Anisotropy of magnetic susceptibility studies in Tertiary ridge-parallel dykes (Iceland), Tertiary margin-normal Aishihik dykes (Yukon), and Proterozoic Kenora–Kabetogama composite dykes (Minnesota and Ontario)
aMacalester College, 1600 Grand Avenue, St. Paul, MN 55105 USA;bDepartment of Earth and Ocean Sciences, University of Victoria, Victoria, B.C., Canada;cInstitute for Rock Magnetism, University of Minnesota, Minneapolis, MN 55445 USA