B21A
(Bio-Isotopic) Message in a (Rock Record) Bottle: Who Wrote It, How Did It Get Here, and What Does It Tell Us? I Posters

Tuesday, 15 December 2015: 08:00-12:20
Poster Hall (Moscone South)
Primary Conveners:  William Leavitt, Washington University in St Louis, St. Louis, MO, United States; Dartmouth College, Department of Earth Sciences, Hanover, NH, United States
Conveners:  Alexandra v Turchyn, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom, Jeff R Havig, University of Cincinnati Main Campus, Cincinnati, OH, United States and Andrew D Czaja, University of Cincinnati Main Campus, Department of Geology, Cincinnati, OH, United States
Chairs:  William Leavitt, Washington University in St Louis, St. Louis, MO, United States and Jeff R Havig, University of Cincinnati Main Campus, Cincinnati, OH, United States
OSPA Liaisons:  Jeff R Havig, University of Cincinnati Main Campus, Cincinnati, OH, United States
 
Automated Imaging Techniques for Biosignature Detection in Geologic Samples (83609)
Kenneth H Williford, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
 
SIMS and NanoSIMS analyses of Mesoproterozoic individual microfossils indicating continuous oxygen-producing photosynthesis in Proterozoic Ocean (86787)
Xiaotong Peng1, Zixiao Guo2, Christopher H House3, Shun Chen4 and Kaiwen Ta1, (1)Sanya Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya, China, (2)Sanya Institute of Deep-sea Science and Engineering, Sanya, China, (3)Pennsylvania State University, State College, PA, United States, (4)Sanya Institute of Deep-sea Science and Engineering, Deep-sea Science Division, Sanya, China
 
Molecular and Isotopic Signs of Life and Climate in the Hyperarid Atacama Desert (74843)
Kari M Finstad1, Michael L Tuite Jr2, Kenneth H Williford2 and Ronald Amundson1, (1)University of California Berkeley, Environmental Science, Policy and Management, Berkeley, CA, United States, (2)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
 
Sulfate-driven anaerobic oxidation of methane as the origin of extremely 13C-depleted calcite in the Doushantuo cap carbonates in South China (64536)
Yongbo Peng1, Huiming Bao1, Ganqing Jiang2, Alan Jay Kaufman3, Shuhai Xiao4, Chuanming Zhou5 and Jiasheng Wang6, (1)Louisiana State University, Baton Rouge, LA, United States, (2)University of Nevada Las Vegas, Las Vegas, NV, United States, (3)Univ Maryland, Ashton, MD, United States, (4)Virginia Tech, Blacksburg, VA, United States, (5)Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China, (6)State Key Laboratory of Biogeology and Environmental Geology, Wuhan, China
 
Isotopic Equilibration Between Sulfide and Organic Matter: Implications for Records of Sedimentary δ34S. (70027)
Morgan R Raven, California Institute of Technology, Pasadena, CA, United States
 
Theoretical estimation of equilibrium sulfur isotope fractionations among aqueous sulfite species: Implications for isotope models of microbial sulfate reduction (70743)
Daniel Lee Eldridge1, James Farquhar1 and Weifu Guo2, (1)University of Maryland College Park, College Park, MD, United States, (2)Woods Hole Oceanographic Institution, Woods Hole, MA, United States
 
Diurnal sulfur isotope patterns in a stratified euxinic lake (79079)
William Gilhooly III1, Josef Peter Werne2, Molly O'Beirne2, James Howard Harris IV1, Fotios Fouskas1, Jeff R Havig3, Trinity L Hamilton4 and Michael McCormick5, (1)Indiana University Purdue University Indianapolis, Indianapolis, IN, United States, (2)Univ Pittsburgh, Pittsburgh, PA, United States, (3)University of Cincinnati Main Campus, Cincinnati, OH, United States, (4)University of Cincinnati Main Campus, Biological Sciences, Cincinnati, OH, United States, (5)Hamilton College, Clinton, United States
 
Electron-bifurcating transhydrogenase is central to hydrogen isotope fractionation during lipid biosynthesis in sulfate reducing bacteria (85868)
William Leavitt1, Theodore M Flynn2, Melanie Suess1 and Alexander S Bradley1, (1)Washington University in St Louis, St. Louis, MO, United States, (2)Argonne National Laboratory, Argonne, IL, United States
 
Evidence for a lack of biological P-cycling in a Cambrian soil (74116)
Ziran Wei, Yongbo Peng and Huiming Bao, Louisiana State University, Baton Rouge, LA, United States
 
Microbial Mg-carbonate Precipitation and Early Diagenetic Dolomite Crust Formation at Hypersaline Lagoon, Rio de Janeiro State, Brazil. (74746)
Anelize Manuela Bahniuk Rumbelsperger1, Judith A. McKenzie2, Edoardo Perri3, Natalie Vögeli4 and Crisogono Vasconcelos2, (1)Universidade Federal do Paraná, Centro, Brazil, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)Università della Calabria, Rende, Italy, (4)University Joseph Fourier Grenoble, Grenboble, France
 
Developing a Metal Proxy for the Rise of Early Terrestrial Life (85812)
Samuel Phillip Rochelle1, Ariel D Anbar2, Hilairy Ellen Hartnett1, Stephen J Romaniello3 and Amisha T Poret-Peterson1, (1)Arizona State University, Tempe, AZ, United States, (2)Arizona State University, Department of Chemistry, Tempe, AZ, United States, (3)Arizona State University, School of Earth & Space Exploration, Tempe, AZ, United States
 
Oxygen Isotope Signatures of Biogenic Manganese(III/IV) Oxides (76258)
Kevin Michael Sutherland, Massachusetts Institute of Technology, Cambridge, MA, United States
 
Importance of Tetrahedral Iron during Microbial Reduction of Clay Mineral NAu-2 (65124)
Bingjie Shi1,2, Lingling Wu1,2, Kai Liu1,2, Christina Marie Smeaton1,2, Weiqiang Li3,4, Brian L Beard3,5, Clark Johnson3,5, Eric E Roden3,5 and Philippe Van Cappellen1,2, (1)University of Waterloo, Department of Earth and Environmental Sciences, Waterloo, ON, Canada, (2)University of Waterloo, Water Institute, Waterloo, ON, Canada, (3)University of Wisconsin Madison, Department of Geoscience, Madison, WI, United States, (4)Nanjing University, School of Earth Sciences and Engineering, Nanjing, China, (5)NASA Astrobiology Institute, USA, United States
 
Iron Isotope Fractionation Reveals Structural Change upon Microbial and Chemical Reduction of Nontronite NAu-1 (68724)
Kai Liu1, Lingling Wu2, Bingjie Shi1, Christina Marie Smeaton3, Weiqiang Li4, Brian L Beard5, Clark Johnson5, Eric E Roden6 and Philippe Van Cappellen1, (1)University of Waterloo, Waterloo, ON, Canada, (2)University of Waterloo, Department of Earth and Environmental Sciences, Waterloo, ON, Canada, (3)University of Waterloo, Ecohydrology Research Group, Waterloo, ON, Canada, (4)Nanjing University, School of Earth Sciences and Engineering, Nanjing, China, (5)University of Wisconsin Madison, Department of Geoscience, Madison, WI, United States, (6)University of Wisconsin Madison, Geoscience, Madison, WI, United States
 
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