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- Usage in publication:
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- Shultz limestone member
- Modifications:
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- Original reference
- Dominant lithology:
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- Limestone
- AAPG geologic province:
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- Permian basin
Summary:
Pg. 1579, 1582. Shultz limestone member of Talpa formation. Uppermost 50 feet of Talpa formation in Concho County, central Texas, contains 2 persistent ledge makers. The lower of these members is a 2-foot bed of yellow limestone, lying 950 feet above Coleman Junction limestone. It is here called Shultz member, from ranch house of Mrs. Winifred Shultz, which is on ledge formed by the outcrop (in NE/4 Texas and New Orleans RR Company Survey 127), 8 miles southeast of Paint Rock. The limestone is top bed of Talpa formation and here called Hartgrove member. Has been traced across southeastern part of Runnels County to point 9.8 miles north of southeast corner of that county. [Age is Permian.]
Source: US geologic names lexicon (USGS Bull. 896, p. 1992).
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 ([ ]).