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GSA Annual Meeting, November 5-8, 2001

Session No. 90
Tuesday, 6 November 2001: 1:30 PM-5:30 PM

T9. New Insights into Late Ordovician Climate, Oceanography and Tectonics

GSA Sedimentary Geology Division

 

Michael C. Pope and Mark T. Harris, Advocates
Paper #
Start Time
0
1:30 PM
CORRELATION OF (MOHAWKIAN) K-BENTONITES BY USING APATITE CHEMISTRY: IMPLICATION FOR DECORAH FORMATION CARBONATE AND SHALE DEPOSITIONAL SEQUENCES
EMERSON, Norlene R., FOURNELLE, John, SIMO, J. A. and BYERS, Charles W., Dept. of Geology and Geophysics, Univ of Wisconsin - Madison, 1215 West Dayton St, Madison, WI 53706, norlene@geology.wisc.edu, norlene@geology.wisc.edu
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1:45 PM
PALEOCEANOGRAPHY OF THE DECORAH FORMATION (ORDOVICIAN, MOHAWKIAN), NORTHERN MISSISSIPPI VALLEY
BYERS, Charles W., SIMO, J. Antonio and EMERSON, Norlene R., Geology and Geophysics, Univ of Wisconsin, 1215 W. Dayton St, Madison, WI 53706, cwbyers@geology.wisc.edu, cwbyers@geology.wisc.edu
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2:00 PM
INFLUENCE OF TECTONICS, PALEOGEOGRAPHY AND PALEOCLIMATE ON THE SEDIMENTARY RECORD OF EAST-CENTRAL LAURENTIA AT THE MIDDLE-LATE ORDOVICIAN TRANSITION
ETTENSOHN, Frank R., Department of Geological Sciences, Univ of Kentucky, 101 Slone Bldg, Lexington, KY 40506-0053 and HOHMAN, John C., ExxonMobil Exploration Co, Houston, TX 77210, fettens@pop.uky.edu, fettens@pop.uky.edu
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2:15 PM
IMPACT OF THE SEBREE TROUGH ON MIDDLE AND LATE ORDOVICIAN PALEOCEANOGRAPHY OF THE MIDCONTINENT USA
KOLATA, Dennis R., Illinois State Geological Survey and Dept. of Geology, Univ of Illinois at Urbana-Champaign, 615 E. Peabody Dr, Champaign, IL 61820, BERGSTROM, Stig M., School of Earth Sciences, The Ohio State University, Columbus, OH 43210-1308 and HUFF, Warren D., Dept. of Geology, Univ of Cincinnati, Cincinnati, OH 45221, kolata@isgs.uiuc.edu, kolata@isgs.uiuc.edu
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2:30 PM
DIFFERENTIATING THE EFFECTS OF BASEMENT STRUCTURES, ELASTIC FLEXURE, AND EUSTASY IN THE EVOLUTION OF THE EARLY TACONIC (BLOUNTIAN) FORELAND BASIN OF SOUTHEASTERN LAURENTIA (NORTH AMERICAN CRATON)
BAYONA, Germán, Department of Geological Sciences, Univ of Kentucky, 101 Slone Bldg, Lexington, KY 40506-0053, THOMAS, William A., Department of Geological Sciences, Univ of Kentucky, 101 Slone Bldg, Lexington, KY 40506, FINNEY, Stanley C., California State Univ - Long Beach, Dept Geological Sciences, Long Beach, CA 90840-3902 and REPETSKI, John E., US Geol Survey, 926A National Ctr, Reston, VA 20192-0001, gbayo2@pop.uky.edu, gbayo2@pop.uky.edu
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2:45 PM
NEW COMPLEXITIES IN THE EXPRESSION OF LATE ORDOVICIAN CARBON ISOTOPE EXCURSIONS STRADDLING THE TURINIAN-CHATFIELDIAN BOUNDARY INTERVAL
LUDVIGSON, G. A.1, WITZKE, B. J.1, GONZALEZ, L. A.2, CARPENTER, S. J.2 and HASIUK, F. J.2, (1)Iowa DNR Geological Survey, 109 Trowbridge Hall, Iowa City, IA 52242-1319, (2)Geoscience, Univ of Iowa, Iowa City, IA, gregory-ludvigson@uiowa.edu, gregory-ludvigson@uiowa.edu
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3:00 PM
EUSTACY AND TECTONICS OF THE LATE ORDOVICIAN OF EASTERN LAURENTIA: IMPLICATIONS FROM SEQUENCE STRATIGRAPHIC COMPARISONS OF NEW YORK, PENNSYLVANIA, OHIO, AND KENTUCKY
MCLAUGHLIN, Patrick I., BRETT, Carlton E., TAHA MCLAUGHLIN, Susannah L. and CORNELL, Sean R., Department of Geology, Univ of Cincinnati, H.N. Fisk Laboratory of Sedimentology, 500 Geology Physics Building, Cincinnati, OH 45221, pimclau@hotmail.com, pimclau@hotmail.com
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3:15 PM
LATE ORDOVIDIAN CARBONATES AND PALEOGEOGRAPHY: A COMPARISON OF WESTERN LAURENTIA (GREAT BASIN) AND BALTICA (ESTONIA)
HARRIS, Mark1, SHEEHAN, Peter2, AINSAAR, Leho3, HINTS, Linda4, MANNIK, Peep4, NOLVAK, Jaak4 and RUBEL, Madis3, (1)Dept. of Geosciences, Univ of Wisconsin-Milwaukee, P. O. Box 413, Milwaukee, WI 53201, (2)Milwakee Public Museum, Milwaukee, WI, (3)Univ of Tartu, Tartu, Estonia, (4)Institute of Geology, Tallinn, Estonia, mtharris@uwm.edu, mtharris@uwm.edu
 
