2002 Denver Annual Meeting (October 27-30, 2002)

Session No. 184
Tuesday, 29 October 2002: 1:30 PM-5:30 PM

T126. Reconstructing the Cambrian World: Temporal and Spatial Changes in Physical and Biotic Environments

GSA Sedimentary Geology Division; SEPM—Society for Sedimentary Geology

 

Ed Landing and Gerd Geyer, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:45 PM
CARBON CYCLING PERTURBATION THROUGH THE LOWER-MIDDLE CAMBRIAN BOUNDARY INTERVAL AND OLENELLOID BIOMERE EXTINCTION AS REVEALED BY d13CORG
MONTANEZ, Isabel1, NEST, Danielle2, GRAGG, Kathyrn3, MCCOLLUM, Linda4, MCCOLLUM, Michael4 and OSLEGER, David3, (1)Dept. of Geology, Univ of California, Davis, Davis, CA 95616, (2)Dept. of Earth & Space Sciences, SUNY at Stony Brook, Stony Brook, NY 11794, (3)Dept. of Geology, Univ of California, Davis, Davis, CA 95616, (4)Dept. of Geology, Eastern Washington Univ, Cheney, WA 99004, montanez@geology.ucdavis.edu, montanez@geology.ucdavis.edu
2
2:00 PM
OXYGEN-CONTROLLED BIOFACIES OF THE MIDDLE CAMBRIAN WHEELER SHALE AND EQUIVALENTS, EASTERN BASIN AND RANGE
GAINES, Robert R., Univ California - Riverside, Dept Earth Sciences -036, Riverside, CA 92507 and DROSER, Mary L., Department of Earth Sciences, Univ of California, Riverside, Riverside, CA 92521, rgaines@citrus.ucr.edu, rgaines@citrus.ucr.edu
3
2:15 PM
THE HERB EVENT: END OF THE CAMBRIAN CARBON CYCLE PARADIGM?
RIPPERDAN, Robert L., Department of Geology, Univ of Puerto Rico, Mayaguez, PO Box 9017, Mayaguez, PR 00681, ripperdan@rumac.uprm.edu, ripperdan@rumac.uprm.edu
4
2:30 PM
CLIMATE CHANGE, SEA LEVELS, AND EPEIRIC SEA-CONTINENTAL SLOPE OXYGENATION IN THE CAMBRIAN
LANDING, Ed, N.Y.S. Museum, State Education Dept, Madison Avenue, Albany, NY 12230, elanding@mail.nysed.gov, elanding@mail.nysed.gov
 
