GSA 2020 Connects Online

Session No. 201
Thursday, 29 October 2020: 1:30 PM-5:30 PM

T38. From the Micro to Macro in Metamorphic Geology: Constraining Tectono-Metamorphic Processes with High-Resolution Approaches

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

 

Freya R. George, Adrian E. Castro and Joseph Browning-Hanson, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
TRACKING MAGNETITE GROWTH DURING FLUID ROCK INTERACTIONS WITH (U-TH)/HE THERMOCHRONOLOGY (Invited Presentation)
COOPERDOCK, Emily1, STOCKLI, Daniel F.2, KELEMEN, Peter3 and DE OBESO, Juan Carlos3, (1)Department of Earth Sciences, University of Southern California, los angeles, CA 90089, (2)Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712, (3)Lamont Doherty Earth Observatory, Columbia University, Palisades, NY 10964
1:50 PM
QUANTITATIVE MAPPING OF TI-IN-QUARTZ FOR THERMOBAROMETRY: APPLICATION TO HIGH-PRESSURE GRANULITE
FUMES, Regiane Andrade1, LANARI, Pierre2 and LUVIZOTTO, George Luiz1, (1)Departament of Geology, São Paulo State University, Rua 24A, 1515, Rio Claro, 13506-900, Brazil, (2)Department of Geological Sciences, University of Bern, Baltzerstrasse 1, Bern, CH3012, Switzerland
2:05 PM
DECIPHERING P-T HISTORIES FROM MULTIPLE GARNET GROWTH GENERATIONS WITH QUARTZ INCLUSION RAMAN BAROMETRY
WOLFE, Oliver M., Earth and Environmental Sciences, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180 and SPEAR, Frank S., Earth and Environmental Sciences, Rensselaer Polytechnic Institute, 110 8th St., Troy, NY 12180
2:20 PM
REDUCING UNCERTAINTIES IN ZR-IN-RUTILE THERMOMETRY (Invited Presentation)
KOHN, Matthew J.1, HARVEY, Kayleigh M.2 and KERSWELL, Buchanan1, (1)Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, (2)Department of Geology, University of Maryland College Park, 8000 Regents Dr, College Park, MD 20742; Department of Earth and Environmental Sciences, Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467
2:35 PM
CRYSTALLOGRAPHIC RELATIONSHIPS: THE KEY TO UNDERSTANDING GARNET NUCLEATION?
NAGURNEY, Alexandra B. and CADDICK, Mark J., Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24060
2:50 PM
A NEW GARNET FRACTIONATION MODELLING TECHNIQUE AND ITS APPLICATION TO THE YUKON-TANANA TERRANE OF NORTH-WESTERN BRITISH COLUMBIA
DYER, Sabastien1, SOUCY LA ROCHE, Renaud2, GAIDIES, Fred1, CUTTS, Jamie3, PETTS, Duane4 and ZAGOREVSKI, Alex4, (1)Department of Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada, (2)Centre Eau Terre Environnement, Institut national de la recherche scientifique, 490 rue de la Couronne, Québec, QC G1K 9A9, Canada; Geological Survey of Canada, Natural Resources Canada, 601 Booth St., Ottawa, ON K1A 0E8, Canada, (3)Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2020-2207 Main Mall, Vancouver, BC V6T 1Z4, Canada, (4)Geological Survey of Canada, Natural Resources Canada, 601 Booth St., Ottawa, ON K1A 0E8, Canada
3:05 PM
PLAGIOCLASE CORONAS AROUND GARNETS FROM THE SAWTOOTH METAMORPHIC COMPLEX, IDAHO, USA: EVIDENCE OF COOLING IN THE PRESENCE OF SMALL VOLUME MELTS
FOSTER Jr., C.T., Dept. of Earth & Environmental Sciences, University of Iowa, Iowa City, IA 52242 and DUTROW, Barbara L., Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803
 
