FULTON, Anne A.¹, LACKEY, Jade Star¹, SENDEK, Callie², and BARNES, Jaime D.³, (1) Geology Department, Pomona College, 185 E. 6th St, Claremont, CA 91711, aaf02011@mymail.pomona.edu, (2) Department of Geology, San José State University, One Washington Square, San Jose, CA 95192-0102, (3) Jackson School of Geosciences, The University of Texas at Austin, 1 University Station, C1160, Austin, TX 78712

MAUK, Jeffrey L.¹, SKINNER, Erin G.², FYFE, Sarah J.², MENZIES, Andrew³, and LOWERS, Heather A.⁴, (1) U.S. Geological Survey, PO Box 25046, Denver Federal Center, Mailstop 973, Denver, CO 80225, jmauk@usgs.gov, (2) School of Environment, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand, (3) Geology Department, Universidad Católica del Norte, Avenida Angamos, Antofagasta, 0610, (4) U.S. Geological Survey, Box 25046, M.S. 973, Denver Federal Center, Denver, CO 80225

DOBBINS, J.W.¹, CAMERON, E.D.¹, PAGE, F. Zeb², SPICUZZA, M.J.³, and VALLEY, J.W.³, (1) Geology, Oberlin College, 52 West Lorain Street, Oberlin, OH 44074, ecameron@oberlin.edu, (2) Department of Geology, Oberlin College, 52 West Lorain Street, Oberlin, OH 44074, (3) Geoscience, University of Wisconsin, 1215 West Dayton Street, Madison, WI 53706

VAN DUSEN, Erik, Geology & Environmental Geosciences, Northern Illinois University, 1425 W. Lincoln Hwy, DeKalb, IL 60115, POLLYEA, Ryan M., Department of Geology and Environmental Geosciences, Northern Illinois University, 1425 W. Lincoln Highway, Davis Hall 312, DeKalb, IL 60115, rpollyea@niu.edu, and FISCHER, Mark P., Dept. of Geology and Environmental Geosciences, Northern Illinois University, DeKalb, IL 60115-2854

GERRITS, Anna R. and PAGE, F. Zeb, Department of Geology, Oberlin College, 52 West Lorain Street, Oberlin, OH 44074, agerrits@oberlin.edu

WISCONS, Ren A. and PAGE, F. Zeb, Department of Geology, Oberlin College, 52 West Lorain Street, Oberlin, OH 44074, rwiscons@oberlin.edu

DYE, Matthew D., Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, mdye@mymail.mines.edu and KELLY, Nigel M., Department of Geology & Geological Engineering, Colorado School of Mines, 1516 Illinois St, Golden, CO 80401

MILLS, James G. Jr, Dept. of Geosciences, DePauw University, 602 South College Ave, Greencastle, IN 46135, jmills@depauw.edu, OZE, Christopher, Geological Sciences, University of Canterbury, Christchurch, 8140, New Zealand, and COPE, Tim D., Geosciences, DePauw Univ, 602 S. College Ave, Greencastle, IN 46135