Millport Member of Rhinestreet Formation (NY,PA)
Millport Shale of West Falls Group (NY)
Late Devonian
Type section: lower part in Sleeper Creek and upper part in stream just south of Sleeper Creek where overlying Dunn Hill is exposed at elevation of 1,340 ft. Named from village of Millport, Chemung Co., central NY, 1.2 miles west of type section (Sutton and others, 1962).
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 ([ ]).