Program for Session 16f

14:30	Keynote: Geochemistry at the Biotic Fringe Shock E
14:45	Sulfur Isotope Evidence for Microbial Sulfate Reduction in Altered Oceanic Basalts Rouxel O, Alt J, Ono S, Honnorez J & Shimizu N
15:00	Enigmatic Archaea from the Dark, Anoxic Terrestrial Subsurface Macalady J, Jones D, McCauley R, Schaperdoth I, Bloom D & Mariani S
15:15	Microbial Community Stratification in TOC-Depleted Marine Subsurface Sediments of the Pacific Ocean Durbin A, Biddle J, Martino A, House C, Fischer J, Spivack A, Schrum H, D'Hondt S & Teske A
15:30	Quantifying Global Subseafloor Microbial Abundance: Method and Implications Kallmeyer J, Pockalny R & D'Hondt S
15:45	Real-Time in situ Volatile Characterization and Methane Carbon Stable Isotopic Composition in the Deep Sea Wankel SD, Lilley MD, Olson E & Girguis PR

357	The Biogeochemistry and Ecology of Deep Sediment-Buried Basement Biosphere: Juan de Fuca Ridge Flanks Cowen J, Lin H-T, Glazer B, Rappe M, Matzinger M, Youngbluth S, Jones R, Olson E, Albert D & Amend J
358	Iron Cycling at an Ultradiffuse Seafloor Hydrothermal System at the Base of Loihi Seamount: A Seafloor Expression of the Subsurface Glazer B & Rouxel O
359	Determination of Active Microorganisms in the Gas Reservoir Altmark and their Role in CO₂ Turnover Gniese C, Krüger M, Frerichs J, Kassahun A, Hoth N & Seifert J