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

Session No. 81
Monday, 2 November 2015: 8:00 AM-12:00 PM
Room 347/348 (Baltimore Convention Center)

T4. Bridging Two Continents: Diamonds, Zircons and Native Elements in the Mantle: New Discoveries and Models on the Properties and Petrogenesis of Oceanic Mantle Lithosphere

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division; MSA Mineral Physics; GSA Geophysics Division; Mineralogical Society of America; Geochemical Society
Yildirim Dilek, Paul T. Robinson, Juhn G. Liou and Jingsui Yang, Session Chairs
Paper #
Start Time
81-1
8:00 AM
DEEP UPPER MANTLE RECYCLING OF CRUSTAL MATERIALS: EVIDENCE FROM UHP MINERALS IN COLLISIONAL OROGENS, OPHIOLITES, AND XENOLITHS
LIOU, Juhn G.1, TSUJIMORI, Tatsuki2, YANG, Jing-Sui3, ZHANG, Ruyuan4 and ERNST, W. G.1, (1)Department of Geological Sciences, Stanford University, Stanford, CA 94305-2115, (2)Center for Northeast Asian Studies, Tohoku University, Miyagi, Sendai, 980-8576,, Japan, (3)State Key Laboratory of Continental Tectonics and Dynamics, Center for Advanced Research on Mantle (CARMA), Chinese Academy of Geological Sciences, 26 Baiwanzhuiang Road, Beijing, 100037, China, (4)Department of Geological Sciences, Stanford University, Stanford, CO 94305, jliou@stanford.edu
81-2
8:15 AM
FORMATION OF OPHIOLITE-HOSTED DIAMONDS BY DEEP SUBDUCTION OF OCEANIC LITHOSPHERE: EVIDENCE FROM MINERAL INCLUSIONS
YANG, Jing-Sui, State Key Laboratory of Continental Tectonics and Dynamics, Center for Advanced Research on Mantle (CARMA), Chinese Academy of Geological Sciences, 26 Baiwanzhuiang Road, Beijing, 100037, China; CARMA, State Key Laboratory for Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, 26, Baiwanzhuang Road, Xicheng District, Beijing, 100037, China, WIRTH, Richard, Potsdam, 14473, Germany, XIONG, Fahui, CARMA，State Key Laboratory of Continental Tectonics and Dynamics，Institute of Geology, Chinese Academy of Geological Sciences，Beijing, 26 Baiwanzhuang Road，Beijing，China, Beijing, 100037, China, XU, Xiangzhen, 26 Baiwanzhuang Road, Beijing, 100037, China, TIAN, Yazhou, Beijing, HUANG, Zhu, Beijing, 100037, China, ROBINSON, Paul T., CARMA, State Key Laboratory of Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, 26 Baiwanzhuang Road, Beijing, China, Beijing, 100037, China and DILEK, Yildirim, Department of Geology & Environmental Earth Science, Miami University, Culler Hall, Spring Street, Oxford, Ohio, OH 45056, yangjsui@163.com
81-3
8:30 AM
BRIDGING TWO CONTINENTS: EVIDENCE OF CONTINENTAL CRUST NEAR THE MANTLE TRANSITION ZONE FROM THE LUOBUSA PODIFORM CHROMITITES
YAMAMOTO, Shinji, Department of Earth Science & Astronomy, The University. of Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan, KAWAI, Kenji, Department of Earth Science & Astronomy, The University of Tokyo, 3-8-1 Komaba, Meguro, 153-8902 and MARUYAMA, Shigenori, ELSI, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro, Tokyo, 153-0041, Japan, syamamot@ea.c.u-tokyo.ac.jp
81-4
8:45 AM
WHAT ZIRCON IN OPHIOLITIC PERIDOTITES AND CHROMITITES REVEALS ABOUT UPPER MANTLE PROCESSES
