Usage:
Ashland Mica Schist (AL*,GA*)
Ashland Group (AL,GA,NC)
Ashland Supergroup (AL)
Subunits:
Poe Bridge Mountain, Mad Indian, Higgins Ferry, and Hatchet Creek Groups of Ashland Supergroup (AL).
Geologic age:
Neoproterozoic and/or early Paleozoic*
Type section, locality, area and/or origin of name:
Named from development around Ashland, Clay Co., eastern AL (US geologic names lexicon, USGS Bull. 896).
AAPG geologic province:
Piedmont-Blue Ridge 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 ([ ]).