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
Open-File Report
97-523
By: G. A. Izett, W. A. Cobban, G. B. Dalrymple, and J. D. Obradovich
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Abstract
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| 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 |
| Series title | Open-File Report |
| Series number | 97-523 |
| DOI | 10.3133/ofr97523 |
| Edition | - |
| Year Published | 1997 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | 49 p. :ill. (1 col.), map ;28 cm. |
| Google Analytic Metrics | Metrics page |