Usage:
Po River Metamorphic Suite of Fredericksburg Complex (VA*)
Geologic age:
Neoproterozoic and/or early Paleozoic*
Type section, locality, area and/or origin of name:
Type area (composite): (1) segment along Po River between Spotsylvania lineament and U.S. Route 1 and (2) along Ni River between Spotsylvania lineament and U.S. Route 1, Spotsylvania 7.5-min quadrangle, Spotsylvania 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 ([ ]).