Department of Earth and Planetary Science, University of California, Berkeley, CA 94709, United States ; Western Australian Argon Isotope Facility, Curtin university of Technology, Perth, WA 6845, Australia
Berkeley Geochronology Center, 2455 Ridge Rd., Berkeley, CA 94709, United States ; Department of Earth and Planetary Science, University of California, Berkeley, CA 94709, United States
Museum f. Natural History (Mineralogy), Humboldt-University, Invalidenstrasse 43, Berlin, 10115, Germany