Usage:
No current usage.
(Rocks of †Lurich Formation (VA,WV) reallocated to Five Oaks Limestone, Elway Limestone, and Blackford Formation. See Blackford, Elway, and Five Oaks.)
Geologic age:
late Middle to early Late Ordovician (Chazyan)
Type section, locality, area and/or origin of name:
Lurich, Giles Co., VA (Kay, 1956).
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 ([ ]).