- Usage in publication:
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- Santo limestone member
- Santo limestone bed
- Modifications:
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- Overview
- AAPG geologic province:
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- Fort Worth syncline
Summary:
Pg. 19, fig. 3. Santo limestone member (Santo limestone bed) of Grindstone Creek formation. In north-central Texas, correlation of Parker [County] exposures with Palo Pinto County is made on basis of similarity of lithology and stratigraphic position. Limestone is gray to brownish-gray and fairly pure; bedding irregular to massive. Thickness 2 to 4 feet. Occurs about middle of formation. Age is Pennsylvanian. Report follows classification of Cheney (1940) [also refers to this unit as a limestone bed].
Source: US geologic names lexicon (USGS Bull. 1200, p. 3472).
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 ([ ]).