PP029
Understanding the Influences of Sedimentary and Oceanographic Processes on Geochemical Archives across Geologic Time

Session ID#: 157956

Session Description:
The chemical composition of sedimentary archives underlies much of our understanding of the coupled biological and chemical evolution of Earth across geologic time. However, sedimentary and oceanographic parameters, ranging from sedimentation rate to the strength of the overturning circulation and diagenetic reactions, alter the chemical and isotopic composition of marine sedimentary deposits. Resolving the role of such processes in regulating sedimentary geochemistry is critical for challenging traditional interpretations of geologic archives and for improving our understanding of Earth’s chemical evolution. We welcome abstract submissions across a range of disciplines (sedimentology, oceanography, geology), time scales (recent, Precambrian), samples (pore fluids, sediments, rocks), and approaches (experimental, modeling) that address the roles of sedimentology and oceanography in regulating the major and trace elemental and/or major and minor isotopic composition of marine sediments and sedimentary rocks (carbonate, chert, mudstone, siltstone, shale). We particularly encourage abstract submissions from early-career researchers and scientists in underrepresented groups.
Index Terms:

1051 Sedimentary geochemistry [GEOCHEMISTRY]
1065 Major and trace element geochemistry [GEOCHEMISTRY]
3022 Marine sediments: processes and transport [MARINE GEOLOGY AND GEOPHYSICS]
4912 Biogeochemical cycles, processes, and modeling [PALEOCEANOGRAPHY]

Primary Convener:  Preston Cosslett Kemeny, California Institute of Technology, Pasadena, CA, United States
Conveners:  Daniel Johnson, Rice University, Earth, Environmental & Planetary Sciences, Houston, TX, United States and Kimberly V Lau, Pennsylvania State University, Department of Geosciences, University Park, United States
Student/Early Career Convener:  Preston Cosslett Kemeny, California Institute of Technology, Pasadena, CA, United States
 
Combining radiogenic isotope provenance tracers with grain-size analysis to reconstruct temporal and spatial patterns of ice sheet development on Antarctica during the Eocene Oligocene Transition (1048296)
Keehwan Lee, Columbia, SC, UNITED STATES, Brian Romans, Virginia Tech, Geosciences, Blacksburg, United States and Howie Scher, University of South Carolina, Department of Earth and Ocean Sciences, Columbia, United States
 
Assessing pyrite oxidation during barite extraction from synthetic marine sediments (1048469)
Weiqi Yao, Southern University of Science and Technology, Department of Ocean Science and Engineering, Shenzhen, China, Man-Yin Tsang, Kobe University, Department of Planetology, Kobe, Japan and Ulrich G Wortmann, University of Toronto, Department of Earth Sciences, Toronto, ON, Canada
 
Quantifying the Impact of δ13Ccarb Curve Completeness on Correlation Accuracy with a Dynamic Time Warping Algorithm (1052392)
Paige Reynolds, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States and Jessica R Creveling, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States
 
Constraints on the Nature of Primary Precipitates in Archean Iron Formations from Spectroscopic and Theoretical Determinations of the Equilibrium Iron Isotopic Behavior of Greenalite and Ferrihydrite (1082288)
Andrew Heard1, Nicolas Dauphas2, Isaac L Hinz3, Jena E Johnson4, Marc Blanchard5, Esen Ercan Alp6, Michael Y. Hu6, Jiyong Zhao6, Barbara Lavina7, Mark E Fornace8, Justin Hu9 and Benoît Baptiste10, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)University of Chicago, Origins Laboratory, Department of the Geophysical Sciences and Enrico Fermi Institute, Chicago, United States, (3)University of Michigan Ann Arbor, Ann Arbor, United States, (4)University of Michigan Ann Arbor, Earth and Environmental Sciences, Ann Arbor, MI, United States, (5)Géosciences Environnement Toulouse (GET), Université de Toulouse, Toulouse, France, (6)Argonne National Laboratory, Argonne, IL, United States, (7)X-ray Sciences Division, Advanced Photon Source, Argonne National Laboratory, Argonne, IL, United States, (8)California Institute of Technology, Pasadena, United States, (9)University of Chicago, Department of the Geophysical Sciences, Chicago, IL, United States, (10)Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie (IMPMC), Sorbonne Universités - UPMC Univ. Paris 06, UMR CNRS 7590, Muséum National d’Histoire Naturelle, UR 206, 4 Place Jussieu, F-75005 Paris, France
 