3:30 PM
Break
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3:45 PM
SEA LEVEL FORCING OF LATE ORDOVICIAN CARBON ISOTOPE EXCURSIONS
FANTON, Kerrie C. and HOLMDEN, Chris, Geology, Univ of Saskatchewan, 114 Science Pl, Saskatoon, SK S7N 5E2, Canada, kef366@mail.usask.ca, kef366@mail.usask.ca
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4:00 PM
PATTERNS OF EUSTASY, PALEOCEANOGRAPHY AND CONODONT BIOTIC CHANGE ASSOCIATED WITH THE TERMINAL ORDOVICIAN GLACIATION
BARNES, Christopher R., School of Earth and Ocean Sciences, Univ of Victoria, P.O. Box 3055, Victoria, BC V8W 3P6, Canada, crbarnes@uvic.ca, crbarnes@uvic.ca
0
4:15 PM
SPECIES DIVERSIFICATION DURING MASS EXTINCTION: GRAPTOLITES IN THE LATE ORDOVICIAN
FINNEY, Stanley C., California State Univ - Long Beach, Dept Geological Sciences, Long Beach, CA 90840-3902 and BERRY, William B.N., Dept. of Geology and Geophysics, University of California, Berkeley, CA 94720, scfinney@csulb.edu, scfinney@csulb.edu
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4:30 PM
UPWELLING IN THE MONTOYA GROUP: EVIDENCE FOR PROLONGED LATE ORDOVICIAN GLACIATION
POPE, Michael C., Geology, Washington State Univ, P.O. Box 642812, Pullman, WA 99163 and STEFFEN, Jessica B., mcpope@wsu.edu, mcpope@wsu.edu
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4:45 PM
THE QUEENSTON SEDIMENTARY COMPLEX: A LINK WITH LATE ORDOVICIAN GLACIATION?
BERRY, William B.N., Earth & Planetary Science, Univ of California, Berkeley, CA 94720-4767 and FINNEY, Stanley C., Department of Geological Sciences, California State Univ-Long Beach, Long Beach, CA 90840-3902, bberry@uclink4.berkeley.edu, bberry@uclink4.berkeley.edu
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5:00 PM
CHANGES IN PALEOGEOGRAPHY AND SEA LEVEL AS DRIVERS FOR GLOBAL COOLING DURING THE LATE ORDOVICIAN
HERRMANN, Achim D., Pennsylvania State Univ - Univ Park, 439 Deike Bldg, University Park, PA 16802-2713 and PATZKOWSKY, Mark E., Pennsylvania State Univ, 506 Deike Bldg, University Park, PA 16802-2714, achim@geosc.psu.edu, achim@geosc.psu.edu
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5:15 PM
Withdrawn
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