Paleomagnetic and 40 Ar/39 Ar geochronologic data from Late Proterozoic mafic dikes and sills, Montana and Wyoming.  by Stephen S. Harlan, John Wm. Geissman and Lawrence W. Snee
Contributors: Harlan, S.; Geissman, J.W.; Snee, L.W.
Publisher: U.S. Department of the Interior
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Geology, Stratigraphic - Proterozoic
Notes: 11