Orbital-Scale Change of Surface Water Productivity in the Del Caño Rise (Southwest Indian Ocean) over the Last 250 ka. (1084187)
Hyuk Choi1, Xavier Crosta2, JuYeon Yang1, Isabelle Billy2, Sangbeom Ha1, Kwangkyu Park3 and Boo-Keun Khim1, (1)Pusan National University, Department of Oceanography, Busan, South Korea, (2)University of Bordeaux, UMR-CNRS 5085 EPOC, Pessac Cedex, France, (3)Pusan National University, Marine Research Institute, Busan, South Korea
 
High-precision and high spatial resolution isotope measurements of seafloor-drilled cherts: What can we learn about diagenesis of ancient cherts? (1085243)
David O Zakharov1, Johanna Marin-Carbonne1, Andreas Pack2 and Tommaso Di Rocco2, (1)University of Lausanne, Lausanne, Switzerland, (2)Georg-August-Universitaet Goettingen, Geowissenschaftliches Zentrum, Goettingen, Germany
 
Mass balance constraints on euphotic iodine speciation from GEOTRACES meridional and zonal Pacific transects (1088383)
Alexi Schnur and Dalton Hardisty, Michigan State University, Department of Earth and Environmental Sciences, East Lansing, MI, United States
 
Delayed resurgence of the Mediterranean following the post-Messinian megaflood (1089266)
Udara Amarathunga1, Andrew M Hogg1, Eelco Johan Rohling1,2, Andrew P Roberts1, Katharine Grant1, David Heslop1, Pengxiang Hu1, Diederik Liebrand3, Thomas Westerhold3, Xiang Zhao1 and Stewart Gilmore4, (1)Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, (2)University of Southampton, Ocean and Earth Sciences, Southampton, United Kingdom, (3)MARUM - University of Bremen, Bremen, Germany, (4)Geoscience Australia, Canberra, Australia
 
Deep Sea Time Machine: Marine Sediment Cores as Indicators of Ancient Upwelling Conditions (1092236)
Apollonia Arellano1, Nuri van Dommelen2, Timothy Herbert2 and Weimin Si3, (1)California Polytechnic State University San Luis Obispo, San Luis Obispo, CA, United States, (2)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, United States, (3)Brown University, DEEPS, Providence, RI, United States
 
Micro-Scale Geochemical Analysis of Molybdenum Distribution in Shales Deposited Under Different Redox Conditions (1092512)
Haolin Zhou, Rice University, Earth, Environmental and Planetary Sciences, Houston, United States, Mark Torres, Rice University, Department of Earth, Environmental and Planetary Sciences, Houston, TX, United States, Nicholas B Harris, University of Alberta, Edmonton, AB, Canada, Gelu Costin, Rice University, Earth, Environmental, and Planetary Sciences, Houston, United States and Tanguy Terlier, Rice University, Shared Equipment Authority, Houston, United States
 
The Cycling of 231Pa in the Pacific Ocean and Implications for its Use as a Paleoceanographic Proxy (1093177)
Christopher T Hayes1, Neil Redmond1, Anne Leal2, Robert F Anderson3, Erin E Black4, Martin Q Fleisher3, R. Lawrence Edwards5, Xianglei Li6, Peter Schroedl7 and Phoebe J Lam8, (1)University of Southern Mississippi, School of Ocean Science and Engineering, Stennis Space Center, United States, (2)Columbia University, New York, United States, (3)Lamont-Doherty Earth Obs, Palisades, NY, United States, (4)Lamont-Doherty Earth Obs, Palisades, United States, (5)Nanjing Normal University, Dept. of Geography, Nanjing, China, (6)University of Minnesota, Department of Earth Sciences, Minneapolis, United States, (7)Boston University, Boston, United States, (8)University of California Santa Cruz, Department of Ocean Sciences, Santa Cruz, CA, United States
 
