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

Monday, 8 November 2004
1:30 PM - 5:30 PM

Presentations

• 1:30 PM
  LINKED HYDROSPHERIC AND ATMOSPHERIC CHANGES ATTENDING PROTRACTED BREAKUP OF THE LATE ARCHEAN SUPERCONTINENT
  Andrey Bekker, Carnegie Institution of Washington, Washington, DC
  80158 (Technical Sessions)
• 1:50 PM
  LATE ARCHEAN TO EARLY PALEOPROTEROZOIC GLOBAL TECTONICS AND ENVIRONMENTAL CHANGE
  Mark E. Barley, The Univ of Western Australia, Crawley, N/A
  75755 (Technical Sessions)
• 2:10 PM
  TIMING AND PROVENANCE OF NEOARCHEAN-PALEOPROTEROZOIC UNCONFORMITY BOUNDED SEQUENCES ON THE KAAPVAAL CRATON
  Nicolas J. Beukes, Rand Afrikaans Univ, Auckland Park, N/A and Herman C. Dorland, Rand Afrikaans Univ, Auckland Park, N/A and Jens Gutzmer, University of Johannesburg, Auckland Park, N/A and David A.D. Evans, Yale Univ, New Haven, CT and Richard A. Armstrong, Australian National Univ, Canberra, N/A
  78610 (Technical Sessions)
• 2:30 PM
  DEEP-MARINE DEPOSITED HAMERSLEY BIFS: SIGNIFICANCE TO ENVIRONMENTAL CHANGE ACROSS THE ARCHEAN-PALEOPROTEROZOIC BOUNDARY
  Bryan Krapez, The Univ of Western Austrtalia, Crawley, N/A
  75761 (Technical Sessions)
• 2:50 PM
  2.5-2.4 GA GLOBAL MAGMATISM: REMNANTS OF SUPERCONTINENTS OR PRODUCTS OF SUPERPLUMES?
  Larry M. Heaman, Univ of Alberta, Edmonton, AB
  78238 (Technical Sessions)
• 3:10 PM
  COLLISIONAL OROGENESIS AT CA. 2.35 GA IN THE RAE DOMAIN, WESTERN CHURCHILL PROVINCE, NUNAVUT, CANADA
  Robert G. Berman, Geol Survey of Canada, Ottawa, ON and Mary Sanborn-Barrie, Geol Survey of Canada, Ottawa, ON and Richard A. Stern, Geol Survey of Canada, Ottawa, ON and Michael J. Jercinovic, Univ of Massachusetts, Amherst, MA and Tom Skulski, Geol Survey of Canada, Ottawa, ON
  80694 (Technical Sessions)
• 3:25 PM
  CHARACTERISTICS AND COMPARISON OF THE BASAL PALEOPROTEROZOIC COVER SEQUENCE OF THE SUPERIOR AND WESTERN CHURCHILL PROVINCES OF LAURENTIA
  Robert H. Rainbird, Geol Survey of Canada, Ottawa, ON and William J. Davis, Geol Survey of Canada, Ottawa, ON and Sally Pehrsson, Geol Survey of Canada, Otawa, ON
  80892 (Technical Sessions)
• 3:45 PM
  PROGRESS TOWARD RECONSTRUCTING PALEOPROTEROZOIC SUPERCONTINENTS
  David A.D. Evans, Yale Univ, New Haven, CT
  78551 (Technical Sessions)
• 4:00 PM
  EARLY PALEOPROTEROZOIC EVENTS AND PROCESSES: AN OVERVIEW
  Heinrich D. Holland, Harvard Univ, Cambridge, MA
  75529 (Technical Sessions)
• 4:20 PM
  PALEOPROTEROZOIC EARTH: THE RISE OF ATMOSPHERIC O2 AND THE DECLINE OF CH4
  James F. Kasting, Penn State Univ, University Park, PA
  74666 (Technical Sessions)
• 4:40 PM
  RISES AND FALLS OF THE ATMOSPHERIC OXYGEN IN EARLY PALEOPROTEROZOIC
  Alexander A. Pavlov, Univ of Colorado at Boulder, Boulder, CO and Andrey Bekker, Carnegie Institution of Washington, Washington, DC
  80970 (Technical Sessions)
• 4:55 PM
  GLOBAL RECORDS OF THE PALEOPROTEROZOIC CARBON ISOTOPE EXCURSION
  Juha A. Karhu, Univ of Helsinki, Helsinki, N/A
  78749 (Technical Sessions)
• 5:10 PM
  WHY DID THE RISE OF OXYGEN PRECEDE ITS "CAUSE"?
  Lee R. Kump, Penn State, University Park, PA
  74880 (Technical Sessions)