TY - RPRT TI - Late Cretaceous remagnetization of Proterozoic mafic dikes, southern Highland Mountains, southwestern Montana: A paleomagnetic and 40Ar/39Ar study AU - S. S. Harlan AU - J. W. Geissman AU - L.W. Snee AU - R. L. Reynolds PY - 1996 DO - 10.1130/0016-7606(1996)108<0653:lcropm>2.3.co;2 UR - https://pubs.usgs.gov/publication/70018999 ID - 70018999 ER -