214 The Neoproterozoic Earth and Life Co-evolution, Part II

This session aims to enhance discussions and foster interdisciplinary collaborations to advance understanding of the Neoproterozoic Earth and life co-evolution. Contributions from paleontologists, geochemists, sedimentologists, Earth system modelers, and related fields are highly encouraged.

Tuesday, 21 October 2025
1:30 PM - 4:00 PM
HBGCC, 304A

Participants

• Chair Qing Tang
• Chair Wentao Zheng
• Chair Huan Cui
• Chair Feifei Zhang

Presentations

• 1:30 PM
  Changing primary productivity influenced eukaryotic evolution at the start and end of the Neoproterozoic Era
  Lucy Webb, Stanford University, Stanford, CA and Hunter Olson, Stanford University, Stanford, CA and Maya Thompson, Stanford University, Stanford, CA and Christina Woltz, Imperial College London, London and Carl Simpson, University of Colorado Boulder, Boulder, CO and Daniel Mills, Ludwig-Maximilians-Universität München, Munich and Erik Sperling, Stanford University, Stanford, CA
  413289 (Technical Sessions)
• 1:45 PM
  Interpreting the Precambrian Biomarker Record in the Light of Genomics: Updates and New Hypotheses
  David Gold, University of California, Davis, Davis, CA and Chris Mulligan, University of California, Davis, Davis, CA and Tessa Brunoir, University of California, Davis, Davis and Malory Brown, University of California, Davis, Davis
  412901 (Technical Sessions)
• 2:05 PM
  The Same and Not the Same: A Tale of Two Contrasting Origins of Methane-Derived Authigenic Calcite and Their Implications on Neoproterozoic Carbon Cycle
  Huan Cui, Kansas State University, Manhattan, KS and Kouki Kitajima, University of Wisconsin, Madison, WI and Niels de Winter, Vrije Universiteit Amsterdam, Amsterdam and John Valley, University of Wisconsin, Madison, WI and Ian Orland, University of Wisconsin, Madison, WI and Jean-Marc Baele, University of Mons, Mons and Alan Kaufman, University of Maryland, College Park, MD and Shuhai Xiao, Virginia Tech, Blacksburg, VA and Adam Denny, Pacific Northwest National Laboratory, Richland, WA and Michael Spicuzza, University of Wisconsin, Madison, WI and John Fournelle, University of Wisconsin, Madison, WI and Steven Goderis, Vrije Universiteit Brussel, Brussels
  412069 (Technical Sessions)
• 2:20 PM
  New Ediacaran fossils of the White Sea assemblage from the Blueflower Formation, Mackenzie Mountains, Northwest Canada
  Scott Evans, American Museum of Natural History, New York, New York and Erik Sperling, Stanford University, Stanford, CA and Kimberly Lau, Penn State University, University Park, PA and Justin Strauss, Dartmouth College, Hanover, NH
  412404 (Technical Sessions)
• 2:50 PM
  Global and Local Controls on North American Carbonate Sedimentation During the Ediacaran Rise of Metazoan Life
  Daniel Segessenman, George Mason University, Fairfax, VA and Shanan Peters, University of Wisconsin-Madison, Madison, WI
  414589 (Technical Sessions)
• 3:05 PM
  Estimating late Neoproterozoic-Cambrian temperature conditions for the western Laurentian margin with chemical weathering proxies
  Jaden Olah, Stanford Doerr School of Sustainability, Port Townsend, WA and Lyle Nelson, MIT, Cambridge, MA and Lucy Webb, Stanford University, Stanford, CA and Alan Rooney, Yale University, New Haven, CT and Athena Eyster, Tufts University, Medford, MA and Daniel Brennan, Montana Bureau of Mines and Geology, Butte, MT and Benjamin Mills, University of Leeds, Leeds and Dongyu Zheng, Chengdu University of Technology, Chengdu and Erik Sperling, Stanford University, Stanford, CA
  414638 (Technical Sessions)
• 3:20 PM
  Beyond Morphology – Reading Stromatolites As Accretionary Structures
  Julie Bartley, Gustavus Adolphus College, Saint Peter, MN and Linda Kah, University of Tennessee, Knoxville, TN
  413696 (Technical Sessions)
• 3:35 PM
  Secular variation of seawater phosphate through geologic time
  Ryosuke Nagao, The University of Tokyo, Tokyo and Satoshi Yoshida, Japan Aerospace Exploration Agency, Kanagawa and Natsuko Adachi, Osaka Metropolitan University, Osaka and Yuichiro Ueno, Institute of Science Tokyo, Tokyo and Tsuyoshi Komiya, The University of Tokyo, Tokyo and Takafumi Hirata, The University of Tokyo, Tokyo
  412155 (Technical Sessions)