How do the internal dynamics of sedimentary systems affect organic carbon burial and environmental signal preservation? (1093625)
Mark A Torres, Rice University, Department of Earth, Environmental, and Planetary Sciences, Houston, TX, United States, Yi Hou, University of Southern California, Los Angeles, CA, United States, Daniel Johnson, Rice University, Houston, United States, Ziye Li, Ocean University of China, Qingdao, China, Kyle M Straub, Tulane University, Department of Earth and Environmental Sciences, New Orleans, United States and Yige Zhang, Yale University, Department of Geology and Geophysics, New Haven, CT, United States
 
Iodine Speciation in the Redox-stratified Baltic Sea and Implications for I/Ca Paleoredox Interpretations (1094306)
Keyi Cheng and Dalton Hardisty, Michigan State University, Department of Earth and Environmental Sciences, East Lansing, MI, United States
 
Using Cadmium Isotopes in Banded Iron Formations through Time to Reconstruct Surface Water Bioproductivity (1102607)
Robert Frei, Jesper Allan Allan Frederiksen and Samantha R. Walker, University of Copenhagen, Geosciences and Natural Resource Management, København K, Denmark
 
What Do We Date When We Date Carbonates? A Case Study from the Cretaceous Kootenai Fm (1102644)
Marjorie Cantine, Goethe University Frankfurt, Frankfurt, Germany, Emily Finzel, University of Iowa, Earth & Environmental Sciences, Iowa City, United States and Axel Gerdes, Goethe University Frankfurt, Institute of Geosciences, Frankfurt am Main, Germany
 
Spatial Heterogeneity in Beryllium Isotopic Distribution in the Indian Ocean (1104780)
Partha Sarathi Jena, Physical Research Laboratory Ahmedabad India, Ahmedabad, India and Ravi Bhushan, Physical Research Laboratory, Geosciences Division, Ahmedabad, India
 
A Geochemical, Nd-Sr, Stable Ca Isotopic Investigation of Modern Non-Skeletal Carbonates from Lacustrine and Marine Depositional Setting and Proterozoic Carbonates from the Sedimentary Basins of India (1110011)
Pallabi Basu, Indian Institute of Science, Centre for Earth Sciences, Bangalore, India, Ramananda Chakrabarti, Indian Institute of Science Bangalore, Centre for Earth Sciences, Bangalore, India, Andrew H Knoll, Harvard University, Department of Organismic and Evolutionary Biology, Cambridge, MA, United States and Sarbani Patranabis-Deb, Indian Statistical Institute, Geological Studies Unit, Kolkata, India
 
Probing the Reactivity of Fe-serpentine to Interpret Its Role in Controlling and Recording Earth’s Biogeochemical Evolution (1114734)
Serhat Sevgen, Juan Carlos de Obeso, Ian Fleming, Qin Zhang and Benjamin M Tutolo, University of Calgary, Department of Geoscience, Calgary, AB, Canada
 
Comparison of Thallium with the Molybdenum and Uranium Isotope Paleoredox Proxies: A Case Study from the Upper Devonian Kettle Point Formation, Ontario, Canada (1118170)
Natasha Bell, University of Waterloo, Waterloo, ON, Canada and Brian Kendall, University of Waterloo, Earth and Environmental Sciences, Waterloo, ON, Canada
 
