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Activity

2024

• U-Pb LA-ICP-MS GEOCHRONOLOGY OF SYNDEPOSITIONAL BOTRYOIDAL CEMENTS AS STRATIGRAPHIC TOOL
  26 D3. Recent Advances in Geochronology (Posters)
  Sunday, 22 September 2024

  8:00 AM - 5:30 PM

  Hall D

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2022

• U-PB ZIRCON GEOCHRONOLOGY OF THE PALEOPROTEROZOIC TRANSVAAL SUPERGROUP, SOUTH AFRICA
  T26 Comings and Goings of Proterozoic Global Glaciations (Posters)
  Sunday, 9 October 2022

  9:00 AM - 1:00 PM

  Exhibit Hall F

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2021

• LITHIUM AND OXYGEN ISOTOPIC COMPOSITIONS OF ANCIENT SHALES TRACE CHEMICAL WEATHERING ACROSS THE ARCHEAN-PROTEROZOIC BOUNDARY
  T8 Evolution of Earth’s Surface: Honoring Xiao-Ming Liu, Recipient of the 2021 Mineralogy, Geochemistry, Petrology, and Volcanology Division’s Early Geological Career Award
  Sunday, 10 October 2021

  8:00 AM - 12:00 PM

  Portland Ballroom 252 (Hybrid Room)

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2019

• ORGANIC-WALLED MICROFOSSILS FROM BASINAL TO SUPRATIDAL MICROBIALITE FACIES ACROSS THE NEOARCHEAN CAMBELLRAND-MALMANI CARBONATE PLATFORM, KAAPVAAL CRATON, SOUTH AFRICA
  T104 New Voices in Geobiology (Posters)
  Monday, 23 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building
• THE FEASIBILITY OF POST-DEPOSITIONAL IRON FORMATION OXIDATION AND REDOX IMPLICATIONS FOR SEAWATER IN THE PALEOPROTEROZOIC
  T7 Iron Formations, Ferruginous Sediments, and Redox through Time and Space
  Sunday, 22 September 2019

  8:00 AM - 12:00 PM

  Room 229A, North Building

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2018

• EVIDENCE FOR RAPID RATES OF OXYGENIC PHOTOSYNTHESIS WITHIN NEOARCHEAN STROMATOLITES
  T150 New Voices in Geobiology I
  Tuesday, 6 November 2018

  8:00 AM - 12:00 PM

  Room 243

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2017

• GAS PRODUCTION WITHIN ARCHEAN STROMATOLITES: EVIDENCE FOR ANCIENT MICROBIAL METABOLISMS
  T249 The Co-Evolution of Life and Its Environment during the Precambrian: The Rise of Oxygenic Photosynthesis and the Great Oxidation Event
  Tuesday, 24 October 2017

  1:30 PM - 5:30 PM

  Skagit 5
• TRACING OF THE COUPLED SI AND FE CYCLE IN THE ARCHEAN OCEAN
  T249 The Co-Evolution of Life and Its Environment during the Precambrian: The Rise of Oxygenic Photosynthesis and the Great Oxidation Event
  Tuesday, 24 October 2017

  1:30 PM - 5:30 PM

  Skagit 5

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2016

• METHANOTROPHY IN 2.7 GA SOUTH AFRICAN LAKES
  162 Paleontology, Paleoecology/Taphonomy (Posters)
  Monday, 26 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F

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2015

• GENESIS OF THE PALEOPROTEROZOIC ROOINEKKE IRON AND MANGANESE ORE DEPOSIT OF THE TRANSVAAL SUPERGROUP IN SOUTH AFRICA WITH REFERENCE TO THE HISTORY OF FREE OXYGEN IN THE OCEAN AND ATMOSPHERE
  322 Economic Geology
  Wednesday, 4 November 2015

  1:30 PM - 5:30 PM

  Room 331/332
• CARBON ISOTOPIC EVIDENCE OF PHOTOAUTOTROPHY IN AN OPEN MARINE ECOSYSTEM PRECEDING THE GREAT OXYGENATION EVENT
  T280 Geobiology of Critical Transitions: Integrating Fossils, Proxies, and Models II
  Wednesday, 4 November 2015

  8:00 AM - 12:00 PM

  Room 325/326
• EXCEPTIONALLY LARGE NEOARCHEAN SPHEROIDAL MICROFOSSILS FROM SOUTH AFRICA: POSSIBLE CONTRIBUTORS TO THE GOE
  T280 Geobiology of Critical Transitions: Integrating Fossils, Proxies, and Models II
  Wednesday, 4 November 2015

  8:00 AM - 12:00 PM

  Room 325/326
• TEMPERATURE DEPENDENT MAGNETIC PROPERTIES OF MAGNETITE-RICH BANDS OF THE 3.25 GA FIG TREE GROUP FROM BARB4 DRILL CORE
  T292 Geophysical Solutions to Geological Problems: Current Research Results and the Annual George P. Woollard Award Presentation (Posters)
  Wednesday, 4 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• COMBINED (U-TH)/NE AND (U-TH)/HE HEMATITE AGES AND 4HE/3HE THERMOCHRONOLOGY OF THE TRANSVAAL SUPERGROUP, SOUTH AFRICA
  T104 Novel Methods, Applications, and Data Interpretations in Thermochronology
  Monday, 2 November 2015

