
Abstract ID#: 222747

BINDEMAN, Ilya N., Geological Sciences, University of Oregon, Eugene, OR 97403, bindeman@uoregon.edu and SIMAKIN, Alexander, Institute of Physics of the Earth, B. Gruzinskaya 10, Moscow, 123995, Russia

IN SITU CRYSTALLIZATION DIFFERENTIATION WITHIN A BI-MODAL GRANITE-GABBRO COMPLEX: AN EXAMPLE FROM THE GUADALUPE IGNEOUS COMPLEX, SIERRA NEVADA BATHOLITH, CALIFORNIA
Abstract ID#: 226991

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, paterson@usc.edu, (3) Department of Earth & Environmental Sciences, California State University, Fresno, CA 93740, (4) Geosciences, Univ of Arizona, Tucson, AZ 85721

Discussion
Abstract ID#: 234371

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

218.
T218. Illuminating Felsic Origins: Using Novel Multiple-Method Approaches to Investigate the Birth of Silicic Magmas