40Ar/39Ar age of the Manson, Iowa, impact structure and coeval impact ejecta in the Crow Creek member of the Pierre Shale, South Dakota and Nebraska
January 1, 1997
No abstract available.
Citation Information
Publication Year | 1997 |
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Title | 40Ar/39Ar age of the Manson, Iowa, impact structure and coeval impact ejecta in the Crow Creek member of the Pierre Shale, South Dakota and Nebraska |
DOI | 10.3133/ofr97523 |
Authors | G. A. Izett, W. A. Cobban, G. B. Dalrymple, J.D. Obradovich |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Open-File Report |
Series Number | 97-523 |
Index ID | ofr97523 |
Record Source | USGS Publications Warehouse |