PARISE, John B., Geosciences, Stony Brook University, Stony Brook, NY 11794-2100, HARRINGTON, Richard, Chemistry, Stony Brook University, Stony Brook, 11794-2100 and NEDER, Reinhard, Institut für Physik der kondensierten Materie, Kristallographie und Strukturphysik Staudtstr. 3, Erlangen, D-91058, john.parise@sunysb.edu, john.parise@sunysb.edu

MICHEL, F. Marc, Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24060, BARGAR, John R., Stanford Synchrotron Radiation Lightsource, 2575 Sand Hill Rd, Menlo Park, CA 94025 and BROWN Jr, Gordon E., Geological and Environmental Sciences, Stanford University, Stanford, CA 94305, mfrede2@vt.edu, mfrede2@vt.edu

FERNANDEZ-MARTINEZ, Alejandro¹, CUELLO, Gabriel J.², BOURG, Ian C.³, JOHNSON, Mark R.², WAYCHUNAS, Glenn A.⁴, SPOSITO, Garrison⁵ and CHARLET, Laurent⁶, (1)Institut des Sciences de la Terre, 1381 Maison des Geosciences, 38400 St Martin d’Heres, Grenoble, 38041, France, (2)Institut Laue-Langevin, 6 rue Jules Horowitz, Grenoble, 38042, France, (3)Geochemistry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road Mail Stop 90-1116, Berkeley, CA 94720, (4)Earth Sciences Division, Lawrence Berkeley National Lab, MS 90R1116, 1 Cyclotron Road, Berkeley, CA 94720, (5)Geochemistry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road Mail Stop 90-1116, Berkeley, CA 94720-3114, (6)Earth and Planetary Science Department (LGIT-OSUG), Universite Joseph Fourier, BP 53, 38041 Grenoble, Grenoble, 38041, France, Alex.Fernandez-Martinez@ujf-grenoble.fr, Alex.Fernandez-Martinez@ujf-grenoble.fr

ZHU, Mengqiang¹, FARROW, Christopher², POST, Jeffrey E.³, LIVI, Kenneth⁴, BILLINGE, Simon², GINDER-VOGEL, Matthew⁵ and SPARKS, Donald⁶, (1)Department of Geochemistry, Earth Science Division, Lawrence Berkeley National Laboratory, 307 McCone Hall, University of California-Berkeley, Berkeley, CA 94720, (2)Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY 10027, (3)Dept. of Mineral Sciences, Smithsonian Institution, P.O. Box 37012, Washington, DC 20013-7012, (4)Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, (5)Department of Plant and Soil Sciences, Delaware Environmental Institute, University of Delaware, 152 Townsend Hall, Newark, DE 19707, (6)Department of Plant and Soil Sciences, University of Delaware, 152 Townsend Hall, 531 South College Avenue, Newark, DE 19713, mzhu@lbl.gov, mzhu@lbl.gov

ZHANG, Hengzhong¹, WAYCHUNAS, Glenn A.², CHEN, Bin¹, REN, Yang³ and BANFIELD, Jill F.¹, (1)Earth and Planetary Sciences, University of California, Berkeley, CA 94720, (2)Earth Sciences Division, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720, (3)Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, gawaychunas@lbl.gov, gawaychunas@lbl.gov

CASEY, William H.¹, OHLIN, C. Andre¹, HARLEY, Steven J.¹, MCALPIN, J. Greg² and BRITT, R. David², (1)Chemistry Dept.; Geology Dept, University of California, Davis, CA 95616, (2)Chemistry Dept, University of California, Davis, CA 95616, whcasey@ucdavis.edu, whcasey@ucdavis.edu

MAURICE, Patricia A.¹, BARTON, Lauren E.¹, DEHNER, Carolyn², DUBOIS, Jennifer² and QUICKSALL, Andrew N.¹, (1)Department of Civil Engineering and Geological Sciences, University of Notre Dame, 156 Fitzpatrick Hall of Engineering, Notre Dame, IN 46556, (2)Dept. of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, pmaurice@nd.edu, pmaurice@nd.edu

KIM, Christopher S.¹, DALE, James G.², STEGEMEIER, John P.¹ and GILBERT, Benjamin³, (1)School of Earth and Environmental Sciences, Chapman University, One University Drive, Orange, CA 92866, (2)Department of Geosciences, Virginia Tech, 4044 Derring Hall (0420), Blacksburg, VA 24061, (3)Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, cskim@chapman.edu, cskim@chapman.edu

BARGAR, John R.¹, CAMPBELL, Kate M.², GIAMMAR, Daniel E.³, BERNIER-LATMANI, Rizlan⁴, LONG, Philip E.⁵, VEERAMANI, Harish⁴, ULRICH, Kai-Uwe⁶ and SCHOFIELD, Eleanor⁷, (1)Stanford Synchrotron Radiation Lightsource, 2575 Sand Hill Rd, Menlo Park, CA 94025, (2)Water Resources Division, U.S. Geological Survey, Boulder, CO 80303, (3)Department of Civil Engineering, Washington University, Campus Box 1180, One Brookings Drive, St. Louis, MO 63130, (4)Environmental Microbiology Laboratory, Ecole Polytechnique Federale de Lausanne, Station 6, Lausanne, CH-1015, Switzerland, (5)Energy and Environment Directorate, Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99354, (6)BGD Soil and Groundwater Laboratory, GmbH Dresden, Tiergartenstraße 48, Dresden, D-01219, Germany, (7)School of Physical Sciences, University of Kent, Canterbury, CT27NH, England, bargar@slac.stanford.edu, bargar@slac.stanford.edu

BERNIER-LATMANI, Rizlan¹, VEERAMANI, Harish¹, SCHOFIELD, Eleanor², SHARP, Jonathan O.³, ALESSI, Daniel S.¹, USTER, Benjamin¹, SUVOROVA, Elena I.¹ and BARGAR, John R.², (1)Environmental Microbiology Laboratory, Ecole Polytechnique Federale de Lausanne, Station 6, Lausanne, CH-1015, Switzerland, (2)Stanford Synchrotron Radiation Lightsource, 2575 Sand Hill Rd, Menlo Park, CA 94025, (3)Civil and Environmental Engineering, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401, rizlan.bernier-latmani@epfl.ch, rizlan.bernier-latmani@epfl.ch

SINGER, David M.¹, CHATMAN, Shawn M.², ILTON, Eugene S.², ROSSO, Kevin M.³, BANFIELD, Jill F.⁴ and WAYCHUNAS, Glenn A.⁵, (1)Department of Geology, Kent State University, 228 McGilvrey Hall, Kent, OH 44242, (2)Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, P.O. Box 999, K8-96, Richland, WA 99352, (3)Pacific Northwest National Laboratory, P.O. Box 999, MSIN K8-96, Richland, WA 99352, (4)Earth and Planetary Science, University of California, Berkeley, 369 McCone Hall, Berkeley, 94720, (5)Earth Sciences Division, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720, dsinger4@kent.edu, dsinger4@kent.edu

JUNG, Hun Bok¹, XU, Huifang², KONISHI, Hiromi¹ and RODEN, Eric E.³, (1)Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, (2)Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton street, Madison, WI 53706, (3)Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, hunbok@geology.wisc.edu, hunbok@geology.wisc.edu

JUN, Young-Shin, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO 63130, WAYCHUNAS, Glenn A., Earth Sciences Division, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720 and LEE, Byeongdu, X-ray Science Division, Argonne National Laboratory, Argonne, IL 63130, ysjun@seas.wustl.edu, ysjun@seas.wustl.edu