Paleomagnetism and Magnetostratigraphy of Upper Permian to Lower Triassic (?) Beaufort Group Strata at Bethulie, Karoo Basin, Free State Province, South Africa

John W Geissman, University of Texas at Dallas, Department of Geosciences, Richardson, TX, United States, Robert A. Gastaldo, Colby College, Department of Geology, Waterville, ME, United States, Johann Neveling, Council for Geosciences, Pretoria, South Africa and Sisanda Makubalo, Council for Geoscience, Pretoria, South Africa