SPERBERG, Flora, University of Puerto Rico, Mayagüez, Geology, Call Box 9000, Mayagüez, PR 00680, flora.sperberg@upr.edu, MILLER, Thomas E., Department of Geology, Univ of Puerto Rico @ Mayagüez, POB 9017, Mayagüez, PR 00681, WINTER, Amos, Department of Marine Sciences, University of Puerto Rico, Mayagüez, Mayagüez, PR 00681, and SCHOLZ, Denis, Institute for Geoscience, University of Mainz, Johann-Joachim-Becher-Weg 21, Mainz, 55128, Germany

TRAVIS, Ryan¹, SUMRALL, Jonathan², and SUMRALL, Jeanne Lambert², (1) Department of Geosciences, Mississippi State University, Mississippi State, MS 39762-5448, rwt85@msstate.edu, (2) Department of Geography and Geology, Sam Houston State University, Lee Drain Building Suite 332, Huntsville, TX 77341

NEEPER, Lowell¹, POLK, Jason², OUELLETTE, Gilman Reno Jr³, CELESTIAN, Aaron J.⁴, ASMEROM, Yemane⁵, and POLYAK, Victor J.⁵, (1) Geography and Geology, Western Kentucky University, 1906 College Heights Blvd, Bowling Green, KY 42101, leland.neeper991@topper.wku.edu, (2) WKU Hoffman Environmental Research Institute/Dept. Geog & Geol, 1906 College Heights Blvd. #31066, Bowling Green, KY 42101, (3) Hoffman Environmental Research Institute, Department of Geography and Geology, Western Kentucky University, 1906 College Heights Blvd, 422 Environmental Science and Technology Building, Bowling Green, KY 42101, (4) Geography and Geology, Western Kentucky University, 1906 College Heights Blvd, Environmental Science and Technology, Bowling Green, KY 42101, (5) Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131

GONZALES, Angelique N., Department of Geology, Cornell College, Mount Vernon, IA 52314, agonzales14@cornellcollege.edu, MILLER, Nathan R., Department of Geological Sciences, The University of Texas at Austin, Austin, TX 78712, and BANNER, Jay, Jackson School of Geosciences, University of Texas at Austin, 1 University Station, C1100, Austin, TX 78712

PALMER, Margaret V., 619 Winney Hill Road, Oneonta, NY 13820, palmeran@oneonta.edu and PALMER, Arthur N., Dept. Earth & Atmospheric Sciences, State University of New York, Oneonta, Ravine Parkway, Oneonta, NY 13820

DECKER, David D.¹, POLYAK, Victor J.², and ASMEROM, Yemane², (1) Earth & Planetary Sciences, University of New Mexico, 5117 Fairfax Dr. NW, Albuquerque, NM 87114, dave.decker@caves.org, (2) Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131

CHAVEZ, Arriana¹, UCKERT, Kyle², MCMILLAN, Nancy J.¹, CHANOVER, Nancy², and VOELZ, David G.³, (1) Geological Sciences, New Mexico State University, BOX 30001 MSC 3AB, Las Cruces, NM 88003, arrichav@nmsu.edu, (2) Astronomy, New Mexico State University, P. O. Box 30001, MSC 4500, Las Cruces, NM 88003, (3) Electrical and Computer Engineering, New Mexico State University, Box 30001 MSC 3O, Las Cruces, NM 88003

GIBSON, Jansen, School for Science and Math at Vanderbilt, Nashville, TN 37240, jansen.gibson@vanderbilt.edu, OSTER, Jessica L., Earth and Environmental Science Department, Vanderbilt University, Nashville, TN 37240, and SHARP, Warren, Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709

HARMON, Dalia R., BRANNEN, Kathleen M., KEENAN, Sarah W., and ENGEL, Annette Summers, Department of Earth and Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996, dharmon3@utk.edu

MACKINNEY, Joel S.¹, RETRUM, Julie B.², ORLAND, I.J.³, DASGUPTA, Sushmita⁴, ALEXANDER, E. Calvin Jr⁵, DORALE, Jeffrey A.⁶, and EDWARDS, R. Lawrence⁵, (1) Department of Chemistry, Wheaton College, 501 College Ave, Wheaton, IL 60187-5501, joel.mackinney@my.wheaton.edu, (2) Department of Earth Sciences, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0231, (3) Geology and Geophysics, University of Wisconsin, 1215 West Dayton Street, Madison, WI 53706, (4) Schlumberger, 1325 S Dairy Ashford, Houston, TX 77077, (5) Department of Earth Sciences, University of Minnesota, 310 Pillsbury Dr. SE, Minneapolis, MN 55455, (6) Dept. of Earth and Environmental Sciences, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242-1379

HOUTS, Amanda N.¹, DENNISTON, Rhawn F.¹, ASMEROM, Yemane², POLYAK, Victor J.², WANAMAKER, Alan D. Jr³, and HAWS, Jonathan A.⁴, (1) Department of Geology, Cornell College, Mt. Vernon, IA 52314, ahouts14@cornellcollege.edu, (2) Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, (3) Department of Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Iowa State University, Ames, IA 50011, (4) Department of Anthropology, University of Louisville, Louisville, KY 40292

MCQUIGGAN, Kyle, Geology, Union College, 807 Union Street, Schenectady, NY 12308, mcquiggk@union.edu, GILLIKIN, David P., Department of Geology, Union College, 807 Union St, Schenectady, NY 12308, and VERHEYDEN, Sophie, Royal Belgian Institute of Natural Sciences, Brussels, 1000, Belgium

AN, Ni¹, DENNISTON, Rhawn F.¹, LACHNIET, Matthew S.², POLYAK, Victor J.³, ASMEROM, Yemane³, and HUMPHREYS, William⁴, (1) Department of Geology, Cornell College, Mt. Vernon, IA 52314, Nan14@cornellcollege.edu, (2) Department of Geoscience, University of Nevada Las Vegas, Box 454010, Las Vegas, NV 89154-4010, (3) Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, (4) Western Australia Museum, Welshpool, Western Australia, Australia