Chairs: Colin Goldblatt1, Benjamin W Johnson1 and Paul F Hoffman2, (1)University of Victoria, Victoria, BC, Canada(2)Organization Not Listed, Washington, DC, United States
Primary Conveners: Colin Goldblatt, University of Victoria, Victoria, BC, Canada
Co-conveners: Benjamin W Johnson, University of Victoria, Victoria, BC, Canada and Paul F Hoffman, University of Victoria, Victoria, BC, Canada; University of Victoria, Victoria, BC, Canada
OSPA Liaisons: Colin Goldblatt, University of Victoria, Victoria, BC, Canada
Tracking Down the Paleoproterozoic Glaciations 2.5-2.2 Ga Using Coeval Subglacial Meteoric-Hydrothermal Systems and Estimates of δ18O Value in Seawater at ~2.45Ga
David O Zakharov, University of Oregon, Eugene, OR, United States, Ilya N Bindeman, Univ of Oregon, Eugene, OR, United States, Nikolay S Serebryakov, Institute of Ore Geology, Petrography, Mineralogy, and Geochemistry RAS, Moscow, Russia and Vyacheslav S Kulikov, Institute of Geology, Karelian Research Centre, Petrozavodsk, Russia
A high-resolution Sulphur Isotope Record of Neoarchean Atmospheric Chemistry: Deciphering the Driver of Atmospheric Bi-stability in the Prelude to the GOE.
Gareth James Izon1, Aubrey Zerkle1, Robert Newton2, Simon Poulton2, Jennifer Eigenbrode3, James Farquhar4 and Mark Claire5, (1)University of St Andrews, St Andrews, United Kingdom, (2)University of Leeds, Leeds, United Kingdom, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)University of Maryland College Park, College Park, MD, United States, (5)University of St Andrews, Department of Earth and Environmental Sciences, St Andrews, United Kingdom
Preliminary Results from the AIDP-2 and AIDP-3 Drill Cores Hint at Systematic Mo Enrichments in the ~2.65 Ga Roy Hill Shale
Moutusi Roy1, Chadlin M Ostrander1, Timothy W Lyons2, Stephanie L Olson2, Roger Buick3 and Ariel D Anbar1,4, (1)Arizona State University, School of Earth & Space Exploration, Tempe, AZ, United States, (2)University of California Riverside, Department of Earth Sciences, Riverside, CA, United States, (3)University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States, (4)Arizona State University, Department of Chemistry & Biochemistry, Tempe, AZ, United States
Environmental conditions during the Frasnian-Fammenian mass extinction inferred from chlorophyll-derived porphyrin biomarkers.
Benjamin Thornton Uveges1, Christopher K Junium1, Phoebe A Cohen2,3 and Diana Boyer4, (1)Syracuse University, Syracuse, NY, United States, (2)MIT, Cambridge, MA, United States, (3)Williams College, Williamstown, MA, United States, (4)SUNY Oswego, Oswego, NY, United States
Nitrogen isotope chemostratigraphy across the Permian-Triassic boundary at Chaotian, Sichuan, South China
Masafumi Saitoh1, Yuichiro Ueno2, Manabu Nishizawa1, Yukio Isozaki3, Ken Takai1, Jianxin Yao4 and Zhansheng Ji4, (1)JAMSTEC, Yokosuka, Japan, (2)Tokyo Institute of Technology, Earth and Planetary sciences, Tokyo, Japan, (3)University of Tokyo, Bunkyo-ku, Japan, (4)Geology Institute, Chinese Academy of Geological Science, Beijing, China
Gas bubble dimensions in Archean lava flows indicate low air pressure at 2.7 Ga
Sanjoy M Som, Blue Marble Space Institute of Science, Seattle, WA, United States, Roger Buick, University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States, James Hagadorn, Denver Museum of Nature and Science, Denver, CO, United States, Tim Blake, University of Western Australia, Crawley, WA, Australia, John Perreault, University of Alaska Fairbanks, Fairbanks, AK, United States, Jelte Harnmeijer, Edinburgh Centre for Carbon Innovation, Edinburgh, United Kingdom and David C Catling, University of Washington, Seattle, WA, United States
Signatures of Pacific-type orogeny in Lleyn and Anglesey areas, northwest Wales
Hisashi Asanuma1, Yoshihiro Okada1, Yusuke Sawaki1, Shinji Yamamoto2, Takafumi Hirata3 and Shigenori Maruyama1, (1)Tokyo Institute of Technology, Tokyo, Japan, (2)University of Tokyo, Bunkyo-ku, Japan, (3)Kyoto University, Division of Earth and Planetary Sciences, Kyoto, Japan
The Pale Orange Dot: Spectral Effects of a Hazy Early Earth
Giada Nicole Arney1, Victoria Suzanne Meadows2, Shawn D Domagal-Goldman3, Mark Claire4 and Edward Schwieterman1, (1)University of Washington Seattle Campus, Seattle, WA, United States, (2)University of Washington, Seattle, WA, United States, (3)NASA Goddard Space Flight Center, Planetary Environments Laboratory, Greenbelt, MD, United States, (4)University of St Andrews, Department of Earth and Environmental Sciences, St Andrews, United Kingdom