Usage:
Falls Run Granite Gneiss of Fredericksburg Complex (VA*)
Falls Run Granite Gneiss (VA)
Geologic age:
Silurian*
Type section, locality, area and/or origin of name:
Extensive exposures of bedrock and saprolite located downstream from intersection of Falls Run and VA Route 654 Salem Church 7.5-min quadrangle, Stafford Co., eastern VA (Pavlides, 1980).
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 ([ ]).