- Usage in publication:
-
- Amity shale
- Modifications:
-
- Named
- Dominant lithology:
-
- Shale
- AAPG geologic province:
-
- Appalachian basin
Summary:
Outcrops of Amity shale [new name] mentioned. The fossiliferous beds at Rock Creek Village seem to be in the Amity. On Sagamore Creek, in Cuyahoga Valley, OH, the lowest exposure is in the Amity. Included in Bradfordian and also treated as a member of Chagrin formation.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Amity shale member
- Modifications:
-
- Revised
- AAPG geologic province:
-
- Appalachian basin
Summary:
Amity shale member assigned to Devonian Cattaraugus formation. Underlies Watson sandstone member (new name) and overlies Panama conglomerate member. [Name Watson later replaced by Bimber Run conglomerate member (Caster, 1934).]
Source: GNU records (USGS DDS-6; Reston GNULEX).
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 ([ ]).