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

Session No. 52
Sunday, 1 November 2015: 1:30 PM-5:30 PM
Room 349/350 (Baltimore Convention Center)

T2. Bridging Two Continents: Advances in Crustal Subduction and Ultrahigh-Pressure Metamorphism

GSA Structural Geology and Tectonics Division; Mineralogical Society of America; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Geochemical Society
Jane A. Gilotti and Yong-Fei Zheng, Session Chairs
Paper #
Start Time
1:30 PM
DECIPHERING THE 4-D EVOLUTION OF CENOZOIC (U)HP TERRANES
BALDWIN, Suzanne L., Department of Earth Sciences, Syracuse University, Syracuse, NY 13244, MALUSÀ, Marco G., Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 4, Milan, 20126, Italy, FITZGERALD, Paul G., Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244 and WEBB, Laura E., Department of Geology, University of Vermont, 180 Colchester Ave., Burlington, VT 05405, sbaldwin@syr.edu
1:50 PM
DEFORMATION OF HYDROUS MINERALS IN SUBDUCTION CHANNEL: TECTONIC IMPLICATIONS
ZHANG, Junfeng, LIU, Wenlong and SHI, Feng, School of Earth Sciences, China University of Geosciences, 388 Lumo Road, Wuhan, 430074, China, jfzhang@cug.edu.cn
2:10 PM
UHP METAMORPHISM DOCUMENTED IN TI-CHONDRODITE- AND TI-CLINOHUMITE-BEARING SERPENTINITES FROM SOUTHWESTERN TIANSHAN, CHINA
SHEN, Tingting1, ZHANG, Lifei2, HERMANN, Jörg3, WU, Fu-Yuan4, PADRÓN-NAVARTA, José Alberto5 and CHEN, Jing2, (1)School of Earth and Space Sciences, Peking University, Room 3623, Yifu 2# building, Yiheyuan Road 5, Peking Univerisy, Beijing, Beijing, 100871, China, (2)Department of Geology, School of Earth and Space Sciences, Peking University, Yifu Buliding 2#, Yiheyuan Road 5, Peking University, Haidian district, Beijing, China, Beijing, 100871, China, (3)Research School of Earth Sciences, The Australian National University, Research School of Earth Sciences, The Australian National University, 0200 Canberra, Australia, Canberra, 0200, Australia, (4)Chinese Academy of Sciences, Institute of Geology and Geophysics, Beijing, 100029, China, (5)Géosciences Montpellier, CNRS & Université de Montpellier 2, Montpellier, 34095, France, TTshen@pku.edu.cn
2:25 PM
PHOSPHATIC GARNET FROM METAPELITIC SCHISTS OF WESTERN MASSACHUSETTS AND EASTERN GREECE
SNOEYENBOS, David, Dep. of Geosciences, University of Massachusetts, Amherst, MA 01003 and PETERMAN, Emily M., Earth and Oceanographic Science, Bowdoin College, 6800 College Station, Brunswick, ME 04011, dsnoeyenbos@geo.umass.edu
2:40 PM
ATYPICAL DISSOLUTION-REPRECIPITATION REACTIONS IN ZIRCON FROM HP/UHP METAPELITES
PETERMAN, Emily M., Earth and Oceanographic Science, Bowdoin College, 6800 College Station, Brunswick, ME 04011 and SNOEYENBOS, David R., Dept. of Geosciences, University of Massachusetts, Amherst, Amherst, MA 01003, epeterma@bowdoin.edu
2:55 PM
GARNET GEOCHEMISTRY RECORDS THE ACTION OF METAMORPHIC FLUIDS IN ULTRAHIGH-PRESSURE DIORITIC GNEISS FROM THE SULU OROGEN
CHEN, Yi-Xiang, ZHOU, Kun and ZHENG, Yong-Fei, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China, yxchen07@ustc.edu.cn
3:10 PM
DIVERSITY OF THE KOKCHETAV METAMORPHIC DIAMONDS AND THEIR FORMATIONS RELATED WITH H2O-RICH FLUID CONDITIONS
