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GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 77
Monday, 23 September 2019: 8:00 AM-12:00 PM
Room 126ABC, North Building (Phoenix Convention Center)

T25. A Life in Mineralogy and Petrology: A Session in Honor of Robert J. Tracy

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Mineralogical Society of America

 

Kristin M. Dorfler, Michael Brown, Victor Guevara and Nancy L. Ross, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
77-1
8:10 AM
CHEMICAL ZONING IN GARNET AS EVIDENCE FOR THE RAPID EXHUMATION OF UHP ROCKS (Invited Presentation)
CADDICK, Mark J., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061 and TRACY, Robert J., Geosciences, Virginia Tech, Blacksburg, VA 24061
77-2
8:30 AM
COMPOSITIONAL ZONING IN GARNET FROM POINT ANALYSES TO TRACE ELEMENT MAPS: A TRIBUTE TO ROBERT TRACY
STOWELL, Harold H., BOLLEN, Elizabeth M. and ODOM PARKER, Karen, Geological Sciences, University of Alabama, Tuscaloosa, AL 35487
77-3
8:45 AM
GARNET, THE ARCHETYPAL CUBIC MINERAL, DOES NOT GROW CUBIC
CESARE, Bernardo1, NESTOLA, Fabrizio1, JOHNSON, Tim E.2, MUGNAIOLI, Enrico3, DELLA VENTURA, Giancarlo4, PERUZZO, Luca5, BARTOLI, Omar1, VITI, Cecilia6 and ERICKSON, Timmons M.7, (1)Department of Geosciences, University of Padova, Padova, 35131, Italy, (2)School of Earth and Planetary Sciences, Curtin University, GPO Box U1987, Perth, WA 6845, Australia, (3)Istituto Italiano di Tecnologia (IIT), Center for Nanotechnology Innovation@NEST, Pisa, 56127, Italy, (4)Dipartimento di Scienze, Università di Roma Tre, Largo San Leonardo Murialdo 1, Rome, 00146, Italy, (5)Istituto di Geoscienze e Georisorse, CNR, via Gradenigo 6, Padova, 35131, Italy, (6)Department odf Physical Sciences, Earth and Environment, Univ. Siena, Siena, 53100, Italy, (7)Jacobs – JETS, NASA Johnson Space Center, Astromaterials Research and Exploration Science Division, Mailcode XI3, 2101 NASA Parkway, Houston, TX 77058
77-4
9:00 AM
METAMORPHISM ALONG MIGRATING GRAIN BOUNDARIES AND THE EQUILIBRIUM ORIGIN OF SOME MINERAL INCLUSIONS: A TRIBUTE TO THE MEMORY OF BOB TRACY (Invited Presentation)
NACHLAS, William O. and THOMAS, Jay B., Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244
77-5
9:20 AM
A CLOSE-UP ON THE THERMAL STRUCTURE OF THE W. ALPS PALEO-SUBDUCTION ZONE USING GARNET PETROCHRONOLOGY
DRAGOVIC, Besim, School of Earth, Ocean and Environment, University of South Carolina, 701 Sumter Street, EWS 617, Columbia, SC 29208 and ANGIBOUST, Samuel, Institut de Physique du Globe de Paris, Paris, 75005, France
77-6
9:35 AM
DO HIGH-GRADE BLOCKS RECORD THE COOLING OF THE FRANCISCAN SUBDUCTION ZONE?
DAY, Howard W., Department of Earth and Planetary Sciences, University of California, Davis, Davis, CA 95616, MULCAHY, Sean R., Geology Department, Western Washington University, Bellingham, WA 98225, STARNES, Jesslyn K., School of the Environment, Washington State University, Pullman, WA 99164 and APEN, Francisco E., Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106
 
