Usage:
Bragdon Formation (CA*)
Geologic age:
Mississippian*
Devonian, Late [?]
Type section, locality, area and/or origin of name:
Exposures in Bragdon Gulch and vicinity of Bragdon, on Trinity River 8 mi south of Trinity Center, Weaverville quadrangle, northwestern CA. Named from community of Bragdon. Formation occurs as an arcuate band 17 mi long and as much as 4 mi wide at north end of West Shasta district, Shasta Co., CA (Hershey, 1901).
AAPG geologic province:
Klamath Mountains 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 ([ ]).