SUN, Chenguang, YAO, Lijing, and LIANG, Yan, Department of Geological Sciences, Brown University, Providence, RI 02912, Chenguang_Sun@brown.edu

MANNIX, Marianne A., Plant & Soil Sciences, West Virginia University, 883 E Everly Street Apt 6, Morgantown, WV 26505, marianne.mannix@gmail.com

COLE, Alison A., MORALEZ, Genevieve A., and HALFMAN, John D., Department of Geoscience, Hobart & William Smith Colleges, 300 Pulteney Street, Geneva, NY 14456, alison.cole@hws.edu

LILOVA, Kristina, Peter A. Rock Thermochemistry Laboratory and Neat ORU, University of Califonia, Davis, 4415 Chemistry Annex, One Shields Avenue, Davis, CA 95616, Davis, CA 95616, kililova@ucdavis.edu, WU, Lili, Neat Oru, University of California, Davis, One Shields Av, Davis, CA 95616, PIERCE, Eric, Environmental Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, MS 6038, Oak Ridge, TN 37831, BROWN, Christopher F., Pacific Northwest National Laboratory, P.O. Box 999, MS P7-22, Richland, WA 99352, SCHLIESSER, Jacob, Chemistry Department, Brigham Young University, Provo, UT 84602, WOODFIELD, Brian F., Department of Chemistry, Brigham Young University, C100 BNSN, Provo, UT 84602, and NAVROTSKY, Alexandra, NEAT ORU & Peter A. Rock Thermochemistry Laboratory, UC Davis, 4415 Chemistry Annex, One Shields Ave, Davis, CA 95616

VERELLEN, Maxwell, 4947 Buckhorn Dr, Traverse City, MI 49684, verellmf@miamioh.edu, TULLY, Jennifer, Department of Geology and Environmental Earth Science, Miami University, 501 East High Street, Oxford, OH 45056, and KREKELER, Mark P.S., Department of Geology & Environmental Earth Science, Miami University-Hamilton, Hamilton, OH 45011

HAZZARD, Sarah¹, MUTITI, Samuel², and CORLEY, Megan¹, (1) Biological and Environmental Sciences, Georgia College and State University, Milledgeville, GA 31061, sarah.hazzard@bobcats.gcsu.edu, (2) Biology and Enviromental Sciences Department, Georgia College and State University, Milledgeville, GA 31061

GRAY, John E.¹, RIMONDI, Valentina², COSTAGLIOLA, Pilario², and LATTANZI, Pierfranco³, (1) U.S. Geological Survey, P.O. Box 25046, MS 973, Denver, CO 80225, jgray@usgs.gov, (2) Dipartimento di Scienze della Terra, Universitŕ di Firenze, Via G. La Pira 4, Florence, 50121, Italy, (3) Dipartimento di Scienze Chimiche e Geologiche, University of Cagliari, via Trentino 51, Cagliari, 09127, Italy

SZRAMEK, Kathryn¹, TAMšE, Samo², and OGRINC, Nives², (1) Environmental Science and Policy, Drake University, 2507 University Avenue, Des Moines, IA 50311, kathryn.szramek@drake.edu, (2) Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, 1000, Slovenia

CONRAD, Mark E.¹, WILLIAMS, Kenneth H.², BILL, Markus¹, ROBBINS, Mark J.², and TOKUNAGA, Tetsu K.³, (1) Earth Sciences Division, Lawrence Berkeley National Laboratory, Mailstop 70A-4418, Berkeley, CA 94720, MSConrad@lbl.gov, (2) Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd. MS-90-1116, Berkeley, CA 94720, (3) Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720

MUTITI, Samuel¹, KEEFER, Kristin¹, and MWEETWA, Alice², (1) Biology and Enviromental Sciences Department, Georgia College and State University, Milledgeville, GA 31061, samuel.mutiti@gcsu.edu, (2) Agriculture Sciences, University of Zambia, Lusaka, P.O Box, Zambia

BOWMAN, Lindsey, SHARMA, Shikha, CARR, Timothy, and SHARMA, Maneesh, Department of Geology & Geography, 330 Brooks Hall, West Virginia University, National Energy Technology Laboratory-Regional University Alliance, Morgantown, WV 26506, lbowman713@gmail.com