Usage:
South Fork Mountain Schist (CA*)
Subunits:
Chinquapin Metabasalt Member (CA*).
Geologic age:
Early Cretaceous* (metamorphic age)
Type section, locality, area and/or origin of name:
Type locality: Pickett Peak on South Fork Mountain, in sec. 26, T. 29 N., R. 7 E., [approx. Lat. 40 deg. 20 min. 45 sec. N., Long. 123 deg. 21 min. 50 sec. W., near bdry. btw. Trinity and Six Rivers National Forests], Pickett Peak 15-min quadrangle, Trinity Co., northwestern CA (Blake and others, 1967).
AAPG geologic province:
California Coast Ranges province*
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 ([ ]).