- Usage in publication:
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- Platte shales
- Modifications:
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- Original reference
- Dominant lithology:
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- Shale
Summary:
Pg. 349. Platte shales. Shales, 105 feet thick, underlying Forbes limestone and overlying Plattsmouth limestone.
Named from exposures at mouth of Platte River at NE-IA line; also well exposed along Platte River (another stream) of northwest MO.
[GNC remark (ca. 1938, US geologic names lexicon, USGS Bull. 896, p. 3059): Equivalent to Tecumseh shale member, Lecompton limestone member, and Kanwaka shale member of Shawnee formation of Condra, 1927 (see "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, sheet 1).]
Source: US geologic names lexicon (USGS Bull. 896, p. 1678).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).