Institute for Rock Magnetism and Department of Geology and Geophysics, University of Minnesota, 291 Shepherd Laboratories, 100 Union Street S. E., Minneapolis, MN 55455, USA
Department of Geology and Geophysics, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706, USA
Department of Earth Sciences, Aarhus Universitet, Hoegh-Guldbergs Gade 2, Aarhus C, DK-8000, Denmark
Institute for Rock Magnetism and Department of Geology and Geophysics, University of Minnesota, 291 Shepherd Laboratories, 100 Union Street S. E., Minneapolis, MN 55455, USA