LONDON, David and MORGAN, George B., School of Geology and Geophysics, University of Oklahoma, 100 East Boyd Street, SEC 710, Norman, OK 73019-1009, dlondon@ou.edu

KLECK, Wallace D., 23940 Basin Harbor Court, Tehachapi, CA 93561, wkleck@sbcglobal.net

CAUDLE, Dana J.¹, GROAT, Lee A.², CEMPÍREK, Jan³, and MILLONIG, Leo J.², (1) Earth, Ocean, Atmospheric Sciences, University of British Columbia, 2020 - 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada, dcaudle@eos.ubc.ca, (2) Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada, (3) Earth and Ocean Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada

VANFOSSON, Jason¹, SMYTH, Joseph R.², RASCHKE, Markus B.³, ALLAZ, Julien M.⁴, ANDERSON, Evan³, PERSSON, Philip M.⁵, and ŠKODA, Radek⁶, (1) Geological Sciences, University of Colorado at Boulder, Boulder, CO 80309-0399, Jason.VanFosson@colorado.edu, (2) Geological Sciences, University of Colorado, Boulder, CO 80309-0399, (3) Department of Physics, Chemistry, and JILA, University of Colorado Boulder, UCB 390, Boulder, CO 80309-0390, (4) Department of Geological Sciences, University of Colorado Boulder, 2200 Colorado Avenue, UCB 399, Boulder, CO 80309-0399, (5) Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, (6) Department of Geological Sciences, Masaryk University, Kotlářská 2, Brno, 61137, Czech Republic

HANSON, Sarah L., Geology Department, Adrian College, 110 S. Madison St, Adrian, MI 49221, slhanson@adrian.edu, FALSTER, Alexander U., Earth & Environmental Sciences, Univ of New Orleans, 2000 Lakeshore Drive, New Orleans, LA 70148, and SIMMONS, William B., Earth and Environmental Science, Univ. of New Orleans, New Orleans, LA 70148

CEMPÍREK, Jan, Earth and Ocean Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada, jcempirek@eos.ubc.ca and GROAT, Lee A., Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada

BEERS, Sarah E., Department of Physics and Geosciences, Texas A&M University - Kingsville, 3022 Masterson Drive, Corpus Christi, TX 78415, sarah.beers@students.tamuk.edu and FORD, Mark T., Department of Physics and Geoscience, Texas A&M University-Kingsville, MSC 175, Kingsville, TX 78363-8202

GUIFFRE, Nicholas and CLARK, Christine M., Dept. of Geography and Geology, Eastern Michigan University, 203 Strong Hall, Ypsilanti, MI 48197, nguiffre@emich.edu

CHIARENZELLI, Jeffrey R.¹, LUPULESCU, Marian V.², SELLECK, Bruce W.³, ROBINSON, George¹, PECHA, Mark⁴, HAGEN-PETER, Hillary¹, and LOCKWOOD, Thomas D.¹, (1) Department of Geology, St. Lawrence University, Canton, NY 13617, jchiaren@stlawu.edu, (2) Research & Collections, New York State Museum, 3140 CEC, Albany, NY 12230, (3) Department of Geology, Colgate University, 13 Oak Drive, Hamilton, NY 13346, (4) Department of Geosciences, University of Arizona, Tucson, AZ 85721