1. Department of Geology and Geophysics Yale University New Haven CT USA
2. Department of Earth and Environmental Sciences University of Michigan Ann Arbor MI USA
3. Department of Geology University of Cincinnati Cincinnati OH USA
4. Geology Department Pomona College Claremont CA USA
5. Department of Geology University of Johannesburg Johannesburg South Africa
6. Department of Marine Sciences University of South Alabama Mobile AL USA
7. Dauphin Island Sea Lab Dauphin Island AL USA
8. Institut Universitaire Européen de la Mer CNRS UMS 3113, Université de Brest Plouzané France
9. School of Earth and Atmospheric Sciences Georgia Institute of Technology Atlanta GA USA