WANG, Dongbo, STEPHENSON, Allison and DOVE, Patricia M., Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, dove@vt.edu, dove@vt.edu

KIRBY, Carl S., PRITZ, Molly E., LUNDE, A. Scott and TATE, Garyn P., Geology, Bucknell University, Department of Geology, Bucknell University, Lewisburg, PA 17837, kirby@bucknell.edu, kirby@bucknell.edu

SCHREIBER, Madeline E., Department of Geosciences, Virginia Tech, 1405 Perry St, Blacksburg, VA 24061 and RIMSTIDT, J. Donald, Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, mschreib@vt.edu, mschreib@vt.edu

WILLIAMSON, Mark A., Geochemical Solutions, LLC, 1943 Lakewood Drive, Loveland, CO 80538, mark@geochemical-solutions.com, mark@geochemical-solutions.com

NORDSTROM, D. Kirk, U.S. Geological Survey, 3215 Marine St, Boulder, CO 80303, dkn@usgs.gov, dkn@usgs.gov

CHERMAK, John, South American Environmental Technical Manager, Newmont Mining, 8533 Church Ranch Boulevard, #150, Yanacocha Operations, PMB 766, Westminster, CO 80021 and WILLIAMS, Martin, Schlumberger Water Services, The Pumphouse, Shrewsbury, SY1 2DP, United Kingdom, John.Chermak@Newmont.com, John.Chermak@Newmont.com

KIMBALL, Bryn Elizabeth, US Geological Survey, 12201 Sunrise Valley Dr, Mail Stop 954, Reston, VA 20192, RIMSTIDT, J. Donald, Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061 and BRANTLEY, Susan L., Earth and Environmental Systems Institute, Pennsylvania State University, 2217 Earth and Engineering Building, University Park, PA 16802, bekimball@usgs.gov, bekimball@usgs.gov

ECHIGO, Takuya¹, ARUGUETE, Deborah M.², MURAYAMA, Mitsuhiro² and HOCHELLA Jr, Michael F.¹, (1)Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061-0420, (2)Institute for Critical Technology and Applied Science (ICTAS), Virginia Tech, Blacksburg, VA 24061, echigo@vt.edu, echigo@vt.edu

WASYLENKI, Laura E., Dept. of Geological Sciences, Indiana University, 1001 East Tenth Street, Bloomington, IN 47405, LIERMANN, Laura J., Department of Geosciences, Pennsylvania State University, University Park, PA 16802, NUESTER, Jochen, Bigelow Laboratory for Ocean Sciences, P.O. Box 475 McKown Point, West Boothbay Harbor, ME 04575, ANBAR, Ariel D., School of Earth and Space Exploration and Department of Chemistry & Biochemistry, Arizona State University, Tempe, AZ 85287-1404 and BRANTLEY, Susan L., Earth and Environmental Systems Institute, Pennsylvania State University, Department of Geosciences, 2217 EES Building, University Park, PA 16802, lauraw@indiana.edu, lauraw@indiana.edu

ELWOOD MADDEN, Megan E., School of Geology and Geophysics, Univ. of Oklahoma, 100 E. Boyd Street, Norman, OK 73072, HAUSRATH, Elisabeth M., Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Las Vegas, NV 89154, OLSON, Amanda, Dept. of Earth Sciences, University of Maine, 5790 Bryand Global Sciences Center, Orono, ME 04469 and MADDEN, Andrew, School of Geology and Geophysics, University of Oklahoma, 100 East Boyd St. Rm. 710, Norman, OK 73019, melwood@ou.edu, melwood@ou.edu

HOCHELLA, Michael F., Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, hochella@vt.edu, hochella@vt.edu

RIMSTIDT, J. Donald, Virginia Tech, Department of Geosciences, 4044 Derring Hall, Blacksburg, VA 24061, jdr02@vt.edu, jdr02@vt.edu