SAWYER, David A., USGS, MS 980, Box 25046, Denver, CO 80225 and MCKINNEY, Kevin C., Core Science Systems, USGS, Denver Federal Center MS 975, Denver, CO 80225, dsawyer@usgs.gov, dsawyer@usgs.gov

OGG, James G., Earth and Atmospheric Sciences, Purdue Univ, 550 Stadium Mall Drive, West Lafayette, IN 47907-2051, HINNOV, Linda A., Morton K. Blaustein Department of Earth and Planetary Sciences, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, PRZYBYLSKI, Piotr A., BP America Inc, 501 Westlake Park Blvd, Houston, TX 77079, HUANG, Chunju, Earth and Planetary Sciences, Johns Hopkins Univ, 3400 North Charles Street, Baltimore, MD 21218 and BOULILA, Slah, CNRS - UMR 7072 Tectonique, case 117, Université Pierre & Marie Curie, 4 place Jussieu, Paris, 75252, France, jogg@purdue.edu, jogg@purdue.edu

IRMIS, Randall B., Natural History Museum of Utah and Department of Geology & Geophysics, University of Utah, 301 Wakara Way, Salt Lake City, UT 84108-1214 and MUNDIL, Roland, Berkeley Geochronology Ctr, 2455 Ridge Rd, Berkeley, CA 94709-1211, irmis@umnh.utah.edu, irmis@umnh.utah.edu

SHIMOKAWA, Ayumi, Department of Geological Sciences, University of North Carolina at Chapel Hill, CB #3315, Mitchell Hall, Chapel Hill, NC 27599-3315, COLEMAN, Drew S., Department of Geological Sciences, Univ of North Carolina at Chapel Hill, CB# 3315, Mitchell Hall, Chapel Hill, NC 27599-3315 and BRALOWER, Timothy J., Department of Geosciences, Pennsylvania State University, 503 Deike Building, University Park, PA 16802, ayumish@email.unc.edu, ayumish@email.unc.edu

WARD, Peter D., Departments of Biology and Earth and Space Sciences, University of Washington, Kincaid Hall, Seattle, WA 98125, MITCHELL, Ross, N., Department of Geology and Geophysics, Yale University, New Haven, CT 06520-8109 and SADLER, Peter, Department of Earth Sciences, University of California, Riverside, Riverside, CA 92521, argo@u.washington.edu, argo@u.washington.edu

SINGER, Brad S., Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53076, CONDON, Daniel, NERC Isotope Geoscience Laboratory, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, SIEWERT, Sarah E., Geoscience, University of Wisconsin-Madison, 1215 West Dayton St, Madison, WI 53076, MEYERS, Stephen R., Department of Geoscience, University of Wisconsin, 1215 West Dayton St, Madison, WI 53076, SAGEMAN, Bradley B., Earth and Planetary Sciences, Northwestern University, 1850 Campus Drive, Evanston, IL 60208, OBRADOVICH, John D., U.S. Geological Survey, MS 980, Box 25046, Denver, CO 80225, SAWYER, David A., USGS, MS 980, Box 25046, Denver, CO 80225 and JICHA, Brian R., Geoscience, University of Wisconsin-Madison, bsinger@geology.wisc.edu, bsinger@geology.wisc.edu

SIEWERT, Sarah E., Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, SINGER, Brad S., Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53076, CONDON, Daniel, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, OBRADOVICH, John D., U.S. Geological Survey, MS 980, Box 25046, Denver, CO 80225, SAGEMAN, Bradley B., Earth and Planetary Sciences, Northwestern University, 1850 Campus Drive, Evanston, IL 60208, MEYERS, Stephen R., Department of Geoscience, University of Wisconsin, 1215 West Dayton St, Madison, WI 53076, JICHA, Brian R., Geoscience, University of Wisconsin-Madison and SAWYER, David A., USGS, MS 980, Box 25046, Denver, CO 80225, sesiewert@wisc.edu, sesiewert@wisc.edu

MEYERS, Stephen R., Department of Geoscience, University of Wisconsin, 1215 West Dayton St, Madison, WI 53076, SIEWERT, Sarah E., Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, SINGER, Brad S., Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53076, SAGEMAN, Bradley B., Earth and Planetary Sciences, Northwestern University, 1850 Campus Drive, Evanston, IL 60208, CONDON, Daniel, NERC Isotope Geoscience Laboratory, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, OBRADOVICH, John D., U.S. Geological Survey, MS 980, Box 25046, Denver, CO 80225, JICHA, Brian R., Geoscience, University of Wisconsin-Madison and SAWYER, David A., USGS, MS 980, Box 25046, Denver, CO 80225, smeyers@geology.wisc.edu, smeyers@geology.wisc.edu

SAHY, Diana¹, FISCHER, Anne², TERRY Jr, Dennis O.³, CONDON, Daniel¹ and KUIPER, Klaudia², (1)NERC Isotope Geosciences Laboratory, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, (2)Faculty of Earth and Life Sciences, Vrije Universiteit, 1085 De Boelelaan, Amsterdam, 1081 HV, Netherlands, (3)Earth and Environmental Science, Temple University, 326 Beury Hall, 1901 N. 13th St, Philadelphia, PA 19122, dihy@bgs.ac.uk, dihy@bgs.ac.uk

MARTIN, Kayla, Earth and Planetary Sciences Department, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, SNELL, Kathryn E., Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, MC 100-23, Pasadena, CA 91125, MILLER, Ian M., Dept. of Earth Sciences, Denver Museum of Nature and Science, Denver, CO 80205 and JOHNSON, Kirk R., Denver Museum of Nature & Science, 2001 Colorado Blvd, Denver, CO 80205, kxmartin@ucsc.edu, kxmartin@ucsc.edu

RIVERA, Tiffany A., Isotope Geology Lab, Boise State University, 1910 University Dr, Boise, ID 83725 and STOREY, Michael, QuadLab, ENSPAC 11.1, Roskilde University Center, Universitetsvej 1, PO Box 260, Roskilde, 4000, Denmark, tiffanyarivera@gmail.com, tiffanyarivera@gmail.com