Session: Stratigraphy I: Impacts and Extinctions (GSA Annual Meeting, November 5-8, 2001)

Paper #

Start Time

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1:30 PM

SOLAR WINDS AS A POSSIBLE CAUSE OF THE PERMIAN-TRIASSIC BOUNDARY EXTINCTION

HEYDARI, Ezat, Department of Physics, Atmospheric, and General Sciences, Jackson State Univ, 1400 J. R. Lynch Street, Jackson, MS 39217, HASSANZADEH, Jamshid, Department of Geology, Univ of Tehran, Tehran, Iran and GHAZI, A. Mohamad, Department of Geology, Georgia State Univ, Atlanta, GA 30303, heydari@bellsouth.net, heydari@bellsouth.net

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1:45 PM

SEDIMENTOLOGY AND GEOCHEMISTRY OF P-T BOUNDARY STRATA IN ABADEH SECTION, IRAN: IMPLICATIONS FOR THE BOUNDARY EXTINCTION

HEYDARI, Ezat¹, GHAZI, A. Mohamad², HASSANZADEH, Jamshid³, MALCHOW, Russell² and HASSANIPAK, A. A.⁴, (1)Department of Physics, Atmospheric, and General Sciences, Jackson State Univ, 1400 J. R. Lynch Street, Jackson, MS 39217, (2)Department of Geology, Georgia State Univ, Atlanta, GA 30303, (3)Department of Geology, Univ of Tehran, Tehran, Iran, (4)Department of Mining Engineering, Univ of Tehran, Tehran, Iran, jhassan@chamran.ut.ac.ir, jhassan@chamran.ut.ac.ir

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2:00 PM

d¹³C_ORG AND d¹³C_CARB ACROSS THE P-TR BOUNDARY OF A SHALLOW MARINE CARBONATE PLATFORM, NANPANJIANG BASIN, S. CHINA: IMPLICATIONS FOR METHANE POISONING

KRULL, Evelyn S., CSIRO Land & Water, Glen Osmond, SA 5064, Australia and LEHRMANN, Dan, Univ of Wisconsin-Oshkosh, Oshkosh, WI 54901, lehrmann@uwosh.edu, lehrmann@uwosh.edu

0

2:15 PM

TIMING OF LOWER TRIASSIC CARBONATE BANK BUILDUP AND BIOTIC RECOVERY FOLLOWING THE END-PERMIAN EXTINCTION ACROSS THE NANPANJIANG BASIN, SOUTH CHINA

MARTIN, Mark W.¹, LEHRMANN, Dan J.², BOWRING, Samuel A.³, ENOS, Paul⁴, RAMEZANI, J.³, WEI, Jiayong⁵ and ZHANG, Jiyan⁶, (1)Earth, Atmos. and Planet. Sciences, MIT, Cambridge, MA 02139, (2)Dept. of Geology, Univ. of Wisconsin-Oshkosh, Oshkosh, WI 54901, (3)EAPS, MIT, Cambridge, MA 02139, (4)Dept. of Geology, Univ. of Kansas, Lawrence, KS 66045, (5)Guizhou Bureau of Geol. and Min. Rscs, Guiyang, Guizhou Province, China, (6)Geol Survey of Guangxi, Guiylin, Guangxi Province, 541003, China, mwm@mit.edu, mwm@mit.edu

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2:30 PM

SIMULTANEOUS PERMO-TRIASSIC BOUNDARY MARINE AND TERRESTRIAL MASS EXTINCTIONS: THE GLOBAL FUNGAL SPIKE DISCOVERED IN THE KAROO SUPERGROUP (SOUTH AFRICA)

STEINER, Maureen B., Geology & Geophysics, Univ. Wyoming, Dept.Geology & Geophysics, Univ. Wyoming, Laramie, WY 82071, ESHET, Yoram, Geol Survey of Israel, Jerusaleum, 95501, Israel, RAMPINO, Michael R., Earth & Environmental Science Program, New York Univ, New York, NY 10003 and SCHWINDT, Dylan M., Earth & Environmental Sciences Program, New York Univ, New York, NY 10003, magnetic@uwyo.edu, magnetic@uwyo.edu

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2:45 PM

Withdrawn

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3:00 PM

ORIGIN OF UPPER CRETACEOUS (LATEST MAASTRICHTIAN) MASSIVE, BOULDER-COBBLE CONGLOMERATES, POTRERILLOS FORMATION, LA POPA BASIN, NORTHEASTERN MEXICO: INCISED VALLEY FILL OR MEGA-TSUNAMITE?