ROBINSON, Paul T., CARMA, State Key Laboratory of Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, 26 Baiwanzhuang Road, Beijing, China, Beijing, 100037, China, YANG, Jingsui, Institute of Geology, Chinese Academy of Geological Sciences, 26 Baiwanzhuang Road, Beijing, 100037, China, ZHU, Huang, CARMA, Institure of Geology, Chinese Academy of Geological Sciences, 26 Baiwanzhuang Road, Beijing, 100037, China, TIAN, Yazhou, Beijing and XIONG, Fahui, State Key Laboratory for Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, China, Number 26 of Baiwanzhuang street, Western Beijing, Beijing, 100037, China, paulrobinson94@hotmail.com
81-5
9:00 AM
DISCOVERY OF IN SITU SUPER-REDUCING, UHP PHASES IN LUOBUSA OPHIOLITIC CHROMITITES, TIBET: NEW INSIGHT INTO THE DEEP UPPER MANTLE AND THE TRANSITION ZONE
ZHANG, Ru Yuan, Department of Geological Sciences (retired), Stanford University, Stanford, CA 94305, YANG, Jingsui, CARMA, State Key Laboratory of Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, 26 Baiwanzhuang Road, Beijing, China, Beijing, 100037, China, ERNST, W.G., Geological and Environmental Sciences, Stanford University, Building 320, Room 118, Stanford, CA 94305-2115, JAHN, Bor-ming, Department of Geosciences, National Taiwan University, 1, Roosevelt Road, Section 4, Taipei, 106, Taiwan, IIZUKA, Yoshiyuki, Institute of Earth Sciences, Academia Sinica, Taipei, 11529, Taiwan and GUO, Guolin, State Key Laboratory of Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China, ruyzhangpan@yahoo.com
81-6
9:15 AM
MINERAL AND PETROLOGY OF CR-RICH OPHIOLITIC CHROMITITES OF BULQIZA, EASTERN OPHIOLITIC BELT, ALBANIA
XIONG, Fahui, CARMA，State Key Laboratory of Continental Tectonics and Dynamics，Institute of Geology, Chinese Academy of Geological Sciences，Beijing, 26 Baiwanzhuang Road，Beijing，China, Beijing, 100037, China, xiongfahui@126.com
81-7
9:30 AM
THE TWO  METALLOGENIC STAGES FOR SARTOHAY CHROMITITE
TIAN, Yazhou1, YANG, Jingsui2, ROBINSON, Paul T.2 and XIONG, Fahui2, (1)College of Resources and Environmental Engineering, Guizhou University, College of Resources and Environmental Engineering of Guizhou University, Huaxi District, Guiyang, Guizhou province, China, Guiyang, 550025, China, (2)CARMA, State Key Laboratory of Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, 26 Baiwanzhuang Road, Beijing, China, Beijing, 100037, China, 420500837@qq.com
81-8
9:45 AM
CHROMIUM ISOTOPES OF CHROMITE GRAINS FROM THE KT BOUNDARY AT THE WESTERN CRETACEOUS SEA PALEO-MARGIN: EVIDENCE FOR EXCAVATION AND EJECTION OF OCEANIC CRUST AND/OR UPPER MANTLE BY THE IMPACT
OLDS, Eric Peter1, SANBORN, Matthew E.2, TEAGUE, Timothy T.3 and YIN, Qing-zhu2, (1)College of Alameda, 555 Ralph Appezzatto Memorial Parkway, Alameda, CA 94501, (2)Earth and Planetary Sciences, U.C. Davis, Davis, CA 95616, (3)Earth and Planetary Science, U.C. Berkeley, Berkeley, CA 94720-4767, epolds@peralta.edu
 
10:00 AM
Break
81-9
10:15 AM
Withdrawn
81-10
10:30 AM
COMPOSITIONS AND MELT EVOLUTION OF PERIDOTITES IN THE MESOZOIC PERI-GONDWANAN OPHIOLITES, AND NEOTETHYAN MANTLE TECTONICS
DILEK, Yildirim, Department of Geology & Environmental Earth Science, Miami University, Culler Hall, Spring Street, Oxford, Ohio, OH 45056, UYSAL, Ibrahim, Geological Engineering, Karadeniz Technical University, Trabzon, TR-61080, Turkey and ERSOY, E. Yalçin, Geological Engineering, Dokuz Eylül University, Izmir, TR-35160, Turkey, dileky@miamioh.edu
