40Ar/39Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana
June 1, 1996
No abstract available.
Citation Information
Publication Year | 1996 |
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Title | 40Ar/39Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana |
DOI | 10.3133/b2132 |
Authors | John W. M'Gonigle, G. Brent Dalrymple |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Bulletin |
Series Number | 2132 |
Index ID | b2132 |
Record Source | USGS Publications Warehouse |