Usage:
Huron Shale Member of Ohio Shale (KY*,OH*,PA*,TN*,VA*,WV*)
Huron Member of Ohio Shale (KY*,OH*,PA*,TN*,VA*,WV*)
Huron Shale Member of Chattanooga Shale (VA)
Huron Bed of Gassaway Member of Chattanooga Shale (AL*,GA*,KY*,TN*)
Geologic age:
Late Devonian (Famennian)*
Type section, locality, area and/or origin of name:
Named from exposures on Huron River, from Berea west to Norwalk where the Huron forms cliffs 5 to 70 ft high, Huron and Erie Cos., northern OH (US geologic names lexicons, USGS Bull. 896, 1200).
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 ([ ]).