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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.
Publication Year 1996
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
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