Exploring the Relative Roles of Biogenic and Hydrothermal Particles as Drivers of Metal Scavenging in the Equatorial Pacific (1121870)
Neil Redmond1, Christopher T Hayes1, Robert F Anderson2, Annie Leal3, Erin E Black4, Martin Q Fleisher2, R. Lawrence Edwards5, Xianglei Li5 and Phoebe J Lam6, (1)University of Southern Mississippi, School of Ocean Science and Engineering, Stennis Space Center, United States, (2)Lamont-Doherty Earth Obs, Palisades, NY, United States, (3)Lamont -Doherty Earth Observatory, Palisades, United States, (4)Lamont-Doherty Earth Obs, Palisades, United States, (5)University of Minnesota, Department of Earth Sciences, Minneapolis, United States, (6)University of California Santa Cruz, Department of Ocean Sciences, Santa Cruz, CA, United States
 
231Pa/230Th Ratios in the Atlantic and Indian Oceans and their Implications for the Application of U-Series Nuclides as an Ocean Circulation Proxy (1125322)
Robert F Anderson, Columbia University of New York, Palisades, NY, United States, Annie Leal, Lamont -Doherty Earth Observatory, Palisades, United States, Alexandra Renee Bausch, Stanford University, Earth System Sciences, Stanford, CA, United States and Martin Q Fleisher, Lamont-Doherty Earth Obs, Palisades, NY, United States
 
Investigating the Potential for Sulfate Reduction Driving Dolomitization at IODP Site 378-U1553 (1129719)
Alex Reis, University of Kentucky, Earth and Environmental Sciences, Lexington, KY, United States, Vanessa Fichtner, Linnaeus University, Kalmar, Sweden and Andrea M Erhardt, University of Kentucky, Department of Earth and Environmental Sciences, Lexington, United States
 
Redox Structure of the Bambuí Basin, Eastern Brazil, and the Role of Oxygenation Conditions on the Development of Complex Life Forms in the Ediacaran/Cambrian Transition (1132111)
Fabricio Caxito1, Erik A Sperling2, Gabriel Jubé Uhlein1, Paulo HA Dias3, Willian AL Moura1, Matheus F Lima1, Samantha Ritzer2, Hunter Olson2, Simon Poulton4 and Yijun Xiong4, (1)UFMG Universidade Federal de Minas Gerais, Departamento de Geologia, Belo Horizonte, Brazil, (2)Stanford University, Department of Geological Sciences, Stanford, United States, (3)CPRM Geological Survey of Brazil, Belo Horizonte, Brazil, (4)University of Leeds, Leeds, United Kingdom
 
Low phosphorus concentrations and important ferric hydroxide scavenging in Archean seawater (1132385)
Eric Siciliano Rego, USP University of Sao Paulo, São Paulo, Brazil, Vincent Busigny, Institut de Physique du Globe de Paris, Paris, France, Stefan Lalonde, IUEM Institut Universitaire Européen de la Mer, Laboratoire Géosciences Océan, Plouzané, France, Camille Rossignol, Universidade de São Paulo, Geophysics, São Paulo, Brazil, Marly Babinski, University of São Paulo, Sao Paulo, Brazil and Pascal Philippot, Géosciences Montpellier, CNRS, Montpellier Cedex 05, France
 
Application of Marine Pore-water studies in constraining Lithium Mass Budget of Seawater. (1144154)
Juzer Shaikh, Indian Institute of Science, Bangalore, India and Sambuddha Misra, Indian Institute of Science, Bangalore, Centre for Earth Sciences, Bangalore, India
 
Biomineralization of Iron Sulfide via Microbial Sulfate Reduction in Loch Duart (NW Scotland) Driven by Competing Forces: Post-glacial Eustatic Rise and Isostatic Rebound (1144322)
Luca Podrecca1, Jennifer L Taylor2, Andrew L Masterson1, Bradley B Sageman1, Matthew Hurtgen3, Jeremy M Lloyd4 and David S Selby2, (1)Northwestern University, Earth and Planetary Sciences, Evanston, IL, United States, (2)University of Durham, Department of Earth Sciences, Durham, United Kingdom, (3)Northwestern University, Earth and Planetary Sciences, Evanston, United States, (4)Durham University, Durham, United Kingdom
 
