GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 21
Sunday, 22 October 2017: 8:00 AM-12:00 PM
Skagit 4 (The Conference Center)

T163. Petrochronology: Advances and Applications to Petrogenesis and Tectonics I

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division; Mineralogical Society of America; Geochemical Society
Matthew J. Kohn, Pierre Lanari and Martin Engi, Advocates
 
8:00 AM
Introductory Remarks
8:05 AM
LATE EOCENE UPLIFT OF THE AL HAJAR MOUNTAINS, OMAN, RECORDED BY LOW-TEMPERATURE THERMOCHRONOLOGY AND ABSOLUTE AGES OF BRITTLE STRUCTURES BY U-PB DATING OF CALCITE FIBERS
HANSMAN, Reuben Johannes1, RING, Uwe1, THOMSON, Stuart N.2, ALBERT, Richard3, GERDES, Axel4, DEN BROK, Bas5 and STÜBNER, Konstanze6, (1)Department of Geological Sciences, Stockholm University, Svante Arrhenius väg 8, Stockholm, SE-106 91, Sweden, (2)Department of Geosciences, University of Arizona, 1040 E. 4th St., Tucson, AZ 85721, (3)Institut für Geowissenschaften, Goethe-Universität, Frankfurt, 60438, Germany; Institut für Geowissenschaften, Goethe Universität, Altenhöferallee 1, Frankfurt am Main, D-60438, Germany, (4)Institut für Geowissenschaften, Goethe Universität, Altenhöferallee 1, Frankfurt am Main, D-60438, Germany, (5)Department of Applied Geosciences, German University of Technology, Muscat, Oman, (6)Department of Geosciences, University of Tübingen, Tübingen, 72074, Germany, reuben.hansman@gmail.com
8:20 AM
40AR/39AR DATING ON BRITTLE DEFORMATION: ANOTHER NEW APPROACH
WANG, Yu1, ZWINGMANN, Horst2, ZHOU, Liyun1, LI, Guowu1 and HAO, Jinhua1, (1)Institute of Earth Sciences, China University of Geosciences (Beijing), Haidian District, Xueyuan Road 29, Beijing, 100083, China, (2)Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, Kyoto, 606-8502, Kyoto, 606-8502, Japan, wangy@cugb.edu.cn
8:35 AM
RE-EVALUATION OF PHENGITE PETROLOGIC DATA AND 40AR/39AR AGE SPECTRA TO DETERMINE PRESSURE-TEMPERATURE-TIME PATHS
GONZALEZ, Joseph P., Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244 and BALDWIN, Suzanne L., Department of Earth Sciences, Syracuse University, Syracuse, NY 13244, jpgonzal@syr.edu
8:50 AM
THE ZONE OF INCIPIENT 40AR* LOSS: INTRODUCING A NEW CONCEPT OF AR DEGASSING BEHAVIOR IN A CONTACT METAMORPHIC SETTING
SÜSSENBERGER, Annette, University of Geneva, Rue des Maraichers 13, Geneva, 1207, Switzerland, WEMMER, Klaus, Geoscience Center, University of Göttingen, Göttingen, 37077, Germany and SCHMIDT, Susanne T., Mineralogy, University of Geneva, Rue des Maraichers 13, CH 1205, Geneva, Switzerland, annette.suessenberger@unige.ch
9:05 AM
SLOW BURIAL OF CONTINENTAL CRUST IN COLLISIONAL OROGENS; INSIGHTS FROM SPATIALLY-RESOLVED LU-HF GARNET CHRONOLOGY IN THE WESTERN GNEISS COMPLEX, NORWAY
CUTTS, Jamie and SMIT, Matthijs A., Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, 2020-2207 Main Mall, Vancouver, BC V6T 1Z4, Canada, jcutts@eoas.ubc.ca
9:20 AM
UPPER MANTLE AND LOWER CRUSTAL XENOLITHS FROM THE UPPER HYLAND RIVER REGION, SOUTHEAST YUKON TERRITORY
PADGET, Colin D.W.1, PATTISON, David R.M.1 and MOYNIHAN, David P.2, (1)Department of Geoscience, University of Calgary, 2500 University Drive, Calgary, AB T2N1N4, Canada, (2)Yukon Geological Survey, P.O. Box 2703 (K-14), Whitehorse, YT Y1A2C6, Canada, colin.padget@ucalgary.ca
9:35 AM
RECYCLING OF CONTINENTAL CRUST CAPTURED IN XENOLITHS
HACKER, Bradley R.1, SHAFFER, Madeline1, RATSCHBACHER, Lothar2 and KYLANDER-CLARK, Andrew R.C.1, (1)Earth Science, University of California Santa Barbara, Santa Barbara, CA 93106, (2)TU Bergakademie Freiberg, Institut für Geologie, Freiberg, 09596, Germany, hacker@geol.ucsb.edu
 