2:45 PM
Break
5
3:00 PM
RECONSTRUCTING THE CAMBRIAN WORLD THROUGH PALEOMAGNETISM
RAUB, Tim D.1, EVANS, David1 and KIRSCHVINK, Joseph L.2, (1)Geology & Geophysics, Yale Univ, P.O. Box 208109, New Haven, CT 06520-8109, (2)Geological and Planetary Sciences, Caltech, 170-25, Pasadena, CA 91125, traub@its.caltech.edu, traub@its.caltech.edu
6
3:15 PM
A METHANE FUSE FOR THE CAMBRIAN EXPLOSION: CARBON CYCLES AND TRUE POLAR WANDER
KIRSCHVINK, Joseph L., Deparment of Geological and Planetary Science, California Institute Technology, 1201 E California Blvd MC 170-25, Pasadena, CA 91125-0001 and RAUB, Timothy D., California Institute Technology, 1201 E California Blvd MC 170-25, Pasadena, CA 91125-0001, kirschvink@caltech.edu, kirschvink@caltech.edu
7
3:30 PM
EXTINCTION OF CLOUDINA AND NAMACALATHUS AT THE PRECAMBRIAN-CAMBRIAN BOUNDARY IN OMAN: AN INITIAL CONDITION FOR EARLY CAMBRIAN RADIATION
GROTZINGER, John P.1, SCHRÖDER, Stefan1, BOWRING, Samuel A.1, RAMEZANI, Jahandar1, AMTHOR, Joachim E.2 and MATTER, A.3, (1)Massachusetts Institute Technology, 77 Massachusetts Ave Rm 54-816, Cambridge, MA 02139-4301, (2)Petroleum Development Oman, Box 81, Muscat, PC 113, Oman, (3)Institute of Geology, Univ of Bern, CH-3012 Bern, Switzerland, grotz@mit.edu, grotz@mit.edu
8
3:45 PM
FOSSIL CONSTRAINTS IN RECONSTRUCTING INDIAN EQUATORIAL PERI-GONDWANALAND DURING THE CAMBRIAN
HUGHES, Nigel, Earth Sciences, Univ of California, Riverside, 1432 Geology Building, Riverside, CA 92507, HEIM, Noel A., Earth Sciences, Univ of California, Riverside, 1432 Geology Building, Riverside, CA 92521, MYROW, Paul, Dept. of Geology, Colorado College, Colorado Springs, CO 80903 and PARCHA, S.K., Wadia Institute of Himalaya Geology, Dehra Dun, Uttranchal, 248001, India, nigel.hughes@ucr.edu, nigel.hughes@ucr.edu
9
4:00 PM
WESTERN GONDWANAN FAUNAS, DIVERSITIES AND FACIES DURING THE CAMBRIAN
GEYER, Gerd, Institut für Paläontologie, Bayerische Julius-Maximilians-Universität Würzburg, Pleicherwall 1, Würzburg, 97070, Germany, palo001@rzroe.uni-wuerzburg.de, palo001@rzroe.uni-wuerzburg.de
10
4:20 PM
Withdrawn
11
4:35 PM
JUST HOW COMPLETE IS THE SEDIMENTARY RECORD AT BIOMERE EXTINCTIONS? AN EXAMPLE FROM THE LOWER-MIDDLE CAMBRIAN BOUNDARY IN LAURENTIA
MCCOLLUM, Linda B., Geology, Eastern Washington Univ, Cheney, WA 99004, SUNDBERG, Frederick A., Geology Department, Eastern Washington Univ, Cheney, WA 99004-1342 and MONTANEZ, Isabel P., Dept. of Geology, Univ of California, Davis, CA 95616, lmccollum@ewu.edu, lmccollum@ewu.edu
12
4:50 PM
GEOCHEMISTRY AND SEQUENCE STRATIGRAPHY OF THE MIDDLE CAMBRIAN WHEELER FORMATION: SUPPORT FOR TRILOBITE CHRONOSTRATIGRAPHY
LANGENBURG, Elizabeth S.1, LIDDELL, W. David1 and DEHLER, Carol M.2, (1)Geology, Utah State Univ, 4505 Old Main Hill, Logan, UT 84322-4505, (2)Department of Geology, Utah State Univ, 4505 Old Main Hill, Logan, UT 84322-4505, esl@cc.usu.edu, esl@cc.usu.edu
13
5:05 PM
FALLEN ARCHES: MYTHS CONCERNING THE CAMBRIAN-ORDOVICIAN PALEOGEOGRAPHY OF WESTERN NORTH AMERICA
TAYLOR, John F., Geoscience Department, Indiana Univ of Pennsylvania, Indiana, PA 15705, MYROW, Paul M., Geology Department, Colorado College, 14 E Cache La Poudre St, Colorado Springs, CO 80903-3243, RIPPERDAN, Robert L., Department of Geology, Univ of Puerto Rico, Mayaguez, PO Box 9107, Mayaguez, PR 00681, MILLER, James F., Geography, Geology, and Planning Department, Southwest Missouri State Univ, Springfield, MO 65804, ETHINGTON, Raymond L., Geological Sciences, Univ of Missouri-Columbia, 101 Geology Building, Columbia, MO 65211 and ALLEN, Joseph L., Department of Physical Sciences, Concord College, Athens, WV 24712-1000, jftaylor@iup.edu, jftaylor@iup.edu
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