Affiliation: | 1. Institut für Planetologie, Universität Münster, Wilhelm-Klemm-Str. 10, D-48149 Münster, Germany;2. **Members of the Coordination Committee for the European Science Foundation Network on ‘Impacts and Evolution of Planet Earth';3. Institut für Geochemie, Universität Wien, Dr-Karl-Lueger-Ring 1, A-1010 Vienna, Austria;4. Department of Earth Sciences, Dartmouth College, Hanover, NH 03755, USA;5. Department of Mineral Sciences, Smithsonian Institution, Washington, DC 20560, USA;6. Department of Geology, University of Delaware, Newark, DE 19716, USA;7. Geological Survey of Canada, 1 Observatory Crescent, Ottawa, ON K1A 0Y3, Canada;8. Institut für Mineralogie und Petrographie, Universität München, D-80333 München, Germany;9. Max Planck Institut für Kernphysik, Postfach 103980, D-69029 Heidelberg, Germany;10. Naturhistorisches Museum, P.O. Box 417, A-1014 Vienna, Austria;11. Economic Geology Research Unit, Department of Geology, University of the Witwatersrand, Johannesburg 2050, South Africa;12. Instituut voor Aardwetenschappen, Vrije Universiteit van Amsterdam, de Boelelaan 1085, NL-1081 HV Amsterdam, Netherlands;13. Museum für Naturkunde, Humboldt Universität, Invalidenstr. 43, D-10115 Berlin, Germany;14. Department of Nuclear Physics, Australian National University, Canberra, ACT 2601, Australia. |