Paleomagnetic and ⁴°Ar/³⁹Ar geochronologic data from Late Proterozoic mafic dikes and sills, Montana and Wyoming / by Stephen S. Harlan, John Wm. Geissman, and Lawrence W. Snee.

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Bibliographic Details
Uniform Title:U.S. Geological Survey professional paper ; 1580.
Main Author: Harlan, Stephen S.
Corporate Author: Geological Survey (U.S.)
Other Authors: Geissman, John William
Snee, Lawrence W.
Language:English
Published: Washington : Denver, CO : U.S. G.P.O ; For sale by U.S. Geological Survey, Information Services, 1997.
Series:U.S. Geological Survey professional paper ; 1580.
Subjects:
Geology, Stratigraphic > Proterozoic.
Geochronometry > Montana.
Geochronometry > Wyoming.
Sills (Geology) > Montana.
Dikes (Geology) > Wyoming.
Physical Description:iii, 16 pages : illustrations, maps ; 28 cm.
Format: Government Document Book

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