  8:00 AM - 12:00 PM

  Room 310

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2014

• NEW GEOCHRONOLOGICAL DATA FROM THE BOOLGEEDA BIF AND WOONGARRA RHYOLITE, HAMERSLEY GROUP (WESTERN AUSTRALIA)
  T85 Precambrian Sedimentology: From the Field to the Laboratory II
  Sunday, 19 October 2014

  1:00 PM - 5:00 PM

  204

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2013

• NEW DETRITAL ZIRCON AGE CONSTRAINTS ON THE PALEOPROTEROZOIC WOLHAARKOP-DRAKENSTEIN LATERITIC PALEOSOL, GAMAGARA KARST LATERITES AND THE LUCKNOW HEAVY CARBONATE CARBON ISOTOPE EXCURSION, GRIQUALAND WEST, SOUTH AFRICA
  269 Precambrian Geology
  Tuesday, 29 October 2013

  1:00 PM - 5:00 PM

  Mile High Ballroom 4EF
• DETECTION OF EXTRATERRESTRIAL MATERIAL IN CA. 2.49 GA KURUMAN SPHERULE LAYER, SOUTH AFRICA
  T200 Impact Cratering in the Solar System: Fire to Ice—Vacuum to Atmospheres
  Tuesday, 29 October 2013

  8:00 AM - 12:00 PM

  Room 201
• DETRITAL ZIRCON AGE CONSTRAINT OF THE MAKGANYENE SNOWBALL EARTH EVENT (SOUTH AFRICA) AT 2.25-2.22 GA: THE YOUNGEST OF FOUR HURONIAN GLACIATIONS?
  130 Special Session: A Life in Earth History from Tectonics to Climate (Posters): The Scientific Legacy of Paul F. Hoffman
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D
• LITHOFACIES OF THE PALEOPROTEROZOIC MOOIDRAAI FORMATION (SOUTH AFRICA) AND AN ALTERNATIVE MODEL FOR THE SETTING OF THE KALAHARI MANGANESE FIELD
  130 Special Session: A Life in Earth History from Tectonics to Climate (Posters): The Scientific Legacy of Paul F. Hoffman
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D

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2010

• SULFUR ISOTOPES OF BASE-METAL SULFIDE AND BARITE PAIRS FROM THE AGGENEYS-GAMSBERG BHT DISTRICT, SOUTH AFRICA
  246 Economic Geology (Posters)
  Wednesday, 3 November 2010

  8:00 AM - 6:00 PM

  Hall D
• NEW CONSTRAINTS FOR THE OXIDIZATION OF DEEP OCEANS
  78 Recent Advances in Precambrian Geology
  Monday, 1 November 2010

  8:00 AM - 12:00 PM

  Mile High Ballroom 1CD
• FE, C, AND O ISOTOPE COMPOSITIONS OF BANDED IRON FORMATION CARBONATES DEMONSTRATE THE ROLE OF BACTERIAL DISSIMILATORY IRON REDUCTION IN ~ 2.5 B.Y. OLD MARINE ENVIRONMENTS
  15 Igneous/Metamorphic Petrology and Geochemistry II
  Sunday, 14 March 2010

  1:30 PM - 4:15 PM

  Hopkins

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2009

• MONTEVILLE SPHERULE LAYER (NEOARCHEAN, TRANSVAAL SUPERGROUP, SOUTH AFRICA) LOOKS FAMILIAR IN THREE NEW CORES THAT TRIPLE ITS AREAL EXTENT
  T207 Impact Cratering from the Microscopic to the Planetary Scale I
  Tuesday, 20 October 2009

  1:30 PM - 5:30 PM

  A106

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2007

• GENESIS OF HIGH-GRADE IRON ORES OF THE ARCHEAN IRON ORE GROUP AROUND NOAMUNDI, INDIA
  149 Economic Geology
  Tuesday, 30 October 2007

  1:30 PM - 5:30 PM
• REARRANGING VAALBARA WITH NEW GEOCHRONOLOGICAL AND PALEOMAGNETIC DATA FROM THE NEOARCHEAN VENTERSDORP SUPERGROUP OF SOUTHERN AFRICA
  T104 Pulse of the Earth: Geochronology and Paleomagnetism of Large Igneous Provinces, the Key to Reconstructing Precambrian Supercontinents
  Monday, 29 October 2007

  1:30 PM - 5:30 PM
• NEW INSIGHTS INTO 1.87 GA INTRAPLATE MAGMATISM AND THE APPARENT POLAR WANDER PATH OF THE KAAPVAAL CRATON AS DRAWN FROM THE SOUTPANSBERG GROUP
  T104 Pulse of the Earth: Geochronology and Paleomagnetism of Large Igneous Provinces, the Key to Reconstructing Precambrian Supercontinents
  Monday, 29 October 2007

  1:30 PM - 5:30 PM