- Usage in publication:
-
- Sloat Brook Formation
- Modifications:
-
- Named
- Dominant lithology:
-
- Shale
- Siltstone
- AAPG geologic province:
-
- Appalachian basin
Summary:
Sloat Brook Formation named. Type section designated. Silty shale, siltstone. Dark gray. Thickness: >72 m. Thin-bedded, with cross-laminae and groove casts; fossiliferous. Overlies Sparrow Bush Formation; gradationally underlies Millrift Formation. Age is Late Devonian.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Sloat Brook Member
- Modifications:
-
- Revised
- AAPG geologic province:
-
- Appalachian basin
Summary:
Sloat Brook Member reduced in rank and assigned to Trimmers Rock Formation.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Sloat Brook Member*
- Modifications:
-
- Overview
- AAPG geologic province:
-
- Appalachian basin
Summary:
Upper Devonian Sloat Brook Formation of Fletcher and Woodrow (1970) adopted, reduced in rank, and assigned as the Sloat Brook Member of the Trimmers Rock Formation in Pike Co., PA. Consists of siltstone and shale, generally thin to medium bedded. Overlies Middle Devonian Mahantango Formation; underlies Millrift Member of Trimmers Rock Formation. The maximum thickness of the Sloat Brook Member in the area is 1,500 ft. Follows usage of the Pennsylvania Geological Survey (Berg and others, 1983).
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 ([ ]).