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Activity

2006

• REDOX TRACE ELEMENT AND ORGANIC CARBON GEOCHEMISTRY OF THE NEOARCHEAN CAMPBELLRAND CARBONATE PLATFORM (TRANSVAAL SUPERGROUP, SOUTH AFRICA)
  T20 Changes in Ocean and Atmospheric Redox State and the Evolution of Life I
  Sunday, 22 October 2006

  8:00 AM - 12:00 PM

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2005

• THE SECULAR DISTRIBUTION OF MISSISSIPPI VALLEY-TYPE PB-ZN DEPOSITS
  T103 The Evolving Earth: Implications for Ore Deposit Formation, Evolution, and Benefaction
  Monday, 17 October 2005

  1:30 PM - 5:30 PM

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2004

• THE SIGNIFICANCE OF ‘MICROBIALLY INDUCED SEDIMENTARY STRUCTURES – MISS’ FOR THE SEQUENCE STRATIGRAPHY OF SILICICLASTIC DEPOSITS OF THE 2.9 GA OLD WITWATERSRAND SUPERGROUP, SOUTH AFRICA
  198 Sediments, Clastic: Petrology and Alluvial Architecture
  Wednesday, 10 November 2004

  8:00 AM - 12:00 PM
• TIMING AND PROVENANCE OF NEOARCHEAN-PALEOPROTEROZOIC UNCONFORMITY BOUNDED SEQUENCES ON THE KAAPVAAL CRATON
  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

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2002

• OXYGEN ISOTOPE GEOCHEMISTRY OF HEMATITE IN BIF-HOSTED HIGH-GRADE IRON ORES: IMPLICATIONS FOR THE COMPOSITION OF PALEOPROTEROZOIC METEORIC WATER
  T169 Evolution of the Early Atmosphere, Hydrosphere, and Biosphere I: Constraints from Ore Deposits
  Tuesday, 29 October 2002

  1:30 PM - 5:30 PM
• SUPERGENE AND HYPOGENE HEMATITIZATION EVENTS ASSOCIATED WITH PALEOPROTEROZOIC IRON AND MANGANESE ORES, SOUTH AFRICA
  T169 Evolution of the Early Atmosphere, Hydrosphere, and Biosphere I: Constraints from Ore Deposits
  Tuesday, 29 October 2002

  1:30 PM - 5:30 PM
• PISOLITIC IRONSTONE AND FERRICRETE IN THE 2.22 - 2.4 GA TIMEBALL HILL FORMATION, TRANSVAAL SUPERGROUP: IMPLICATIONS FOR THE HISTORY OF ATMOSPHERIC OXYGEN
  125 Evolution of the Early Atmosphere, Hydrosphere, and Biosphere: Constraints from Ore Deposits
  Tuesday, 29 October 2002

  8:00 AM - 12:00 PM

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2001

• DEPOSITIONAL AND METAMORPHIC CONTROLS ON CARBON ISOTOPIC VARIATIONS IN THE PALEOPROTEROZOIC TIMEBALL HILL FORMATION, SOUTH AFRICA
  159 Paleoclimatology/Paleoceanography II
  Thursday, 8 November 2001

  8:15 AM - 12:00 PM