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2004 Denver Annual Meeting (November 7–10, 2004)

Session No. 105
Monday, 8 November 2004: 1:30 PM-5:30 PM

P1. Early Paleoproterozoic (2.5–2.0 Ga) Events and Rates: Bridging Field Studies and Models

Geochemical Society; Astrobiology Program; GSA Sedimentary Geology Division; SEPM—Society for Sedimentary Geology

 

Andrey Bekker, Mark E. Barley and Robert H. Rainbird, Conveners
Paper #
Start Time
1
1:30 PM
LINKED HYDROSPHERIC AND ATMOSPHERIC CHANGES ATTENDING PROTRACTED BREAKUP OF THE LATE ARCHEAN SUPERCONTINENT
BEKKER, Andrey, Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road, NW, Washington, DC 20015, a.bekker@gl.ciw.edu, a.bekker@gl.ciw.edu
2
1:50 PM
LATE ARCHEAN TO EARLY PALEOPROTEROZOIC GLOBAL TECTONICS AND ENVIRONMENTAL CHANGE
BARLEY, Mark E., School of Earth and Geographical Sciences, The Univ of Western Australia, 35 Stirling Highway, Crawley, 6009, Australia, mbarley@segs.uwa.edu.au, mbarley@segs.uwa.edu.au
3
2:10 PM
TIMING AND PROVENANCE OF NEOARCHEAN-PALEOPROTEROZOIC UNCONFORMITY BOUNDED SEQUENCES ON THE KAAPVAAL CRATON
BEUKES, Nicolas J.1, DORLAND, Herman C.1, GUTZMER, Jens2, EVANS, David A.D.3 and ARMSTRONG, Richard A.4, (1)Department of Geology, Rand Afrikaans Univ, PO Box 524, Auckland Park, 2006, (2)Department of Geology, University of Johannesburg, P.O. Box 524, Auckland Park, 2006, South Africa, (3)Geology & Geophysics, Yale Univ, PO Box 208109, 210 Whitney Ave, New Haven, CT 06520-8109, (4)Research School of Earth Sciences, Australian National Univ, Canberra, njb@rau.ac.za, njb@rau.ac.za
4
2:30 PM
DEEP-MARINE DEPOSITED HAMERSLEY BIFS: SIGNIFICANCE TO ENVIRONMENTAL CHANGE ACROSS THE ARCHEAN-PALEOPROTEROZOIC BOUNDARY
KRAPEZ, Bryan, School of Earth and Geographical Sciences, The Univ of Western Austrtalia, 35 Striling Highway, Crawley, 6009, bryank@segs.uwa.edu.au, bryank@segs.uwa.edu.au
5
2:50 PM
2.5-2.4 GA GLOBAL MAGMATISM: REMNANTS OF SUPERCONTINENTS OR PRODUCTS OF SUPERPLUMES?
HEAMAN, Larry M., Earth and Atmospheric Sciences, Univ of Alberta, 1-26 ESB, Edmonton, AB T6G 2E3, Canada, Larry.Heaman@UAlberta.ca, Larry.Heaman@UAlberta.ca
6
3:10 PM
COLLISIONAL OROGENESIS AT CA. 2.35 GA IN THE RAE DOMAIN, WESTERN CHURCHILL PROVINCE, NUNAVUT, CANADA
BERMAN, Robert G.1, SANBORN-BARRIE, Mary1, STERN, Richard A.2, JERCINOVIC, Michael J.3 and SKULSKI, Tom2, (1)Geol Survey of Canada, 615 Booth St, Ottawa, ON K1A0E8, Canada, (2)Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, (3)Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-9297, rberman@nrcan.gc.ca, rberman@nrcan.gc.ca
7
3:25 PM
CHARACTERISTICS AND COMPARISON OF THE BASAL PALEOPROTEROZOIC COVER SEQUENCE OF THE SUPERIOR AND WESTERN CHURCHILL PROVINCES OF LAURENTIA
RAINBIRD, Robert H., Geol Survey of Canada, 615 Booth St, Room 609, Ottawa, ON K1A 0E9, Canada, DAVIS, William J., Geol Survey of Canada, 615 Booth St, Room 609, Ottawa, ON K1A 0E9 and PEHRSSON, Sally, Continental Geoscience Division, Geol Survey of Canada, 601 Booth Street, Otawa, ON K1A 0E8, Canada, rrainbir@nrcan.gc.ca, rrainbir@nrcan.gc.ca
8
3:45 PM
PROGRESS TOWARD RECONSTRUCTING PALEOPROTEROZOIC SUPERCONTINENTS
EVANS, David A.D., Geology & Geophysics, Yale Univ, PO Box 208109, 210 Whitney Ave, New Haven, CT 06520-8109, dai.evans@yale.edu, dai.evans@yale.edu
9
4:00 PM
EARLY PALEOPROTEROZOIC EVENTS AND PROCESSES: AN OVERVIEW
HOLLAND, Heinrich D., Earth and Planetary Sciences, Harvard Univ, 20 Oxford Street, Cambridge, MA 02138, holland@eps.harvard.edu, holland@eps.harvard.edu
10
4:20 PM
PALEOPROTEROZOIC EARTH: THE RISE OF ATMOSPHERIC O2 AND THE DECLINE OF CH4
KASTING, James F., Geosciences, Penn State Univ, 443 Deike, University Park, PA 16802, kasting@essc.psu.edu, kasting@essc.psu.edu
11
4:40 PM
RISES AND FALLS OF THE ATMOSPHERIC OXYGEN IN EARLY PALEOPROTEROZOIC
PAVLOV, Alexander A., Laboratory for Atmospheric and Space Physics, Univ of Colorado at Boulder, Duane Physics Building, 392 UCB, Boulder, CO 80302 and BEKKER, Andrey, Geophysical Lab, Carnegie Institution of Washington, 5251 Broad Branch Road, Washington, DC 20015, pavlov@lasp.colorado.edu, pavlov@lasp.colorado.edu
12
4:55 PM
GLOBAL RECORDS OF THE PALEOPROTEROZOIC CARBON ISOTOPE EXCURSION
KARHU, Juha A., Department of Geology, Univ of Helsinki, PO BOX 64, Helsinki, 00014, Juha.Karhu@helsinki.fi, Juha.Karhu@helsinki.fi
13
5:10 PM
WHY DID THE RISE OF OXYGEN PRECEDE ITS "CAUSE"?
KUMP, Lee R., NASA Astrobiology Institute and Department of Geosciences, Penn State, 535 Deike Bldg, University Park, PA 16802, lkump@psu.edu, lkump@psu.edu
See more of: PARDEE KEYNOTE SYMPOSIA
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