- Usage in publication:
-
- Worthey member
- Modifications:
-
- Original reference
- Dominant lithology:
-
- Slate
- Limestone
- Shale
- AAPG geologic province:
-
- South Oklahoma folded belt
Summary:
Pg. 158 (fig. 2), 161-162, 163. Worthey member of Sycamore formation. Consists of compact tough blocky blue slate, silty to sandy limestone which is massive at base becoming thick-bedded near middle and thin-bedded near top; also member becomes more shaly toward top. Total thickness approximately 310 feet. Eastward from type locality upper part gives way to lower Caney shale which becomes calcareous near base; contact gradational. Overlies Cornell Ranch member (new). Age is Mississippian.
Type section: in SE/4 SE/4 NE/4 sec. 33, T. 2 S., R. 1 E., Carter Co., south-central OK. Named from Ed Worthey Farm. Massive part of member forms prominent Sycamore hogback.
Source: US geologic names lexicon (USGS Bull. 1200, p. 4306).
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 ([ ]).