2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

Session No. 227
Tuesday, 3 November 2015: 9:00 AM-6:30 PM
Exhibit Hall (Baltimore Convention Center)

T163. A Matter of Perspective: Integrating Macro- and Micro-Scale Evidence in Investigations of Magmatic Origins and Histories (Posters)

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Mineralogical Society of America; Geochemical Society; GSA Planetary Geology Division
Authors will be present from 4:30 to 6:30 PM.
Paper #
Booth #
359
CALIBRATING BACKSCATTERED ELECTRON IMAGE GRAYSCALE VALUES WITH MINERAL COMPOSITIONS TO GENERATE PHASE COMPOSITION MAPS AT THE THIN SECTION SCALE
WILLIS, Kyle V.1, SROGI, LeeAnn1, LUTZ, Tim1, MARTINSON, Peter J.2 and POLLOCK, Meagen3, (1)Department of Geology and Astronomy, West Chester University, 720 S Church St, West Chester, PA 19383, (2)Department of Geology & Astronomy, West Chester University, 720 S Church St, West Chester, PA 19383, (3)Department of Geology, The College of Wooster, 944 College Mall, Wooster, OH 44691, jw741628@wcupa.edu
360
GAINING INSIGHT INTO MAGMA CRYSTALLIZATION PROCESSES BY IMAGING SPATIAL DISTRIBUTIONS OF MINERALS AND MINERAL COMPOSITIONS USING COMPOSITION-CALIBRATED, GRAYSCALE-THRESHOLDED BACKSCATTERED ELECTRON IMAGES OF THIN SECTIONS
SROGI, LeeAnn1, WILLIS, Kyle V.1, LUTZ, Tim1, MARTINSON, Peter J.2 and POLLOCK, Meagen3, (1)Department of Geology and Astronomy, West Chester University, 720 S Church St, West Chester, PA 19383, (2)Department of Geology & Astronomy, West Chester University, 720 S Church St, West Chester, PA 19383, (3)Department of Geology, The College of Wooster, 944 College Mall, Wooster, OH 44691, lsrogi@wcupa.edu
361
MAGMATIC PROCESSES REVEALED BY CRYSTAL TEXTURES, ELDEN MOUNTAIN LAVA DOME, NORTHERN ARIZONA
SAALFELD, Megan A., School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86001, mas635@nau.edu
362
NEW DATA FOR THE 201-MA JACKSONWALD LAVA FLOW, NEWARK BASIN, PENNSYLVANIA: FLOW CHARACTERISTICS, PETROGRAPHY, AND MINERAL CHEMISTRY
LEFLAR, Emma1, NOONE, Michael1, OLSEN, Danielle1, SROGI, LeeAnn1, LUTZ, Tim1 and POLLOCK, Meagen2, (1)Department of Geology and Astronomy, West Chester University, 720 S Church St, West Chester, PA 19383, (2)Department of Geology, The College of Wooster, 944 College Mall, Wooster, OH 44691, EL757089@wcupa.edu
363
COMPLEX CRUSTAL PROCESSES RECORDED IN PLAGIOCLASE PHENOCRYSTS IN A SINGLE FLOW IN THE POISON LAKE CHAIN, LASSEN REGION, SOUTHERN CASCADES
ANDERSON, Samantha J.1, WENNER, Jennifer M.1 and TEASDALE, Rachel2, (1)Geology Department, Univ of Wisconsin Oshkosh, 800 Algoma Blvd, Oshkosh, WI 54901, (2)Geological & Environmental Sciences, CSU Chico, Chico, CA 95929-0205, anders05@uwosh.edu
364
CRUSTAL PROCESSING RECORDED BY PLAGIOCLASE IN EVOLVED BASALTS OF BOGARD BUTTES IN THE POISON LAKE CHAIN, LASSEN REGION, CALIFORNIA
MCLEOD, Jennifer R., Department of Geology, University of Wisconsin Oshkosh, 800 Algoma Blvd, Oshkosh, WI 54901, WENNER, Jennifer M., Geology Department, Univ of Wisconsin Oshkosh, 800 Algoma Blvd, Oshkosh, WI 54901 and TEASDALE, Rachel, Geological & Environmental Sciences, CSU Chico, Chico, CA 95929-0205, mcleoj31@uwosh.edu
