- Usage in publication:
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- Gap sandstone
- Modifications:
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- Named
- Dominant lithology:
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- Sandstone
- AAPG geologic province:
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- Chautauqua platform
Summary:
Named for occurrence at top of Gap Ridge, southeast corner of area. The gap is also known as Osage Gap which cuts through ridge just east of the southeast corner of T29N, R12E, Washington Co., OK on the Chautauqua platform. No type locality designated. Is about 10 ft thick, thickens to north where it forms surface of Ramsey anticline. Pinches out half mile south of gap in northeast corner of T28N, R12E. Is a lenticular sandstone [not described]. Overlies and underlies unnamed shale. Columnar section. Pennsylvanian age.
Source: GNU records (USGS DDS-6; Denver GNULEX).
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 ([ ]).