Usage:
/Navajoe Mountain Basalt-Spilite Group (OK)
[A group name combines a geographic name with the term "group," and no lithic designation is included (ACSN, 1961, 1970; NACSN, 1983, 2005, 2021).]
Geologic age:
Early(?) Cambrian
Type section, locality, area and/or origin of name:
Not designated. Best exposed in quarry at south end of Navajoe Mountain, in NE/4 SW/4 sec. 1, T. 2 N., R. 19 W., Jackson Co., OK (Ham and others, 1964).
Type section (subsurface): Stanolind 1 Perdasofpy, in SE/4 NW/4 SW/4 sec. 11, T. 4 N., R. 12 W., Comanche Co., OK (Ham and others, 1964).
AAPG geologic province:
South Oklahoma folded belt
Palo Duro 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 ([ ]).