3:20 PM
Break
3:30 PM
ADVANCES IN 3D CHARACTERISATION: EXAMPLES FROM METAMORPHIC PETROLOGY
TAYLOR, Rich, Natural Resources - Geoscience, Carl Zeiss Microscopy Ltd, ZEISS House, Cambourne, CB23 6DW, United Kingdom
3:45 PM
INTEGRATING GEOCHEMICAL DATA AND RASTER IMAGES TO PRODUCE HIGHLY DETAILED SAMPLE MAPS IN A GIS ENVIRONMENT
DENNY, Adam C., Pacific Northwest National Laboratory, 902 Battelle Blvd, Richland, WA 99354, LINZMEIER, Benjamin J., Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, KITAJIMA, Kouki, Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton Street, Madison, WI 53706 and CAMMACK, Jacob N., Interpretive Geosciences LLC, Pagosa Springs, CO 81147
4:00 PM
ROTATED PROGRADE GARNET WITH RUTILE DEMONSTRATE HIGH-GRADE NEVADAN METAMORPHISM IN OVERLY THICKENED CONTINENTAL CRUST IN THE CENTRAL KLAMATH MOUNTAINS
LEIB, Susan E., Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053, HETHERINGTON, Callum J., Department of Geosciences, Texas Tech University, Lubbock, TX 79409 and YOSHINOBU, Aaron S., Department of Geosciences, Texas Tech University, 1200 Memorial Circle, Lubbock, TX 79409
4:15 PM
GENESIS OF TWO DISTINCT TYPES OF CORONAE ASSEMBLAGES AT CLINOPYROXENE-PLAGIOCLASE CONTACT IN MAFIC DYKE FROM SOUTHERN GRANULITE TERRANE (SGT), INDIA
BANERJEE, Meenakshi and DUTTA, Upama, Applied Geology, Indian Institute of Technology (Indian School of Mines), Sardar Patel Nagar, Dhanbad, 826004, India
4:30 PM
THERMAL PULSE INDUCED BY EMPLACEMENT OF RAMBA LEUCOGRANITES IN SOUTHERN TIBET
AKCA, Ozan, CHU, Xu and GENNARO, Ivano, Department of Earth Sciences, University of Toronto, 22 Russell St, Toronto, ON M5S3B1, Canada
4:50 PM
UPPER-CRUSTAL THERMAL STRUCTURE OF THE SEVIER HINTERLAND PLATEAU, EASTERN NEVADA AND WESTERN UTAH: CONSTRAINTS FROM RSCM AND CAI THERMOMETRY INTEGRATED WITH STRUCTURAL RECONSTRUCTIONS
BLACKFORD, Nolan1, LONG, Sean P.2, STOUT, Austin J.2, RODGERS, David W.3, KRAMER, Kimberly Megan2, DI FIORI, Russell V.2 and SOIGNARD, Emmanuel4, (1)School of the Environment, Washington State University, Washington State University, Pullman, WA 99163, (2)School of the Environment, Washington State University, Pullman, WA 99164, (3)Department of Geosciences, Idaho State University, 921 South 8th Ave., Box 8072, Pocatello, ID 83209, (4)Leroy Eyring Center for Solid State Science, Arizona State University, Physical Sciences Bldg B, 901 S. Palm Walk, Tempe, AZ 85287
5:00 PM
WHAT CONTROLS THE CHEMICO-MINERALOGY OF CORONAL ASSEMBLAGE FORMED AT OLIVINE – PLAGIOCLASE CONTACTS?
ADAK, Vedanta, BANERJEE, Meenakshi and DUTTA, Upama, Applied Geology, Indian Institute of Technology (Indian School of Mines), Sardar Patel Nagar, Dhanbad, 826004, India
5:10 PM
METAMORPHISM, DEFORMATION, AND EXHUMATION OF BLUESCHISTS IN SELDOVIA, ALASKA
HUFFORD, Lonnie J., BEHR, Whitney M. and CISNEROS, Miguel, Geological Institute, Department of Earth Sciences, ETH Zürich (Swiss Federal Institute of Technology), Sonneggstrasse 5, Zurich, 8092, Switzerland
5:20 PM
QUANTIFYING THE INFLUENCE OF LAWSONITE ON MICROSTRUCTURAL EVOLUTION AND HYDRATION PATHWAYS IN SUBDUCTED CRUST AND THE ECLOGITE-BLUESCHIST FACIES TRANSITION
LAMONT, Thomas N. and WHITE, Richard W., School of Earth and Environmental Sciences, University of St Andrews, Irvine Building, North Street, St Andrews, KY169AL, United Kingdom
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