365
TRACE ELEMENT VARIATION IN PLAGIOCLASE PHENOCRYSTS FROM IGNIMBRITES FROM THE MOGOLLON-DATIL VOLCANIC FIELD, SOUTHERN NEW MEXICO, USA: INSIGHTS INTO THE PROCESSES AND TIMESCALES OF MAGMATISM
SALINGS, Emily E.1, MICHELFELDER, Gary S.2 and SIKES, Eric1, (1)Department of Geography, Geology, and Planning, Missouri State University, 901 S. National Ave, Springfield, MO 65897, (2)Department of Geography, Geology and Planning, Missouri State University, 901 S. National Ave, Springfield, MO 65897, Salings145@live.missouristate.edu
366
EXAMINING ASH FALL SEQUENCES IN CALK-ALKALINE SUBDUCTION RELATED VOLCANISM, SOUTHERN NEW MEXICO
RENTZ, Shannon P.1, MICHELFELDER, Gary S.2, SALINGS, Emily E.3 and SIKES, Eric3, (1)Department of Geography Geology and Planning, Missouri State University, Springfield, MO 65897, (2)Department of Geography, Geology and Planning, Missouri State University, 901 S. National Ave, Springfield, MO 65897, (3)Department of Geography, Geology, and Planning, Missouri State University, 901 S. National Ave, Springfield, MO 65897, spr42@live.missouristate.edu
367
STRATIGRAPHIC UNIFORMITY OF THE MULTIPLE SULFUR ISOTOPE COMPOSITION OF THE BUSHVELD COMPLEX
MAGALHAES, Nivea1, PENNISTON-DORLAND, Sarah1, FARQUHAR, James1 and MATHEZ, Edmond A.2, (1)Department of Geology, University of Maryland, College Park, MD 20742, (2)Earth and Planetary Sciences, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024-5192, Nivea@umd.edu
368
MULTIPLE SULFUR ISOTOPE STUDY SUGGESTS CRUSTAL CONTAMINATION IN THE MOLOPO FARMS COMPLEX, SOUTH AFRICA
DRAPER, Cody1, RENUSCH, Jefferson2, MAGALHAES, Nivea3, PENNISTON-DORLAND, Sarah3, BYBEE, Grant4 and FEINEMAN, Maureen5, (1)Jackson School of Geosciences, The University of Texas, Austin, TX 78705, (2)Department of Geology, Wayne State University, 42 W Warren Ave, Detroit, MI 48202, (3)Department of Geology, University of Maryland, College Park, MD 20742, (4)School of Geosciences, University of the Witswatersrand, 1 Jan Smuts Avenue & Jorissen Street, Braamfontein, Johannesburg, 2000, South Africa, (5)Department of Geosciences, The Pennsylvania State University, University Park, PA 16802, cody.draper@utexas.edu
369
MAGNETIC FABRIC AND PROPERTY CHARACTERIZATION OF UPPERMOST FOLIATED GABBROS FROM THE OMAN OPHIOLITE
TRUTNER, Sarah and HORST, Andrew J., Department of Geology, Oberlin College, Oberlin, OH 44074, strutner@oberlin.edu
370
PETROGRAPHY, GEOCHEMISTRY, AND GEOTHERMOMETRY OF XENOLITHS AND XENOCRYSTS FROM THE FANCY CREEK KIMBERLITE, RILEY COUNTY, KANSAS
ROBERTSON, Clay Henry1, KEMPTON, Pamela1, BRUESEKE, Matthew E.1, ALLAZ, Julien M.2 and SPENCER, Trevor1, (1)Department of Geology, Kansas State University, Manhattan, KS 66506, (2)Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, Boulder, CO 80309-0399, clayr22@ksu.edu
371
ALEUTIAN ISLAND ARC MAGMAGENESIS REVISTED: GEOCHEMICAL EVIDENCE FROM UNALASKA VOLCANIC AND PLUTONIC ROCKS
