THIBAULT, Nicolas, Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen 1350 Denmark, nt@ign.ku.dk

ASGHARIANROSTAMI, Masoud, Department of Earth, Life and Environmental Sciences, University of Urbino, Campus Scientifico Enrico Mattei, Località Crocicchia, Urbino, 61029, Italy, LECKIE, R. Mark, University of Massachusetts Amherst, Department of Geosciences UMass, 611 N. Pleasant St, Amherst, MA 01003, mleckie@geo.umass.edu, FONT, Eric, Faculdade de Ciencias, University of Lisbon, Campo Grande, Edificio C8, Piso 3, Lisbon, 1749-016, Portugal, FINKELSTEIN, David B., Department of Geoscience, Hobart and William Smith Colleges, Geneva, NY 14456, and KOEBERL, Christian, Department of Lithospheric Research, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria, also of the Natural History Museum, Burgring 7, A-1010 Vienna, Austria

PUNEKAR, Jahnavi, Geosciences, Princeton University, 310 Guyot Hall, Princeton University, Princeton, NJ 08540, jpunekar@princeton.edu, KELLER, Gerta, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, KHOZYEM, Hassan M., Department of Geology, University of Aswan, Aswan, 81528, Egypt, ADATTE, Thierry, Institute of Earth Sciences, Université de Lausanne, Géopolis, Lausanne, 1015, Switzerland, FONT, Eric, Faculdade de Ciencias, University of Lisbon, Campo Grande, Edificio C8, Piso 3, Lisbon, 1749-016, Portugal, and SPANGENBERG, Jorge, Idyst, University of Lausanne, UNIL-Mouline, Bâtiment Géopolis, Lausanne, 1015, Switzerland

MATEO, Paula, Geosciences, Princeton University, Guyot Hall, Princeton University, Princeton, NJ 08544, mmateo@princeton.edu, KELLER, Gerta, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, ADATTE, Thierry, Institut des sciences de la Terre, Université de Lausanne, Quartier UNIL-Mouline, Bâtiment Géopolis, Lausanne, 1015, Switzerland, and SPANGENBERG, Jorge, Institut des dynamiques de la surface terrestre, Université de Lausanne, Quartier UNIL-Mouline, Bâtiment Géopolis, Lausanne, 1015, Switzerland

RICHARDS, Mark¹, ALVAREZ, Walter¹, SELF, Stephen², KARLSTROM, Leif³, RENNE, Paul⁴, MANGA, Michael¹, SPRAIN, Courtney J.¹, SMIT, Jan⁵, VANDERKLUYSEN, Loyc⁶, and GIBSON, Sally⁷, (1) Department of Earth and Planetary Science, University of California, Berkeley, 307 McCone Hall, Berkeley, CA 94720-4767, mark_richards@berkeley.edu, (2) US Nuclear Regulatory Commission, Washington DC 20555;, also at Dept. of Earth and Environmental Sciences, The Open University, Milton Keynes, MK76AA, United Kingdom, (3) Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403-1272, (4) Berkeley Geochronology Ctr, 2455 Ridge Rd, Berkeley, CA 94709-1211, (5) Sedimentology, VU University, Falw, de Boelelaan 1085, Amsterdam, 1018HV, (6) Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, PA 19104, (7) Department of Earth Sciences, University of Cambridge, Cambridge, CB2 3EQ, United Kingdom

KELLER, Gerta, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, gkeller@princeton.edu and ADATTE, Thierry, Institute of Earth Sciences, Université de Lausanne, Géopolis, Lausanne, 1015, Switzerland

ADATTE, Thierry¹, FANTASIA, Alicia¹, KELLER, Gerta², FONT, Eric³, SAMANT, Bandana⁴, MOHABEY, Dhananjay⁴, and GERTSCH, Brian¹, (1) ISTE, Institut des Sciences de la Terre, Université de Lausanne, Batiment Geopolis, quartier Moulines, Lausanne, 1015, Switzerland, Thierry.Adatte@unil.ch, (2) Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, (3) Faculdade de Ciencias, University of Lisbon, Campo Grande, Edificio C8, Piso 3, Lisbon, 1749-016, Portugal, (4) Department of Geology, Nagpur University, Law College Square, Amravati road, Nagpur, 440001, India

FLUTEAU, Frederic and LE HIR, Guillaume, Institut de physique du globe de Paris, 1 rue jussieu, Paris, 75005, France, fluteau@ipgp.fr

MILLER, Steve, Science and Technology Studies / Physics and Astronomy, University College London, Gower Street, London WC1E 6BT United Kingdom, s.miller@ucl.ac.uk

ABBOTT, Dallas H., LDEO of Columbia University, 61 Rt. 9W, Palisades, NY 10964, dallashabbott@gmail.com, BARRON, John A., U.S. Geological Survey, 345 Middlefield Road, MS 910, Menlo Park, CA 94025, BREGER, Dee, Micrographic Arts, Greenfield, NY 19104, BISCAYE, Pierre E., Lamont-Doherty Earth Observatory, Palisades, NY 10964, JUHL, Robert A., Independent Researcher, 1-4-1 Rokko Heights, 906 Shinkawa, Tokyo, 104-0033, Japan, and COLE-DAI, Jihong, Dept Chemistry and Biochemistry, South Dakota State University, Brookings, SD 57007

KESZTHELYI, Laszlo P., US Geological Survey, Astrogeology Science Center, 2255 North Gemini Drive, Flagstaff, AZ 86001, laz@usgs.gov, DUNDAS, Colin M., US Geological Survey, Flagstaff, AZ 86001, JAEGER, Windy, Flagstaff, AZ 86004, and MCEWEN, Alfred S., Lunar and Planetary Laboratory, Univ of Arizona, Tucson, AZ 85721-0063