Chairs: Dr. Colin Goldblatt, PhD, University of Victoria, School of Earth and Ocean Sciences, Victoria, BC, Canada and Benjamin W Johnson, University of Victoria, Victoria, BC, Canada
Primary Convener: Dr. Colin Goldblatt, PhD, University of Victoria, School of Earth and Ocean Sciences, Victoria, BC, Canada
Co-conveners: Benjamin W Johnson, University of Victoria, Victoria, BC, Canada and Paul F Hoffman, University of Victoria, Victoria, BC, Canada
OSPA Liaison: Dr. Colin Goldblatt, PhD, University of Victoria, School of Earth and Ocean Sciences, 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 (19660)
David O Zakharov, University of Oregon, Earth Sciences, Eugene, OR, United States, Ilya Bindeman, University of Oregon, Department of Earth Sciences, 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. (21972)
Gareth James Izon, University of St Andrews, St Andrews, KY16, United Kingdom, Aubrey Zerkle, University of St Andrews, St Andrews, United Kingdom, Robert Newton, University of Leeds, School of Earth and Environment, Leeds, United Kingdom, Simon Poulton, University of Leeds, Leeds, United Kingdom, Jennifer L Eigenbrode, NASA Goddard Space Flight Center, Greenbelt, MD, United States, James Farquhar, University of Maryland College Park, College Park, MD, United States and Mark Claire, University of St Andrews, Department of Earth and Environmental Sciences, St Andrews, KY16, 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 (27153)
Moutusi Roy1, Chadlin M Ostrander1, Timothy W Lyons2, Stephanie L Olson3, Roger Buick4 and Ariel D Anbar5,6, (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 California, Department of Earth Sciences, Riverside, CA, United States, (4)University of Washington, Earth and Space Sciences, Seattle, United States, (5)Arizona State University, School of Earth & Space Exploration and School of Molecular Sciences, Tempe, AZ, United States, (6)Arizona State University, Department of Chemistry & Biochemistry, Tempe, AZ, United States
Organic / inorganic carbon content and isotope analysis of 3.1Ga Cleaverville Formation in Pilbara, Australia: Result of DXCL project (21776)
Tsubasa Miki, Kyushu University, Fukuoka, Japan, Shoichi Kiyokawa, Kyushu University, Department of Earth and Planetary Science, Fukuoka, Japan, Takashi Ito, Ibaraki University, Faculty of Education, Mito, Japan, Kosei E Yamaguchi, NASA Astrobiology Institute, ., United States and Minoru Ikehara, Kochi University, Center for Advanced Marine Core Research, Nankoku, Japan
Environmental conditions during the Frasnian-Fammenian mass extinction inferred from chlorophyll-derived porphyrin biomarkers. (25517)
Benjamin Thornton Uveges, Syracuse University, Earth Sciences, Syracuse, United States, Christopher K Junium, Syracuse University, Earth Sciences, Syracuse, NY, United States, Phoebe A Cohen, MIT, Cambridge, MA, United States; Williams College, Williamstown, MA, United States and Diana Boyer, Winthrop University, Rock Hill, SC, United States
Isotope excursions and shifting oxidation states recorded in the Paleoproterozoic Franceville Basin (20398)
Vicky Wang, Syracuse University, Syracuse, NY, United States, Christopher K Junium, Syracuse University, Earth Sciences, Syracuse, NY, United States, Zunli Lu, Syracuse University, Department of Earth and Environmental Sciences, Syracuse, NY, United States and Alain Préat, University of Brussels, Brussels, Belgium
Nitrogen isotope chemostratigraphy across the Permian-Triassic boundary at Chaotian, Sichuan, South China (21204)
Masafumi Saitoh1, Yuichiro Ueno2, Manabu Nishizawa1, Yukio Isozaki3, Ken Takai4, Jianxin Yao5 and Zhansheng Ji5, (1)JAMSTEC, Yokosuka, Japan, (2)Institute of Science, Tokyo, Department of Earth and Planetary Sciences, Tokyo, Japan, (3)University of Tokyo, Bunkyo-ku, Japan, (4)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (5)Geology Institute, Chinese Academy of Geological Science, Beijing, China
Gas bubble dimensions in Archean lava flows indicate low air pressure at 2.7 Ga (30965)
Sanjoy M Som, Blue Marble Space Institute of Science, Seattle, United States, Roger Buick, University of Washington, Earth and Space Sciences, Seattle, 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, Department of Earth and Space Sciences, Seattle, United States
Signatures of Pacific-type orogeny in Lleyn and Anglesey areas, northwest Wales (28128)
Hisashi Asanuma1, Yoshihiro Okada1, Yusuke Sawaki1, Shinji Yamamoto2, Takafumi Hirata3 and Shigenori Maruyama4, (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, (4)Tokyo Institute of Technology, Department of Earth and Planetary Sciences, Tokyo, Japan
In-situ Strontium Isotopes Analysis on Single Conodont Apatite by LA-MC-ICP-MS (11045)
Laishi Zhao1, Lei Zhang1, Zhong-Qiang Chen1, Derong Ma1, Huan Qiu1, Zhengyi Lv1, Zhaochu Hu2 and Fu Wang1, (1)China University of Geosciences Wuhan, Wuhan, China, (2)China University of Geosciences Wuhan, State Key Laboratory of Geological Processes and Mineral Resources, Wuhan, China
Biogeochemical Modeling of the Second Rise of Atmospheric Oxygen (18916)
Megan Smith, University of Washington, Seattle, WA, United States, David C. Catling, University of Washington, Department of Earth and Space Sciences, Seattle, United States and Mark Claire, University of St Andrews, Department of Earth and Environmental Sciences, St Andrews, KY16, United Kingdom
Atmospheric Oxygen Variation Over the Last 100 Million Years (23905)
Andrew J. Watson1, Benjamin Mills2, Stuart J Daines3, Tim Michael Lenton3 and Claire Belcher1, (1)University of Exeter, Exeter, United Kingdom, (2)University of Leeds, Leeds, United Kingdom, (3)University of Exeter, Global Systems Institute, Exeter, United Kingdom
The Pale Orange Dot: Spectral Effects of a Hazy Early Earth (13194)
Giada Nicole Arney, NASA Goddard Space Flight Center, Greenbelt, United States, Victoria Suzanne Meadows, SETI Institute, Seattle, United States, Shawn D Domagal-Goldman, NASA Headquarters, Washington, United States, Mark Claire, University of St Andrews, Department of Earth and Environmental Sciences, St Andrews, KY16, United Kingdom and Edward Schwieterman, University of California Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States