TRIM, Charelle1, PERFIT, Michael1 and MUELLER, Paul A.2, (1)Geological Sciences, University of Florida, Gainesville, FL 32611, (2)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, charellestrim@ufl.edu
372
LINKING LITHICS TO LAVAS: INSIGHTS FROM PLUTONIC LITHICS AT THE AKAROA VOLCANIC COMPLEX, BANKS PENINSULA, NZ
DIPADOVA, Emily A., Smith College, 1 Chapin Way, Northampton, MA 01063, BEANE, Rachel, Geology, Bowdoin College, 6800 College Station, Brunswick, ME 04011, GRAVLEY, Darren M., Frontiers Abroad Aotearoa, 3 View Terrace, Cass Bay, Christchurch, 8082, New Zealand and HAMPTON, Samuel J., Geological Sciences and Frontiers Abroad, University of Canterbury, Private Bag 4800, Christchurch, 8140, New Zealand, edipadova@smith.edu
373
SHALLOW MAGMATIC RECHARGE IN AN INTRAPLATE VOLCANIC COMPLEX, AKAROA, BANKS PENINSULA, NEW ZEALAND
BECKHAM, Emily Christine, Geological Sciences, Colorado College, WB 2100, Colorado College, 902 North Cascade Avenue, Colorado Springs, CO 80946, HAMPTON, Samuel, Geological Sciences, University of Canterbury, Christchurch, 8140, New Zealand, GRAVLEY, Darren, Christchurch, New Zealand, NOBLETT, Jeff, Geological Sciences, Colorado College, 902 North Cascade Ave, Colorado Springs, CO 80946, DEERING, Chad D., Geological and Mining Engineering and Sciences, Michigan Technologial University, Houghton, MI 49931-1295 and GUALDA, Guilherme, Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, emily.beckham@coloradocollege.edu
374
A CRETACEOUS VOLCANIC FEEDER SYSTEM AT TIOGA PASS: INSIGHTS INTO VOLCANIC-PLUTONIC LINKS IN THE CENTRAL SIERRA NEVADA
ARDILL, Katie E. and PATERSON, Scott R., Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Zumberge Hall of Science (ZHS), Los Angeles, CA 90089-0740, kardill@usc.edu
375
MARINE VOLCANICLASTIC RECORD OF SUBDUCTION INCEPTION AND EARLY SIERRAN ARC EVOLUTION, RITTER RANGE PENDANT, CALIFORNIA
BARTH, A.P., Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202, WOODEN, J.L., U.S Geological Survey, Menlo Park, CA 94025, RIGGS, N.R., Geology, School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011-4099, WALKER, J.D., Geology, Univ of Kansas, 120 Lindley Hall, Lawrence, KS 66045 and JACOBSON, C.E., Iowa State University, Ames, IA 50011, ibsz100@iupui.edu
376
TEN MILLION YEARS OF FLUID FLOW THROUGH THE ALTA STOCK DRIVEN BY INCREMENTAL EMPLACEMENT OF THE LITTLE COTTONWOOD STOCK, WASATCH, UTAH
STEARNS, Michael A., Geology and Geophysics, University of Utah, 135 S 1460 E, Salt Lake City, UT 84112-0111, BOWMAN, John R., Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, BARTLEY, John M., Department of Geology and Geophysics, Univ of Utah, 115 S. 1460 E, Rm 383 FASB, Salt Lake City, UT 84112 and FERNANDEZ, Diego P., Geology and Geophysics, University of Utah, Frederick Albert Sutton Building, 115 S. 1460 E. Rm 383, Salt Lake City, UT 84112, michael.a.stearns@gmail.com
377
TESTING GEOCHEMICAL HOMOGENEITY OF INCREMENTALLY EMPLACED SILLS AND LACCOLITHS, HENRY MOUNTAINS, UTAH
