- Usage in publication:
-
- Lackawaxen conglomerate
- Modifications:
-
- Named
- Dominant lithology:
-
- Sandstone
- Shale
- Conglomerate
- AAPG geologic province:
-
- Appalachian basin
Summary:
Named Lackawaxen conglomerate for village and other places within the Lackawaxen Township, Pike Co., PA. It is separated from the overlying Montrose red shale by 30 feet of greenish gray sandstones and from the underlying Delaware flags by 350 feet of sandstones and shales. Thickness is 50 feet. Later in this report, the conglomerate beds called Lackawaxen are included in his Delaware River flags, and is described as a very massive pebbly bed, 30 to 75 feet thick. Age is considered Late Devonian.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Lackawaxen Member
- Modifications:
-
- Revised
- AAPG geologic province:
-
- Appalachian basin
Summary:
The Lackawaxen Member is assigned to the Catskill Formation rather than the Chemung Formation.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Lackawaxen Member*
- Modifications:
-
- Overview
- AAPG geologic province:
-
- Appalachian basin
Summary:
Lackawaxen Conglomerate of White (1882) adopted, reduced in rank, and assigned as the Lackawaxen Member of the Upper Devonian Catskill Formation. Consists of gray feldspathic sandstone, fine- to medium-grained, and minor red siltstone and claystone. Two thin conglomeratic beds are at the base and near the top; 200-500 ft thick. Over Delaware River Member; underlies Poplar Gap and Packerton Members, undivided. Follows usage of the Pennsylvania Geological Survey (Berg and others, 1983). . [Changes are discussed in Sevon, W.D., Berg, T.M., Schultz, L.D., and Crowl, GH. (1989 [1991], Geology and mineral resources of Pike County, Pennsylvania: Pennsylvania Geological Survey, 4th ser., County Report 52.)]
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 ([ ]).