ASCHOFF, J. L., GILES, K. A. and LAWTON, T. F., Institute of Tectonic Studies, Dept. Geological Sciences, New Mexico State Univ, Department of Geological Sciences, MSC 3AB, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88001, geogeek@hotmail.com, geogeek@hotmail.com

3:15 PM

Break

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3:30 PM

A PACIFIC MARGIN EXAMPLE OF COASTAL LANDSLIDING AND CATASTROPHIC SEDIMENTATION TRIGGERED BY K/T BOLIDE IMPACT

BUSBY, Cathy J., Department of Geological Sciences, Univ of California, Santa Barbara, Santa Barbara, CA 93106-9630, YIP, Grant, Dept. Geological Sciences, Univ of California, Santa Barbara, Santa Barbara, CA 93101, BLIKRA, Lars H., Geol Survey of Norway, Trondheim, N-7040, Norway and PAUL, Renne, Berkeley Geochronology Center, 2453 Ridge Rd, Berkeley, CA 94709, cathy@geol.ucsb.edu, cathy@geol.ucsb.edu

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3:45 PM

MAASTRICHTIAN ⁸⁷SR⁸⁶SR STRATIGRAPHY AND A WORLDLY (NON-IMPACT) EXPLANATION FOR SOME SLUMPS IN LATE CRETACEOUS SECTIONS FROM THE WESTERN NORTH ATLANTIC

MACLEOD, Kenneth G., Univ Missouri - Columbia, 101 Geological Sciences Building, Columbia, MO 65211-1380 and FULLAGAR, Paul D., Department of Geological Sciences, Univ of North Carolina, Chapel Hill, NC 27599-3315, macleodk@missouri.edu, macleodk@missouri.edu

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4:00 PM

ANCIENT PEDOGENIC OVERPRINTING OF THE K-T BOUNDARY INTERVAL WITHIN THE FOX HILLS FORMATION OF SOUTHWESTERN SOUTH DAKOTA

JANNETT, Patricia A., Geology, Temple Univ, 303 Beury Hall, Philadelphia, PA 19122 and TERRY Jr, Dennis O., Jr, Temple Univ, Dept Geology, Philadelphia, PA 19122-6081, pjannett@nimbus.temple.edu, pjannett@nimbus.temple.edu

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4:15 PM

DINOFLAGELLATE EVIDENCE OF THE CRETACEOUS-PALEOGENE BOUNDARY IN ARGENTINA

PALAMARCZUK, Susana, Graduate School, CUNY, New York, NY and HABIB, Daniel, Geology, Queens College CUNY, Flushing, NY 11367, p@susana.net.ar, p@susana.net.ar

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4:30 PM

OFFSHORE DEPOSITS AND EFFECTS OF MARINE, LATE DEVONIAN ALAMO IMPACT EVENT, SOUTH-CENTRAL NEVADA

MORROW, Jared R., Department of Earth Sciences, Univ. of Northern Colorado, Greeley, CO 80639 and SANDBERG, Charles A., Geologist Emeritus, US Geol. Survey, Box 25046, MS 939, Federal Center, Denver, CO 80225-0046, jrmorro@bentley.unco.edu, jrmorro@bentley.unco.edu

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4:45 PM

STRUCTURE AND COMPOSITION OF THE SOUTHWESTERN MARGIN OF THE BURIED CHESAPEAKE BAY IMPACT STRUCTURE, VIRGINIA

POWARS, David S., U.S. Geol Survey, Richmond, VA 23228, GOHN, Gregory S., U.S. Geol Survey, 926A National Center, Reston, VA 20192, EDWARDS, Lucy E., U.S. Geol Survey, Mail Stop 926A, Reston, VA 20192, BRUCE, T. Scott, Virginia Dept. of Environmental Quality, Richmond, VA 23240, CATCHINGS, Rufus D., US Geol Survey, 345 Middlefield Rd, MS-977, Menlo Park, CA 94025-3591, EMRY, Scott R., Hampton Roads Planning District Commission, The Regional Building, 725 Woodlake Drive, Chesapeake, VA 23320, JOHNSON, Gerald H., Dept. of Geology, College of William and Mary, Williamsburg, VA 23187, LEVINE, Joel S., NASA Langley Rsch Ctr, Hampton, VA 23681, POAG, C. Wylie, US Geol Survey, 384 Woods Hole Rd, Woods Hole, MA 02543-1598 and PIERCE, Herbert A., U.S. Geol Survey, National Center, Reston, VA 20192, dspowars@usgs.gov, dspowars@usgs.gov