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MAY 2021 | VOLUME 31, NUMBER 5 SCIENCE 4 Curation and Analysis of Global Sedimentary Geochemical Data to Inform Earth History Akshay Mehra et al. GSA TODAY (ISSN 1052-5173 USPS 0456-530) prints news and information for more than 22,000 GSA member readers and subscribing libraries, with 11 monthly issues (March- Cover: Upper Ediacaran and lower Cambrian sandstone, shale, and April is a combined issue). GSA TODAY is published by The Geological Society of America® Inc. (GSA) with offices at dolostone of the Risky and Sekwi formations in the headwaters of 3300 Penrose Place, Boulder, Colorado, USA, and a mail- Goz Creek, Yukon, Canada. Credit: Justin Strauss. See related ing address of P.O. Box 9140, Boulder, CO 80301-9140, USA. article, p. 4–10. GSA provides this and other forums for the presentation of diverse opinions and positions by scientists worldwide, regardless of race, citizenship, gender, sexual orientation, religion, or political viewpoint. 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Kent, 2016, A novel plate tectonic scenario for the genesis and sealing of some major Mesozoic oil fields: GSA Today, v. 26, no. 12, p. 4–10, https://www.geosociety.org/gsatoday/ archive/26/12/abstract/i1052-5173-26-12-4.htm: Since its publication in 2016, two separate issues have emerged concerning some of the paleomagnetic data used in the publication. Muttoni and Kent have there- fore crafted a corrigendum (online at https://www.geosociety.org/gsatoday/archive/26/12/pdf/muttoni -2016-corrigendum .pdf) that describes the issues and indicates the associated corrections. Curation and Analysis of Global Sedimentary Geochemical Data to Inform Earth History Akshay Mehra*, Dartmouth College, Dept. of Earth Sciences, Hanover, New Hampshire 03755, USA; C. Brenhin Keller, Dartmouth College, Dept. of Earth Sciences, Hanover, New Hampshire 03755, USA; Tianran Zhang, Dept. of Earth Sciences, Dartmouth College, Hanover, New Hampshire 03755, USA; Nicholas J. Tosca, Dept. of Earth Sciences, University of Cambridge, Cambridge CB2 1TN, UK; Scott M. McLennan, State University of New York, Stony Brook, New York 11794, USA; Erik Sperling, Dept. of Geological Sciences, Stanford University, Stanford, California 94305, USA; Una Farrell, Dept. of Geology, Trinity College Dublin, Dublin, Ireland; Jochen Brocks, Research School of Earth Sciences, Australian National University, Canberra, Australia; Donald Canfield, Nordic Center for Earth Evolution (NordCEE), University of Southern Denmark, Denmark; Devon Cole, School of Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, Georgia 30332, USA; Peter Crockford, Earth and Planetary Science, Weizmann Institute of Science, Rehovot, Israel; Huan Cui, Equipe Géomicrobiologie, Université de Paris, Institut de Physique, Paris, France, and Dept. of Earth Sciences, University of Toronto, Ontario M5S, Canada; Tais W. Dahl, GLOBE Institute, University of Denmark, Copenhagen, Denmark; Keith Dewing, Natural Resources Canada, Geological Survey of Canada, Calgary, Ontario T2L 2A7, Canada; Joseph F. Emmings, British Geological Survey, Nicker Hill, Keyworth, Nottingham NG12 5GG, UK; Robert R. Gaines, Dept. of Geology, Pomona College, Claremont, California 91711, USA; Tim Gibson, Dept. of Earth & Planetary Sciences, Yale University, New Haven, Connecticut 06520, USA; Geoffrey J. Gilleaudeau, Atmospheric, Oceanic, and Earth Sciences, George Mason University, Fairfax, Virginia 22030, USA; Romain Guilbaud, Géosciences Environnement Toulouse, CNRS, Toulouse, France; Malcom Hodgskiss, Dept. of Geological Sciences, Stanford University, Stanford, California 94305, USA; Amber Jarrett, Onshore Energy Directorate, Geoscience Australia, Australia; Pavel Kabanov, Natural Resources Canada, Geological Survey of Canada, Calgary T2L 2A7, Canada; Marcus Kunzmann, Mineral Resources, CSIRO, Kensington, Australia; Chao Li, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, China; David K. Loydell, School of the Environment, Geography and Geosciences, University of Portsmouth, Portsmouth PO1 2UP, UK; Xinze Lu, Dept. of Earth and Environmental Sciences, University of Waterloo, Waterloo N2L 3G1, Canada; Austin Miller, Dept. of Earth and Environmental Sciences, University of Waterloo, Waterloo N2L 3G1, Canada; N. Tanner Mills, Dept. of Geology and Geophysics, Texas A&M University, College Station, Texas 77843, USA; Lucas D. Mouro, Geology Dept., Federal University of Santa Catarina, Santa Catarina State, Brazil; Brennan O’Connell, School of Earth Sciences, University of Melbourne, Melbourne, Australia; Shanan E. Peters, Dept. of Geoscience, University of Wisconsin– Madison, Madison 53706, Wisconsin, USA; Simon Poulton, School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK; Samantha R. Ritzer, Dept. of Geological Sciences, Stanford University, Stanford, California 94305, USA; Emmy Smith, Dept. of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, Maryland 21218, USA; Philip Wilby, British Geological Survey, Nicker Hill, Keyworth, Nottingham NG12 5GG, UK; Christina Woltz, Dept. of Earth Science, University of California, Santa Barbara, California 93106, USA; Justin V. Strauss, Dept. of Earth Sciences, Dartmouth College, Hanover, New Hampshire 03755, USA ABSTRACT workflow developed using the Sedimentary INTRODUCTION Large datasets increasingly provide criti- Geochemistry and Paleoenvironments Project The study of Earth’s past relies on a record cal insights into crustal and surface pro- database. We demonstrate the effects of that is spatially and temporally variable and, cesses on Earth. These data