Usage:
Big Spring Station Member of Conococheague Formation (VA,WV)
Big Spring Station Member of Conococheague Formation of Knox Group (VA)
Big Spring Station Member of Conococheague Limestone (MD,PA,VA,WV)
Geologic age:
Late Cambrian
Type section, locality, area and/or origin of name:
Type section: at RR cuts north of and in fields west of Big Spring Station on Western Maryland RR about 3 mi south of Clear Spring, Washington Co., northwestern MD (Cloos, 1951; Wilson, 1952).
AAPG geologic province:
Appalachian basin
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 ([ ]).