Cambrian(?), Middle Proterozoic, and Archean rocks penetrated in a borehole near Argenta, Beaverhead County, Montana, and some paleogeographic and structural implications
By: by Robert C. Pearson.
Series: Belt supergroup in the Highland Mountains and probable equivalent rocks in the Pioneer and Anaconda ranges, southwestern Montana -- B.; U.S. Geological Survey bulletin -- 2121-B.
Publisher: U.S. G.P.O.; For sale by U.S. Geological Survey, Information Services
Published: 1996
Place of publication: Washington; Denver, CO
Language: eng
Number of pages: 15
Subjects: Geology, Stratigraphic -- Montana -- Argenta Region.; Geology, Structural -- Montana -- Argenta Region.; Borings -- Montana -- Argenta Region.
Notes: Shippping list no.: 96-0155-P.

Includes bibliographical references (p. 14-15).