81-11
10:45 AM
PLATE ACCRETION OF THE ORDOVICIAN BAY OF ISLANDS OPHIOLITE AND HOT SUBDUCTION/SUBCRETION DURING THE EVOLUTION OF A FORE-ARC R-TR-TR TRIPLE JUNCTION AS THE TACONIC ARC ENCROACHED UPON LAURENTIA
CASEY, John, Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX TX 77204-500, GAO, Yongjun, Geosciences, University of Houston, Houston, TX 77204, ZHANG, Xiaojing, Earth and Atmospheric Sciences, University of Houston, 312 Science and Research I, University of Houston, Houston, TX 77204 and DEWEY, John F., University College, Oxford, Oxford, OX1 4BH, United Kingdom, jfcasey@uh.edu
81-12
11:00 AM
STRUCTURE, GEOCHEMISTRY AND GEOCHRONOLOGY OF THE WESTERN YARLUNG ZANGBO OPHIOLITES IN SOUTHERN TIBET (CHINA), AND IMPLICATIONS FOR THE NEOTETHYAN TECTONICS
LIU, Fei, CARMA, State Key Laboratory for Continental Tectonics and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, 26, Baiwanzhuang Road, Xicheng District, Beijing, 100037, China, YANG, Jing-Sui, State Key Laboratory of Continental Tectonics and Dynamics, Center for Advanced Research on Mantle (CARMA), Chinese Academy of Geological Sciences, 26 Baiwanzhuiang Road, Beijing, 100037, China, DILEK, Yildirim, Department of Geology & Environmental Earth Science, Miami University, Culler Hall, Spring Street, Oxford, Ohio, OH 45056, LIAN, Dongyang, Faculty of Earth Sciences, China University of Geosciences, Wuhan, 430074, China, ZHAO, Hui, Department of Geology and Mineral Resources, China University of Geosciences, Beijing, 100083, XIE, Yanxue, Department of Geology and Env. Earth Science, Miami University, Miami, FL OH 45056 and ZHANG, Li, Department of Geology and Mineral Resources, China University of Geosciences, Beijing, 100083, China, lfhy112@126.com
81-13
11:15 AM
MID-OCEAN RIDGE (MOR) AND SUPRASUBDUCTION ZONE (SSZ) GEOLOGICAL EVENTS IN THE YARLUNG ZANGBO SUTURE ZONE: EVIDENCE FROM THE MINERAL RECORD OF MANTLE PERIDOTITES
GUO, Guolin, CARMA, State Key Laboratory of Continental Tectonic and Dynamics, Institute of Geology, Chinese Academy of Geological Sciences, No. 26 Baiwanzhuang Street, Beijing, 100037, China; Fundamental Science on Radioactive Geology and Exploration Technology Laboratory, East China Institute of Technology, No. 418 Guanglan Road, Nanchang, 300013, China, gglrobin@163.com
81-14
11:30 AM
STUDY OF THE ORIENTED MICROSTRUCTURE IN APATITE FROM ULTRABASIC ROCK OF THE DABIE - SULU ULTRA-HIGH PRESSURE TERRANE
YU, Hong, LI, Hongyan, WANG, Dong, NIU, Zhijian, HOU, Guowang, ZHANG, Ke and WANG, Tianqi, Chinese Academy of Geological Sciences, Insititute of Mineral Resources, 26 Baiwanzhuang Road, beijing, 100037, China, yuhong@cags.ac.cn
81-15
11:45 AM
RECYCLING OF OCEANIC CRUST FROM A STAGNANT SLAB IN THE MANTLE TRANSITION ZONE: EVIDENCE FROM CENOZOIC CONTINENTAL BASALTS IN ZHEJIANG PROVINCE, SE CHINA
LI, Yanqing, Faculty of Earth Sciences, China University of Geosciences, No. 388 Lumo Road,Wuhan, P.R. China, Wuhan, 430074, China, yqlicug@sina.cn
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