New insights into the local environmental control on the sulfur isotope composition of pyrite: A Case study from the South China Sea continental slope (1145284)
Xinyu Jiang, Shanggui Gong, Xudong Wang, Yu Hu, Duofu Chen and Dong Feng, Shanghai Ocean University, Shanghai, China
 
No Major Changes Through Geologic Time in Earth’s Marine Dissolved Organic Carbon Reservoir (Invited) (1147682)
Lidya Tarhan1, Mojtaba Fakhraee1, Noah Planavsky2 and Christopher T. Reinhard3, (1)Yale University, Department of Earth and Planetary Sciences, New Haven, United States, (2)Yale University, Department of Earth and Planetary Sciences, New Haven, CT, United States, (3)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, United States
 
Novel Single-Pellet K/Ar Dating Combined With X-Ray Diffraction to Examine Glauconite Formation in Gulf of Guinea Site 959 (1148153)
Alice Warden1, Amanda Jade Chen2, Sarah L Nicholas3, Ruipeng Li4, Sidney R Hemming5, Tanzhuo Liu6, Heng Chen7, Jenna Everard8, Stephen Cox5, Benjamin C Bostick9, Michael Deluca9 and Rachel Lupien10, (1)Barnard College, New York, United States, (2)Wellesley College, Wellesley, MA, United States, (3)Brookhaven National Laboratory, Brookhaven, NY, United States, (4)Brookhaven National Laboratory, Upton, United States, (5)Lamont-Doherty Earth Observatory, Palisades, United States, (6)Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, United States, (7)Columbia University, Lamont Doherty Earth Observatory, New York, NY, United States, (8)Lamont Doherty Earth Observatory, Kirkland, WA, UNITED STATES, (9)Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, United States, (10)Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, RI, United States
 
Assessing Major-Ion Reconstructions of Seawater from Halite Fluid Inclusions (1157038)
Clara L Blättler, University of Chicago, Chicago, IL, United States
 
An Investigation of δ44Ca in Ordovician Carbonate Strata From Eastern Laurentia and Baltica That Preserve a Global Shift In δ13C (MDICE) (1158793)
Christopher Conwell1, Matthew Saltzman2 and Elizabeth M Griffith1, (1)Ohio State University, School of Earth Sciences, Columbus, OH, United States, (2)The Ohio State University, School of Earth Sciences, Columbus, United States
 
Oxygen and silicon isotope variations during opal diagenesis: Implications for biogenic silica and chert proxies from marine sediment archives (1164732)
Justin P Dodd1, Rebecca A Pickering2, Tirzah Abbott3, Audrina Lehman4, Jeanine Ash5, Daniel Enrique Ibarra6, Donald McLennan1, Jordan Wostbrock7, Lucie Cassarino2 and Joshua Schwartz1, (1)Northern Illinois University, Geology and Environmental Geosciences, DeKalb, United States, (2)Lund University, Department of Geology, Lund, Sweden, (3)Northwestern University, NUANCE Center, Evanston, IL, United States, (4)Northern Illinois University, Geology and Environmental Geosciences, DeKalb, IL, United States, (5)Rice University, Houston, United States, (6)Brown University, Institute at Brown for Environment and Society and the Department of Earth, Environmental and Planetary Science, Providence, RI, United States, (7)Yale University, Earth & Planetary Sciences, New Haven, United States
 
Supply and Demand of Sulfate Influences Pyrite Formation Rates and Sulfur Isotope Ratios in Estuarine Sediments: Implications for Earth System Oxygenation (1164830)
Kalev Hantsoo, Johns Hopkins University, Dept of Earth & Planetary Sciences, Baltimore, United States, Maya Gomes, Johns Hopkins University, Department of Earth & Planetary Sciences, Baltimore, MD, United States and Sairah Malkin, University of Maryland Center for Environmental Science, Cambridge, MD, UNITED STATES
 
