Cambrian(?), Middle Proterozoic, and Archean rocks penetrated in a borehole near Argenta, Beaverhead County, Montana, and some paleogeographic and structural implications.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. G.P.O. ;
1996.
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| Series: | U.S. Geological Survey bulletin ;
2121. Belt supergroup in the Highland Mountains and probable equivalent rocks in the Pioneer and Anaconda ranges, southwestern Montana ; B. |
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