9:50 AM
Discussion
 
10:00 AM
Break
10:15 AM
METAMORPHIC ZIRCON TH/U REFINED (Invited Presentation)
YAKYMCHUK, Chris, Earth and Environmental Sciences, University of Waterloo, Waterloo, ON N2L 3G1, Canada, KIRKLAND, Chris, Department of Applied Geology, Curtin University, GPO Box U1987, Perth, 6845, Australia and CLARK, Chris, Department of Applied Geology, Western Australian School of Mines, Curtin University, GPO Box U1987, Perth, 6845, Australia, chris.yakymchuk@uwaterloo.ca
10:35 AM
CONTRASTING ACCESSORY MINERAL BEHAVIOR IN MINIMUM-TEMPERATURE MELTS: EMPIRICAL CONSTRAINTS FROM THE HIMALAYAN METAMORPHIC CORE
COTTLE, John M., Dept of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106-9630, LARSON, Kyle P., Earth, Environmental and Geographic Sciences, University of British Columbia, Okanagan, 3247 University Way, Kelowna, BC V1V 1V7, Canada and YAKYMCHUK, Chris, Department of Earth and Environmental Sciences, University of Waterloo, 200 University Ave. W, Waterloo, ON N2L 3G1, Canada, cottle@geol.ucsb.edu
10:50 AM
EARLY OLIGOCENE PARTIAL MELTING AND PROLONGED LOW P/T ANATEXIS OF THE UPPER HIGH HIMALAYA CRYSTALLINE SEQUENCES IN FAR-EASTERN NEPAL
IMAYAMA, Takeshi, Okayama University of Science, Research Institute of Earth Sciences, 1-1 Ridai-cho Kita-ku, Okayama, AP 7000005, Japan, TAKESHITA, Toru, Natural History Sci, Hokkaido Univ, Sapporo, 060-0810, YI, Keewook, Korea Basic Science Institute, YeonGu DanJi-ro 162,Cheongwon, Chungbuk 363-883, Ochang, 28119, Korea, Republic of (South) and FUKUYAMA, Mayuko, Graduate School of Engineering Science, Akita University, Akita, 010-8502, Japan, imayama@rins.ous.ac.jp
11:05 AM
DEFORMATION AND MELT CRYSTALLIZATION IN LESSER HIMALAYAN SEQUENCE ROCKS AT 7 MA REVEALED BY U-TH/PB ZIRCON GEOCHRONOLOGY AND IN SITU MONAZITE PETROCHRONOLOGY
BRADEN, Zoe, Geological Sciences and Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada, GODIN, Laurent, Geological Sciences & Geological Engineering, Queen's University, Bruce Wing/Miller Hall, 36 Union Street, Kingston, ON K7L3N6, Canada, COTTLE, John M., Dept of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106-9630, YAKYMCHUK, Chris, Earth and Environmental Sciences, University of Waterloo, Waterloo, ON N2L 3G1, Canada and DAVIS, W.J., Geological Survey of Canada, Natural Resources Canada, Ottawa, ON K1A 0E8, Canada, 13zb2@queensu.ca
11:20 AM
CAMBRIAN GRANULITE-FACIES METAMORPHISM OF THE LARSEMANN HILLS, PRYDZ BAY, ANTARCTICA: USING THERMODYNAMIC MODELING TO INFORM MONAZITE PETROCHRONOLOGY
WALTERS, Jesse1, SPREITZER, Steven2, GREW, Edward S.3, WILLIAMS, M.L.4, YATES, Martin1, JERCINOVIC, M.J.5, CARSON, Christopher J.6 and CRUZ-URIBE, Alicia M.2, (1)School of Earth and Climate Sciences, University of Maine, 5790 Bryand Global Sciences Center, Orono, ME 04469, (2)School of Earth and Climate Science, University of Maine, 5790 Bryand Global Sciences Center, Orono, ME 04469, (3)School of Earth and Climate Sciences, University of Maine, 5790 Bryand Global Research Center, Orono, ME 04469, (4)Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003, (5)Department of Geology, St. Lawrence University, Canton, NY 13617, (6)Antarctic Geoscience, Geoscience Australia, PO Box 378, Canberra, 2601, Australia, Jesse.Walters@maine.edu
11:35 AM
GEOCHRONOLOGY AND CHEMISTRY OF MONAZITE IN A MIGMATITIC PARAGNEISS IN THE EASTERN ADIRONDACK HIGHLANDS ADJACENT TO TICONDEROGA, NEW YORK
BAIRD, Graham B., Earth & Atmospheric Sciences, University of Northern Colorado, Campus Box 100, Greeley, CO 80639, WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts Amherst, 611 N Pleasant St, Amherst, MA 01003 and REGAN, Sean P., Department of Geosciences, University of Massachusetts, Amherst, 611 N Pleasant St, Amherst, MA 01003, Graham.Baird@unco.edu
 
11:50 AM
Concluding Remarks
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