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Program for Session 10b

Monday 22nd June AM: Room C1/S2

10b (Oral): Redox evolution of the Earth and its influence on ore mineralization
Session chaired by Hiroshi Ohmoto & Mark Barley

11:30	Keynote: Earth’s Geodynamic and Redox Evolution and the Temporal Distribution of Archean and Paleoproterozoic Ore Deposits Barley M
12:00	Invited: Fe, S, and C Isotopes Record Great Microbial Diversity in the Neoarchean Johnson C, Yamaguchi K, Poulson S, Ohmoto H & Beard B
12:15	Invited: Euxinia in the Proterozoic Ocean, Trace Metal Abundances, and the Potential Impacts on Life Lyons T, Scott C, Reinhard C & Anbar A

Monday 22nd June PM: Room C1/S2

10b (Oral): Redox evolution of the Earth and its influence on ore mineralization
Session chaired by Hiroshi Ohmoto & Mark Barley

14:30	Precambrian Nickel Sources and Sinks Pecoits E, Lalonde S, Barley M, Kamber B & Konhauser K
14:45	Invited: REE+Y Geochemistry of the 3.46 Ga Marble Bar Chert Recovered by the Archean Biosphere Drilling Project (ABDP) Yamaguchi K, Kato Y, Nakamura K, Suzuki K, Watanabe Y, Nedachi M & Ohmoto H
15:00	The Role of Microbial Processes in Banded Iron Formation (BIF) Genesis as Constrained by Fe, C, and O Isotopes in BIF Carbonates Heimann A, Johnson C, Beard B, Valley J & Spicuzza M
15:15	Uranium Precipitation and Fluid Composition at Maureen U-Mo-F Deposit, Australia Hurtig NC, Heinrich CA, Driesner T, Wall V, Mathison I & Herrmann W
15:30	The Bluebush Zinc Prospect, NW Queensland: Multiple Base Metal Mineralising Events and a Record of Fluctuating Redox Conditions in Late Palaeoproterozoic Seas Maier R & McGoldrick P
15:45	Invited: Two Pools of Mass-Independent Sulfur Isotope Anomalies of Hydrothermal Sulfides at North Pole (~3.5 Ga Dresser Formation, Pilbara) Philippot P & Van Zuilen M
16:00	Sulfur Isotope Systematics of the Paleoproterozoic Bushy Park and Pering MVT Deposits Kim S-T, Farquhar J, Gutzmer J & Kesler S
16:15	Why Anomalous S Isotope Signatures Disappeared at ~2.4 Ga Ago? Watanabe Y & Ohmoto H
16:30	Invited: The Accretion of Volatiles in Terrestrial Planets Albarède F
16:45	Invited: Mantle-Atmosphere Interaction Through Time Kamber BS
17:00	Invited: Links between Planetary Degassing, Gold and the Redox State of Late Archean Oceans? Walshe J
17:15	Invited: Redox Evolution of Volcanic Gas Through Geologic Time Ohmoto H

Thursday 25th June AM: Room ICE

10b (Poster): Redox evolution of the Earth and its influence on ore mineralization

229	Banded Iron Formations of the ~ 2.7 Ga Manjeri Formation, Belingwe Greenstone Belt, Zimbabwe: An Anoxic Carbonate- and Sulphide-Rich Depositional Environment Bah MSI, Orberger B, Hofmann A & Tudryn A
230	The Enrichment of Platinum Group Elements (PGE) in Co-rich Crusts from the Central and Western Pacific Bu W, Shi X, Liu J & Glasby GP
231	Geochemistry of Uraninite from the Elliot Lake and Wits Basins: New Insights on the Source of Uranium Duhamel I & Cuney M
232	Metallogenesis of Dongsheng Sandstone Hosted Uranium Deposits in Ordos Basin Gao B, Zhang W & Sun Z
233	Primary Hematite Formation in an Oxygenated Deep Sea 3.46 Billion Years ago Hoashi M, Bevacqua D, Otake T, Watanabe Y, Hickman A, Utsunomiya S & Ohmoto H
234	Earth’s Oldest (~3.4 Ga) Lateritic Paleosol in the Pilbara Craton, Western Australia Johnson I, Watanabe Y, Stewart B & Ohmoto H
235	Formation Process of Micro-Metallic Aggregates in the Oklo Natural Reactor Kikuchi M & Hidaka H
236	Porphyry Cu (Au) Deposit Promoted by Redox Decoupling during Magnetite Alteration in Yulong Liang H-Y, Sun W, Ling M-X, Ding X & Yang X
237	Lateritic Sheet Air Mamedov V & Vorobjov S
238	The Characteristics of the Selenium-Bearing Minerals in the Tamusu Sandstone-Type Uranium Deposit, Inner Mongolia, China Pan J, Liu X, Xia F & Guo G