Paleomagnetic and ⁴⁰Ar/³⁹Ar geochronologic data from Late Proterozoic mafic dikes and sills, Montana and Wyoming /

Bibliographic Details
Main Author: Harlan, Stephen S.
Corporate Author: Geological Survey (U.S.)
Other Authors: Geissman, John William, Snee, Lawrence W.
Format: Government Document Book
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.
Item Description:"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso.
Shipping list no.: 97-0327-P.
Physical Description:16 pages : illustrations, maps ; 28 cm.
Bibliography:Includes bibliographical references (pages 14-16).