B050
Filling The Gaps In The Sulfur Cycle: Using Modern Biotic And Abiotic Analogues To Understand Ancient Systems
Session ID#: 75684
Session Description:
Sulfur and its many redox states can make it both a fickle and an intriguing element to study, and for much of Earth’s history it has played a central role in shaping the chemistry of the oceans, sediments, and biology. Because sulfur is an important electron donor and acceptor for microorganisms, which fractionate sulfur isotopes, it is an important paleo proxy for understanding the major oxidation events in Earth’s history including the effects on fluxes of oxygen, iron, and methane. An often overlooked piece to the history of the sulfur cycle is how organic sulfur species fit into Earth’s biogeochemical evolution. In this session, we invite submissions on any aspect of the sulfur cycle (abiotic or biotic) in freshwater and marine sediments, with a particular emphasis on the roles organic sulfur compounds may have in explaining the rock record. We welcome both field and modeling studies.
Index Terms:
0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0460 Marine systems [BIOGEOSCIENCES]
0463 Microbe/mineral interactions [BIOGEOSCIENCES]
0488 Sulfur cycling [BIOGEOSCIENCES]
Primary Convener: Cody Sheik, University of Minnesota Duluth, Large Lakes Observatory, Duluth, MN, United States
Conveners: Kathryn M Schreiner, University of Minnesota Duluth, Large Lakes Observatory, Duluth, MN, United States and Sergei Katsev, University of Minnesota Duluth, Duluth, MN, United States
Primary Liaison: Cody Sheik, University of Minnesota Duluth, Large Lakes Observatory, Duluth, MN, United States
Sulfur Comproportionation and Sulfur Disproportionation in the Karst of Frasassi, Italy? (618114)
Heidi S Aronson, University of Southern California, Los Angeles, CA, United States, Jennifer Macalady, Pennsylvania State University Main Campus, University Park, PA, United States and Jan Amend, University of Southern California, Earth Sciences, Los Angeles, CA, United States
A dynamic model of the sulfur budget in Seneca Lake, NY (619785)
David B Finkelstein1, Emma Loubsky-Lonergan2 and Tara Curtin1, (1)Hobart and William Smith College, Geneva, NY, United States, (2)Hobart & William Smith Colleges, Geoscience, Geneva, NY, United States
Organic Sulfur Isotopes as Records of Paleoenvironmental Change (Invited) (495811)
Morgan R Raven, Univ California Santa Barbara, Earth Science, Santa Barbara, DC, United States, Samuel Webb, SLAC National Accelerator Laboratory, Menlo Park, United States and David A Fike, Washington University, St. Louis, MO, United States
Characterization of Organic Sulfur in Lake Superior, and its Contribution to Sulfur Biogeochemical Cycling (506778)
Madelyn Petersen1, Kathryn M Schreiner2, Emily Hyde3, Cody Sheik2 and Sergei Katsev1, (1)University of Minnesota Duluth, Duluth, MN, United States, (2)University of Minnesota Duluth, Large Lakes Observatory, Duluth, MN, United States, (3)University of Minnesota Duluth, Water Resource Sciences, Duluth, MN, United States
δ34S of dissolved sulfate uncovers groundwater dynamics in Grand Canyon karst systems (512171)
Vanessa Fichtner, University of Kentucky, Lexington, KY, United States, Benjamin W Tobin, Kentucky Geological Survey Lexington, Lexington, TX, United States, Jonathan Wilson, University of Kentucky, Lexington, United States and Andrea M Erhardt, University of Kentucky, Earth and Environmental Sciences, Lexington, KY, United States
Microbial Insights to Organic Sulfur Degradation in Freshwater Sediments (556784)
Emily Hyde1, Cody Sheik2, Kathryn M Schreiner2, Madelyn Petersen3 and Sergei Katsev3, (1)University of Minnesota Duluth, Water Resource Sciences, Duluth, MN, United States, (2)University of Minnesota Duluth, Large Lakes Observatory, Duluth, MN, United States, (3)University of Minnesota Duluth, Duluth, MN, United States
Sulfur Isotope Measurements of Framboidal Pyrites from the Sediments and Water Column of a Stratified Euxinic Lake (588742)
Katja M Meyer1, Miguel Alonso Rodriguez1, Shayne Morrissey1 and Clive Jones2, (1)Willamette University, Salem, OR, United States, (2)Washington University in St Louis, St. Louis, MO, United States
The Biogeochemistry of Devonian Barite and Limestone Formations in North-Central Nevada (596570)
Harpreet Kaur Batther1, Russell Scott Shapiro2 and Jochen Nuester1, (1)California State University Chico, Geological and Environmental Sciences, Chico, CA, United States, (2)California State University Chico, Chico, CA, United States
The information encoded in the isotopic composition of sedimentary sulfide (Invited) (602904)
David T Johnston, Harvard-Earth & Planet Science, Cambridge, MA, United States, Jordon Hemingway, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, Benjamin C Gill, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States and Itay Halevy, Weizmann Institute of Science, Rehovot, Israel
Effects of continuous-flow pyrolysis on the structure, sulfur speciation, and stable sulfur isotope composition of inorganic and organic sulfur pools from the Jurassic Kimmeridge Clay Formation (606361)
Molly D OBeirne, University of California Santa Barbara, Santa Barbara, CA, United States, Josef P. Werne, University of Pittsburgh, Department of Geology and Environmental Science, Pittsburgh, PA, United States, William Gilhooly III, Indiana University Purdue Univ, Earth Sciences, Indianapolis, IN, United States, Alice Bosco Santos, Universidade Federal Fluminense, Niteroi, Brazil, Morgan R Raven, Organization Not Listed, Washington, DC, United States, Alex L Sessions, California Institute of Technology, Pasadena, CA, United States and Bart Van Dongen, University of Manchester, Manchester, United Kingdom
