BLOCK, Karin A.1, LEHNERT, Kerstin A.
2, JOHANSSON, Annika
2, DRYMALA, Susan
3, FISHMAN, Artem
4, MCDONOUGH, William F.
3, LEE, Cin-Ty A.
5, DUCEA, Mihai
6, RUDNICK, Roberta L.
3 and WALKER, J. Douglas
7, (1)Department of Earth and Atmospheric Sciences, City College of New York, 160 Convent Avenue MR 106, New York, NY 10031, (2)Lamont-Doherty Earth Observatory, Columbia University, 61 Route 9W, Palisades, NY 10964, (3)Department of Geology, University of Maryland, College Park, MD 20742, (4)Center for International Earth Science Information Network, Columbia University, 61 Route 9W, Palisades, NY 10964, (5)Department of Earth Science, Rice University, 6100 Main St, Houston, TX 77005, (6)Geosciences, Univ of Arizona, Tucson, AZ 85721, (7)Department of Geology, Univ of Kansas, Lawrence, KS 66045, kblock@ccny.cuny.edu, kblock@ccny.cuny.edu