OGASAWARA, Yoshihide, SHIMIZU, Rentaro and SAKAMAKI, Kunihiko, Department of Earth Sciences, Waseda University, 1-6-1 Nishiwaseda, Shinjuku-ku, Tokyo, 169-8050, Japan, yoshi777@waseda.jp
3:25 PM
CONTAMINATION OF DIAMONDS IN UHP METAMORPHIC ROCKS - AN EXAMPLE FROM THE DABIE TERRANE, CHINA -
LIOU, J.G.1, OGASAWARA, Yoshihide2, IGARASHI, Mina2 and TSAI, Chin-Ho3, (1)Geological Sciences, Stanford University, 450 Serra Mall, Bldg 320, Stanford, CA 94305-2115, (2)Earth Sciences, Waseda University, Tokyo, Japan, (3)Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien, 974, Taiwan, jliou@stanford.edu
3:40 PM
MODELLING OF THE PHASE RELATIONS IN HIGH- AND ULTRAHIGH-PRESSURE ECLOGITES
WEI, Chunjing, School of Earth and Space Sciences, Peking University, School of Earth and Space Sciences, Peking University, Beijing, 100871, China, cjwei@pku.edu.cn
4:00 PM
PARTIAL MELTING OF ULTRAHIGH-PRESSURE ECLOGITES FROM THE NORTH-EAST GREENLAND CALEDONIDES
CAO, Wentao1, GILOTTI, Jane A.2, MASSONNE, Hans-Joachim3, FOSTER Jr., Charles T.1 and FERRANDO, Simona4, (1)Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, (2)Department of Earth and Environmental Sciences, University of Iowa, Iowa City, IA 52242, (3)Institut für Mineralogie und Kristallchemie, Universität Stuttgart, Azenbergstr. 18, Stuttgart, D-70174, Germany, (4)Department of Earth Sciences, University of Torino, Via Valperga Caluso 35, Torino, 10125, Italy, wentao-cao@uiowa.edu
4:15 PM
CARBONATE AND SILICATE MELTS IN DEEP SUBDUCTION ZONE: PETROLOGICAL CONSTRAINTS FROM UHP ECLOGITE FROM ERZGEBIRGE IN CENTRAL EUROPE
CHEN, Ren-Xu, LI, Kun and ZHENG, Yong-Fei, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China, chenrx@ustc.edu.cn
4:30 PM
SIGNIFICANCE OF KUMDYKOLITE, KOKCHETAVITE AND CRISTOBALITE CRYSTALLIZED FROM MELT INCLUSIONS IN FELSIC GRANULITES, ORLICA-SNIEZNIK DOME (BOHEMIAN MASSIF)
FERRERO, Silvio1, ZIEMANN, Martin A.2, ANGEL, Ross J.3, O' BRIEN, Patrick J.2 and WUNDER, B.4, (1)Institut für Erd- und Umweltwissenschaften, Universität Potsdam, Karl-Liebknecht-Straße 24-25, Potsdam, 14476, Germany; Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Berlin, 10777, Germany, (2)Institut für Erd- und Umweltwissenschaften, Universität Potsdam, Potsdam, 14476, Germany, (3)Dipartimento di Geoscienze, University of Padova, Padova, 35131, Italy, (4)GeoForschungsZentrum Potsdam, Potsdam, 14473, Germany, sferrero@geo.uni-potsdam.de
4:45 PM
LITHIUM ISOTOPIC COMPOSITION AND CONCENTRATION OF THE INDIAN CONTINENTAL CRUST
SHIHONG Sr., Tian, Institute of Mineral Resources, Chinese Academy of Geological Sciences, baiwanzhuang Road 26, Beijing, P. R. China, Beijing, 100037, China, s.h.tian@163.com
5:00 PM
TWO TYPES OF THE CRUST-MANTLE INTERACTION IN CONTINENTAL SUBDUCTION ZONES
ZHAO, Zi-Fu, DAI, Li-Qun and ZHENG, Yong-Fei, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China, zfzhao@ustc.edu.cn
5:15 PM
ECLOGITES RECORD THE TECTONIC TRANSITION FROM OCEANIC SUBDUCTION TO CONTINENTAL COLLISION
ZHENG, Yong-Fei, ZHOU, Li-Gang and XIA, Qiong-Xia, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China, yfzheng@ustc.edu.cn
See more of: Technical Sessions