Usage:
Hudson Rapids amphibolite [informal] (AL?,GA)
Considered informal until formally published. The rank or lithologic term should not be capitalized.
Geologic age:
Neoproterozoic to early Paleozoic
Type section, locality, area and/or origin of name:
Exposures in a 0.5 mi-wide band at Hudson Rapids locality on northern half of Ross Mountain (local name), northern part of Mulberry Grove 7.5-min quadrangle, GA (Hanley, 1987).
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 ([ ]).