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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

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Additional Publication Details

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
Edition:
-
Year Published:
1997
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
49 p. :ill. (1 col.), map ;28 cm.