Paleomagnetism and U-Pb geochronology of diabase dyke swarms of Minto block, Superior Province, Quebec, Canada Buchan, Kenneth L. ; Mortensen, James K. ; Card, Kenneth D. ; Percival, John A. Abstract Publication: Canadian Journal of Earth Sciences Pub Date: 1998 DOI: 10.1139/e98-054 Bibcode: 1998CaJES..35.1054B