Under the Sea-diments: Reconstructing Past Climate Using South African Marine Sediment Cores Affected by the Agulhas current (1172852)
Valencia Ajeh, Washington University in St Louis, St. Louis, MO, United States, Timothy Herbert, Brown University, Earth, Environmental and Planetary Sciences, Providence, RI, United States, Weimin Si, Brown University, DEEPS, Providence, RI, United States and Caitlin McNally, Brown University, Earth, Environmental, and Planetary Sciences, Providence, United States
 
Calcium Isotope Constraints on Diagenetic Effects in Carbon Isotope (δ13C) Data: A Case Study from Middle Ordovician Carbonate Strata at Meiklejohn Peak, Nevada. (1176942)
Datu Adiatma1, Matthew Saltzman1, Elizabeth M Griffith1, Cole T Edwards2, Peter C Haber1 and Charles W Diamond3, (1)The Ohio State University, School of Earth Sciences, Columbus, United States, (2)Appalachian State University, Geological and Environmental Sciences, Boone, NC, United States, (3)University of California Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States
 
Extending Molybdenum Adsorption Experiments to Simulated Archean Seawater: the Effects of Silica Saturation (1177936)
Ethan Edmans, Arizona State University, Tempe, AZ, United States, Chadlin M Ostrander, Arizona State University, School of Earth and Space Exploration, Tempe, United States, Aleisha Johnson, UNITED STATES; University of Chicago, Department of Geophysical Sciences, Chicago, United States and Ariel D Anbar, Arizona State University, School of Earth and Space Exploration and School of Molecular Sciences, Tempe, AZ, United States
 
Effect of Grain Size on Radiogenic Isotopes within Clay Sized Marine Sediments in the Agulhas Leakage Corridor (1179460)
Isaac Rogers, CUNY City College of New York, Chemical Engineering, New York, United States, Allison M Franzese, Columbia University of New York, Palisades, NY, United States and Sidney R Hemming, Lamont-Doherty Earth Observatory, Palisades, United States
 
Characterizing Geologic Carbon Release as an Explanation for Deglacial Δ14C Anomalies within the Eastern Tropical North Pacific (1182459)
Ryan Green, University of California Santa Cruz, Santa Cruz, CA, United States, Mathis Hain, University of California Santa Cruz, Dept. of Earth & Planetary Sciences, Santa Cruz, United States, Patrick A Rafter, University of California, Irvine, Earth System Science, Irvine, United States, William Robert Gray, Laboratoire des Sciences du Climat et de l'Environnement (LSCE/IPSL), London, France, James William Buchanan Rae, University of St Andrews, School of Earth and Environmental Sciences, St Andrews, United Kingdom and Christopher Sun, Monta Vista High School, Cupertino, United States
 
Machine learning and computational image analysis leveraged to probe relationships between carbonate isotopic composition, diagenetic alteration, and sedimentary facies isotopic variability (1183787)
Cedric Hagen1, Adam C Maloof2, Emily Geyman3, Stacey Edmonsond4, Ryan A. Manzuk1, Bolton Howes1, John A Higgins2 and Pingping Zhao1, (1)Princeton University, Department of Geosciences, Princeton, United States, (2)Princeton University, Department of Geosciences, Princeton, NJ, United States, (3)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States, (4)University of Victoria, Department of Earth and Ocean Sciences, Victoria, Canada
 
Isotopic and Geochemical Evidence for Potential Terrestrial-Oceanic Anoxia Ties from a Near-Polar Early to Middle Devonian Coastal Sequence, Western Falkland Islands, South America (1187995)
Brooke Elizabeth Vander Pas1, Matthew S Smart1, William Gilhooly III2, Gabriel Michael Filippelli1, John Marshall3 and Jessica Hope Whiteside3, (1)Indiana University Purdue University Indianapolis, Indianapolis, United States, (2)IUPUI, Indianapolis, United States, (3)University of Southampton, Southampton, United Kingdom
 
