Dexterville Formation of Conneaut Group (NY)
Dexterville Shale (PA)
Dexterville Member of Chadakoin Formation (NY)
Late Devonian
Named from the brick quarries south of Chadakoin River in East Jamestown, a district formerly known as Dexterville, Chautaqua Co., west-central NY (Caster, 1934).
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 ([ ]).