HORSMAN, Eric, Dept. of Geological Sciences, East Carolina University, Greenville, NC 27858, GIORGIS, Scott D., Dept of Geological Sciences, State University of New York at Geneseo, 1 College Circle, Geneseo, NY 14454, MORGAN, Sven S., Earth and Atmospheric Sciences, Central Michigan Univ, 314 Brooks Hall, Mt. Pleasant, MI 48859 and DE SAINT BLANQUAT, Michel, Observatoire Midi-Pyrénées, CNRS/Université Paul-Sabatier, UMR 5563 / LMTG, Toulouse, 1234, France, horsmane@ecu.edu
378
USING PRESERVED SECULAR VARIATION TO CONSTRAIN EMPLACEMENT DURATION IN LARGE SCALE SILLS, COPPER RIDGE INTRUSION, MT ELLEN, HENRY MOUNTAINS, UT
BRAUNAGEL, Michael1, GIORGIS, Scott1 and HORSMAN, Eric2, (1)Geological Sciences, SUNY Geneseo, 1 College Circle, Geneseo, NY 14454, (2)Dept. of Geological Sciences, East Carolina University, Greenville, NC 27858, mjb40@geneseo.edu
379
PALEOMAGNETIC CONSTRAINTS ON THE DURATION OF LACCOLITH GROWTH, TRACHYTE MESA INTRUSION, HENRY MOUNTAINS, UT
ROST, Rebecca1, GIORGIS, Scott1 and HORSMAN, Eric2, (1)Geological Sciences, SUNY Geneseo, 1 College Circle, Geneseo, NY 14454, (2)Dept. of Geological Sciences, East Carolina University, Greenville, NC 27858, rr17@geneseo.edu
380
RAPID EMPLACEMENT AND GROWTH OF A RHYOLITIC INTRUSION: THE WOODVILLE HILL LACCOLITH, BLACK HILLS IGNEOUS PROVINCE, SOUTH DAKOTA
HACKER, David B., Department of Geology, Kent State University, 221 McGilvrey Hall, Kent, OH 44242 and DASGUPTA, Tathagata, Geology, Kent State University, Kent, OH 44242, dhacker@kent.edu
381
ALMANDINE GARNET BEARING RHYOLITE OF THE WOODVILLE HILL LACCOLITH, NORTHERN BLACK HILLS IGNEOUS PROVINCE, SOUTH DAKOTA: RAPID ASCENT OF MAGMA FROM LOWER CRUSTAL LEVEL
DSGUPTA, Tathagata and HACKER, David B., Department of Geology, Kent State University, 221 McGilvrey Hall, Kent, OH 44242, tdasgupt@kent.edu
382
CRETACEOUS GRANITIC MAGMATISM IN NORTHWESTERN NEVADA: PETROGENETIC INSIGHTS INTO REGIONAL CORDILLERAN ARC FLARE-UP
BROWN, Kenneth, Department of Geology and Environmental Earth Science, Miami University, 133 Culler Hall, Oxford, OH 45056 and HART, William K., Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056, brownkl3@miamioh.edu
383
MULTI-STAGE EVOLUTION OF THE LATE JURASSIC ENGLISH PEAK PLUTON, KLAMATH MOUNTAINS, CA
BARNES, Calvin G., Dept. of Geosciences, Texas Tech University, Lubbock, TX 79409-1053, ERNST, W.G., Geological and Environmental Sciences, Stanford University, Building 320, Room 118, Stanford, CA 94305-2115, BERRY, Ryan, Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053 and TSUJIMORI, Tatsuki, Center for Northeast Asian Studies, Tohoku University, Miyagi, Sendai, 980-8576,, Japan, cal.barnes@ttu.edu
384
MAGMATIC RECYCLING DURING CONSTRUCTION OF A BATHOLITH
MARTINEZ, Ana Maria, Department of Earth and Biological Sciences, Loma Linda University, Griggs Hall, 11175 Campus Street, Loma Linda, CA 92350, CLAUSEN, Benjamin L., Geoscience Research Institute, Department of Earth and Biological Sciences, Loma Linda University, Loma Linda, CA 92350, MEMETI, Vali, Department of Geological Sciences, California State University Fullerton, 800 N State College Blvd, Fullerton, CA 92831 and PATERSON, Scott R., Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Zumberge Hall of Science (ZHS), Los Angeles, CA 90089-0740, anai2912@gmail.com
