Session: New Developments in Permian-Triassic Paleoceanography (Posters) (2010 GSA Denver Annual Meeting (31 October

T120. New Developments in Permian-Triassic Paleoceanography (Posters)

GSA Sedimentary Geology Division; Society for Sedimentary Geology (SEPM)

Authors will be present from 2 to 4 PM, and 4:30 to 5:30 PM.

Paper #

Booth #

295

EXTENSION OF THE ISLAND RULE TO PERMIAN MICROGASTROPOD FAUNAS OF THE WESTERN NORTH AMERICAN ACCRETED TERRANES

HANGER, Rex A., Geography & Geology, University of Wisconsin-Whitewater, 800 West Main Street, Whitewater, WI 53190 and LAVINE, Rhiannon, Department of the Geophysical Sciences, University of Chicago, 5734 S. Ellis Ave, Chicago, IL 60637, hangerr@uww.edu, hangerr@uww.edu

296

LITHOSTRATIGRAPHY OF UPPER GUADALUPIAN (MIDDLE PERMIAN) ROCKS AT CHAOTIAN IN SICHUAN, SOUTH CHINA: SECULAR CHANGE IN SEA LEVEL AND REDOX CONDITION OF THE SEDIMENTARY ENVIRONMENT

SAITOH, Masafumi¹, ISOZAKI, Yukio², YAO, Jianxin³ and JI, Zhansheng³, (1)Earth Science & Astronomy, Univ Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan, (2)Dept. Earth Sci. & Astronomy, Univ. Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan, (3)Geological Institute, Chinese Academy of Geological Sciences, Beijing, 100037, saitoh@ea.c.u-tokyo.ac.jp, saitoh@ea.c.u-tokyo.ac.jp

297

⁵⁷FE MöSSBAUER SPECTROSCOPIC ANALYSIS OF DEEP-SEA PELAGIC CHERT: EFFECT OF SECONDARY ALTERATION TO PALEO-REDOX INDICATORS

SATO, Tomohiko¹, ISOZAKI, Yukio¹, SHOZUGAWA, Katsumi² and MATSUO, Motoyuki², (1)Earth Science & Astronomy, Univ Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan, (2)Chemistry, Univ Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan, tomohiko@ea.c.u-tokyo.ac.jp, tomohiko@ea.c.u-tokyo.ac.jp

298

THE MARINE d34S TREND FROM THE UPPERMOST PERMIAN AND PTB INTO THE LOWER TRIASSIC: HUGE, ALMOST INSTANT OSCILLATIONS SUPERIMPOSED ON A PROFOUND RISE AS EVIDENCE OF A CRISIS?

HORACEK, Micha, BLT Wieselburg, Lehr- und Forschungszentrum Francisco Josephinum, Wieselburg, 2444, Austria and BRANDNER, Rainer, Department of Geology and Palaeontology, University of Innsbruck, Innsbruck, 6020, Austria, micha.horacek@josephinum.at, micha.horacek@josephinum.at

299

EVIDENCE FOR AN EARLIEST TRIASSIC MICROBIALITE FROM THE CONFUSION RANGE, UT

SEDLACEK, Alexa R.C. and SALTZMAN, Matthew R., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, sedlacek.6@buckeyemail.osu.edu, sedlacek.6@buckeyemail.osu.edu

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