Geological Society of America

8:00 AM

EARLY TRIASSIC RECOVERY - A FALSE DAWN?

Paul B. Wignall, University of Leeds, Leeds

317596 (Technical Sessions)

8:20 AM

THE LONG ROAD TO RECOVERY – THE TRIASSIC MARINE BOREAL RECORD AT SPATH CREEK, CANADIAN HIGH ARCTIC

Stephen Grasby, Geological Survey of Canada, Calgary, AB and David Bond, University of Hull, Hull and Paul B. Wignall, University of Leeds, Leeds

323653 (Technical Sessions)

8:35 AM

THE CORRELATION OF THE PERMIAN–TRIASSIC TRANSITIONAL BEDS AND MASS EXTINCTION IN CONTINENTAL-MARINE SILICICLASTIC SETTINGS OF WESTERN GUIZHOU AND EASTERN YUNNAN, SOUTHWESTERN CHINA

Daoliang Chu, China University of Geosciences (Wuhan), Wuhan and Jinnan Tong, China University of Geosciences, Wuhan and Michael J. Benton, University of Bristol, Bristol and Haijun Song, China University of Geosciences (Wuhan), Wuhan

318745 (Technical Sessions)

8:55 AM

EPISODES OF FAUNAL TURNOVER AND INCREASES OF ECOLOGICAL COMPLEXITY ACROSS PALAEOZOIC-MESOZOIC TRANSITION IN MARINE ECOSYSTEMS

L. Felipe Opazo, Pontificia Universidad Católica de Chile, Santiago and Austin J.W. Hendy, Natural History Museum of Los Angeles County, Los Angeles, CA and Sebastian R. Abades, Facultad de Ciencias, Universidad Mayor, Santiago and Pablo A. Marquet, Santiago

324864 (Technical Sessions)

9:10 AM

EDIACARAN-LIKE TEXTURED ORGANIC SURFACES FROM THE BOREAL EARLY TRIASSIC: MICROBIAL MATS THRIVED IN THE ABSENCE OF GRAZING AFTER THE PERMIAN-TRIASSIC MASS EXTINCTION

David Bond, University of Hull, Hull and Paul B. Wignall, University of Leeds, Leeds and Stephen Grasby, Geological Survey of Canada, Calgary, AB and Sara Pruss, Smith College, Northampton, MA

319053 (Technical Sessions)

9:40 AM

LATE EARLY TRIASSIC (SMITHIAN – SPATHIAN) ENVIRONMENTAL CHANGES ALONG THE WESTERN MARGIN OF NORTH AMERICA: AN ANALYSIS OF THE UNION WASH FORMATION AT THE CERRO GORDO, CA LOCALITY

Adam Woods, California State University, Fullerton, Fullerton, CA and Kelly Kinder, California State University, Fullerton, Fullerton, CA

320903 (Technical Sessions)

9:55 AM

CALCIUM ISOTOPE EVIDENCE OF AN EPISODE OF OCEAN ACIDIFICATION ACROSS THE SMITHIAN-SPATHIAN BOUNDARY

He Zhao, China University of Geoscience, Wuhan and Feifei Zhang, Arizona State University, Tempe, AZ and Thomas J. Algeo, University of Cincinnati, Cincinnati, OH and Zhong Qiang Chen, China University of Geosciences (Wuhan), Wuhan, Hubei and Yongsheng Liu, China University of Geosciences (Wuhan), Wuhan and Zhaochu Hu, China Geosciences University, Wuhan, Wuhan and Ziheng Li, China University of Geoscience, Wuhan and Ariel D. Anbar, Arizona State University, Tempe, AZ

321794 (Technical Sessions)

10:10 AM

BIOENERGETICS OF EARLY TRIASSIC PELAGIC ECOSYSTEMS: FAST METABOLISMS, FAST CARBON CYCLING

Kathleen Ritterbush, University of Utah, Salt Lake City, UT

324119 (Technical Sessions)

10:30 AM

CAN EVOLUTIONARY ESCALATION DRIVE CHANGES IN PALEOECOLOGICAL STRUCTURE?: A CASE STUDY FROM THE NORIAN STAGE (LATE TRIASSIC) OF WESTERN NEVADA

Lydia Tackett, North Dakota State University, Fargo, ND and Annaka Clement, North Dakota State University, Fargo, ND

324546 (Technical Sessions)

10:45 AM

IS MERCURY FROM “BACKGROUND” VOLCANISM PRESERVED IN THE SEDIMENTARY RECORD? A TEST USING FLUVIO-LACUSTRINE STRATA FROM THE UPPER TRIASSIC OF ARGENTINA

Randall Irmis, University of Utah, Salt Lake City, UT and Jaimun Nayee, National Oceanography Centre Southampton, University of Southampton, Southampton and Lawrence M.E. Percival, University of Lausanne, Lausanne and Jessica H. Whiteside, National Oceanography Centre Southampton, University of Southampton, Southampton and Tamsin A. Mather, University of Oxford, Oxford and Adriana Cecilia Mancuso, CONICET, Mendoza and Cecilia Andrea Benavente, CONICET, Mendoza

325054 (Technical Sessions)

T80 Global Change: Evolution and Extinctions in the Triassic

Presentations