Usage:
Rich Acres Formation (VA)
Rich Acres Formation of Martinsville igneous complex (VA)
Geologic age:
Ordovician
Type section, locality, area and/or origin of name:
Exposure 150 ft northwest of Rich Acres Christian Church in community of Rich Acres, Martinsville West quadrangle, Henry Co., south-central VA (Conley and Toewe, 1968).
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 ([ ]).