Usage:
Carlton Rhyolite (OK)
Carlton Group (OK)
/Carlton Rhyolite Group (OK)
Called Carrollton Mountain porphyry and Carlton Mountain porphyry in early reports.
[A group name combines a geographic name with the term "group," and no lithic designation is included (ACSN, 1961, 1970; NACSN, 1983, 2005, 2021).]
Subunits:
GROUP STATUS (alphabetical) --all in OK: Colbert Porphyry, Davidson Rhyolite.
Geologic age:
Middle Cambrian
Type section, locality, area and/or origin of name:
Bally Mountain, in sec. 27, T. 6 N., R. 14 W., Bally Mountain 7.5-min quadrangle, Kiowa Co., southwestern OK (Ham and others, 1964).
Named from Carlton Mountains, Comanche Co., Wichita Mountains, southwestern OK (Bain, 1900; Gould, 1904).
Carlton (Carrollton) Mountains are now individually named hills in Fort Sill Military Reservation (see Ham and others, 1964).
AAPG geologic province:
South Oklahoma folded belt
Ouachita folded belt
Palo Duro basin
Anadarko basin
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 ([ ]).