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
Publisher: U.S. G.P.O.
Published: 1996
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Geology, Structural -- Montana -- Argenta Region.; Borings -- Montana -- Argenta Region.; Rocks -- Montana -- Argenta Region.
Notes: Includes bibliographical references (p. 14-15).