9:50 AM
Break
77-7
10:05 AM
METAMORPHIC PATHS RECORD THE CONTRACTION AND THE EXTENSION THAT LED TO FORMATION OF THE DEATH VALLEY TURTLEBACKS
TRACY, R.J., Dept. of Geosciences, Virginia Tech, Blacksburg, VA 24061, CADDICK, Mark J., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, PAVLIS, Terry L., Geological Sciences, University of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968 and HOLLISTER, Lincoln S., Geosciences, Princeton University, Princeton, NJ 08544
77-8
10:20 AM
ON THE OCCURRENCE OF MESOPROTEROZOIC AMPHIBOLITE-FACIES SAPPHIRINE, SPINEL, PHLOGOPITE, ANORTHITE, AND CORUNDUM IN THE WET MOUNTAINS, COLORADO, USA
PALIN, Richard, Department of Geology and Geological Engineering, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401, PALMER, Zachary, Department of Geology and Geological Engineering, Colorado School of Mines, GOLDEN, CO 80401, HERNANDEZ-URIBE, David, Department of Geology and Geological Engineering, Colorado School of Mines, 1500 Illinois Street, Colorado School of Mines, Golden, CO 80401, HOLM-DENOMA, Christopher S., U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, Denver Federal Center, Denver, CO 80225 and HERNANDEZ MONTENEGRO, Juan David, Geociencias, Universidad Nacional de Colombia, Carrera 45 N° 26-85, 224 Manuel Ancizar Building, Bogota, 110811, Colombia
77-9
10:35 AM
AFTER THEIR ACCRETION TO THE LAURENTIAN MARGIN, ROCKS IN WESTERN CONNECTICUT STAYED DEEP AND HOT FOR 60 MILLION YEARS
DIETSCH, C., Department of Geology, University of Cincinnati, 500 Geology/Physics Bldg, PO Box 210013, Cincinnati, OH 45221-0013
77-10
10:50 AM
CONTRASTING RECORDS OF MONAZITE FLUID ALTERATION IN NORTHERN SCOTLAND
MAKO, Calvin A.1, LAW, Richard D.2, CADDICK, Mark J.2, THIGPEN, J. Ryan3, ASHLEY, Kyle T.4, COTTLE, John M.5 and KYLANDER-CLARK, Andrew6, (1)Geology Department, Bates College, 44 Campus Ave, Carnegie Science Hall, Lewiston, ME 04240, (2)Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, (3)Department of Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40506, (4)Department of Geology and Environmental Science, University of Pittsburgh, 4107 O'Hara St., Pittsburgh, PA 15260, (5)Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106, (6)Dept of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106-9630
77-11
11:05 AM
METAMORPHISM OF THE BUCHAN TYPE-AREA, NE SCOTLAND, AND ITS RELATION TO THE ADJACENT BARROVIAN DOMAIN
PATTISON, David R.M., Department of Geoscience, University of Calgary, Dept Geoscience, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada and GOLDSMITH, Shantal, Earth and Environmental Sciences, Mt. Royal University, Calgary, AB T3E 6K6, Canada
77-12
11:20 AM
THE PRESSURE-TEMPERATURE-TIME HISTORY OF CALEDONIAN KYA-KFS-MUS ASSEMBLAGES FROM LOFOTEN, NORWAY, BASED ON MODELING OF ELEMENTAL ZONING IN GARNET AND 40AR/39AR AGE GRADIENTS IN MUSCOVITE
HAMES, Willis E., Geosciences, Auburn University, Auburn, AL 36849, CADDICK, Mark J., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061 and GLOTOV, Dmitry V., Mathematics and Statistics, Auburn University, Auburn, AL 36849
77-13
11:35 AM
THE INCONGRUENT MELTING AND CRYSTALLIZATION OF AMPHIBOLE: A SECOND PERITECTIC REACTION IN BOWEN’S REACTION SERIES AND ITS PETROLOGIC IMPLICATIONS (Invited Presentation)
BEARD, James S., Virginia Museum of Natural History, Martinsville, VA 24112
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