Timing Phanerozoic Deep Ocean Oxygenation Using Thallium Isotopes (1193890)
Jean Nikolas Clemente1, Chadlin M Ostrander2, Sune Nielsen3, Richard George George Stockey4, Justin Vincent Strauss5 and Erik A Sperling4, (1)Bowdoin College, Department of Earth and Oceanographic Science, Brunswick, United States, (2)Woods Hole Oceanographic Institution, Department of Marine Chemistry and Geochemistry, Woods Hole, United States, (3)Woods Hole Oceanographic Institution, Department of Geology and Geophysics, Woods Hole, United States, (4)Stanford University, Department of Geological Sciences, Stanford, United States, (5)Dartmouth College, Department of Earth Sciences, Hanover, United States
 
Evaluating basinal and global repercussions of the initial rise of oxygen via geochemical constraints from the Paleoproterozoic Onega Basin, Fennoscandian Shield (1194979)
Athena Eyster1, Michael J Tappa1, Sheila Abdul Rashid2, Aivo Lepland3, Alan D. Rooney4 and Ann Bauer1, (1)University of Wisconsin Madison, Department of Geoscience, Madison, United States, (2)The National University of Malaysia, Bangi, Malaysia, (3)Geological Survey of Norway, Trondheim, Norway, (4)Yale University, Department of Earth and Planetary Sciences, New Haven, CT, United States
 
Towards a better understanding of thallium isotope cycling in modern redox-stratified settings (1195164)
Chadlin M Ostrander1, Sune Nielsen2, Elizabeth Swanner3, Hayley Jayne Gadol4, Luciana Villarroel5, Scott D. Wankel6, Andrew Heard7, Yunchao Shu8, Heide Schulz-Vogt9, Maren Voss10, Tristan J Horner11 and Colleen Hansel8, (1)Woods Hole Oceanographic Institution, Department of Marine Chemistry and Geochemistry, Woods Hole, United States, (2)Woods Hole Oceanographic Institute, Woods Hole, United States, (3)Iowa State University, Department of Geological and Atmospheric Sciences, Lexington, United States, (4)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (5)Woods Hole Oceanographic Institution, Woods Hole, United States, (6)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States, (7)University of Chicago, Department of the Geophysical Sciences, Chicago, IL, United States, (8)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (9)Leibniz Institute for Baltic Sea Research, Rostock, Germany, (10)Leibniz Inst. Baltic Sea Res., Rostock, Germany, (11)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, United States
 
Non-traditional isotopes (26Mg/24Mg, 41K/39K) as proxies for silicate authigenesis in marine environments (Invited) (1196004)
Danielle Priscilla Santiago Ramos, Rutgers University New Brunswick, New Brunswick, NJ, United States, Ann G Dunlea, NIRVANA Laboratories, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, Laurence A Coogan, University of Victoria, Victoria, BC, Canada and John A Higgins, Princeton University, Department of Geosciences, Princeton, NJ, United States
 
Phosphogenesis in the Monterey Formation and Global Climate Change (1200474)
Sarah Murphy, Oakland, CA, UNITED STATES
 
Implication of a Biologically Driven Alkalinity Pump behind the Formation of Greenalite as a Primordial Phase of Late Archean Banded Iron Formations (1201630)
Arunava Sen1, André Baldermann2, Cyrill Grengg Dr.3, Dr. Dipak C Pal4, Pradip Samanta5 and Soumik Mukhopadhyay1, (1)Jadavpur University, Geological Sciences, Kolkata, India, (2)Graz University of Technology, Graz, Austria, (3)Graz University of Technology, Institute of Applied Geosciences, Graz, Austria, (4)Jadavpur University, Department of Geological Sciences, Kolkata, India, (5)University of North Bengal, Geology, Siliguri, India
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