Usage:
Catoctin Formation of Crossnore Complex (VA*)
Catoctin Formation (MD*,PA*,VA*,WV*)
Geologic age:
Neoproterozoic to Early Cambrian*
Type section, locality, area and/or origin of name:
Named from Catoctin Mountain, Loudoun Co., VA, and Frederick Co., MD (US geologic names lexicons, USGS Bull. 896, 1200).
AAPG geologic province:
Appalachian basin*
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 ([ ]).