385
FORMATION OF HYBRID MELTS VIA MAGMA MIXING IN THE CAPE ANN PLUTONIC COMPLEX, MASSACHUSETTS USA
DOMINO, Jessica Rose, Geology and Environmental Science, Hartwick College, 1 HARTWICK DRIVE, oneonta, NY 13820 and JOHNSON, Eric L., Geology and Environmental Sciences, Hartwick College, Oneonta, NY 13820, DominoJ@hartwick.edu
386
USING ZIRCON TRACE ELEMENT GEOCHEMISTRY TO ELUCIDATE PALEOTECTONIC SETTINGS OF THE LATE ORDOVICIAN MILLBRIG AND DEICKE K-BENTONITES, CENTRAL TENNESSEE, USA
MCDOWELL, Susanne M., Geology, Hanover College, 484 Ball Drive, Hanover, IN 47243, BRUECKNER, Alex C., Oregon State University, Corvallis, OR 97331 and MILLER, Calvin F., Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, mcdowell@hanover.edu
387
HISTORY OF SILICIC MAGMATISM IN ICELAND ILLUMINATED BY ISOTOPES (U-PB, U-TH, O, HF) IN THE ZIRCON RECORD
CARLEY, Tamara L., Geology and Environmental Geosciences, Lafayette College, 116 Van Wickle Hall, Easton, PA 18042, MILLER, Calvin F., Department of Earth & Environmental Sciences, Vanderbilt University, Nashville, TN 37235, COBLE, Matthew A., Department of Geological Sciences, Stanford University, Stanford, CA 94305, BANIK, Tenley J., Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, FISHER, Christopher M., School of the Environment, Washington State University, Pullman, WA 99164, SCHMITT, Axel K., Earth and Space Sciences, University of California-Los Angeles, Los Angeles, CA 90095, JORDAN, Brennan T., Department of Earth Science, University of South Dakota, Vermillion, SD 57069, HANCHAR, John M., Dept of Earth Sciences, Memorial University of Newfoundland, St John's, NF A1B 3X5, Canada, ECONOMOS, Rita C., Earth and Space Sciences, University of California-Los Angeles, Los Angeles, CA 90095-1577 and PADILLA, Abraham De Jesus, Earth & Environmental Sciences, Vanderbilt University, Nashville, TN 37235, carleyt@lafayette.edu
388
GENERATION OF COEVAL THOLEIITIC AND CALC-ALKALINE MAGMAS IN ICELAND: INSIGHTS FROM IN SITU ZIRCON ANALYSES
BANIK, Tenley J., Geography-Geology, Illinois State University, Normal, IL 61790; Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, MILLER, Calvin F., Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, CARLEY, Tamara L., Geology and Environmental Geosciences, Lafayette College, Easton, PA 18042, COBLE, Matthew A., Department of Geological Sciences, Stanford University, Stanford, CA 94305 and FISHER, Christopher M., School of the Environmenet, Washington State University, Pullman, WA 99164, tjbanik@ilstu.edu
389
NEW CONSTRAINTS FROM FIELD MAPPING AND U-PB TIMS GEOCHRONOLOGY ON THE MAGMATIC HISTORY OF THE NEEDLE MOUNTAINS PROTEROZOIC COMPLEX, SOUTHWESTERN COLORADO
KELLER, C. Brenhin, Department of Geosciences, Princeton University, 208 Guyot Hall, Washington Road, Princeton, NJ 08544-1003, MCCULLOCH, Callum, Geology, Carleton College, Northfield, MN 55057 and SCHOENE, Blair, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, cbkeller@princeton.edu
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