- Usage in publication:
-
- Camp member
- Modifications:
-
- Named
- Dominant lithology:
-
- Shale
- Limestone
- AAPG geologic province:
-
- Appalachian basin
Summary:
Named as basal member of Denmark formation. Named for Camp Mills, 2 mi east of Sackets Harbor, Jefferson Co., northern NY. Consists of thick, hummocky beds of rubbly-weathering, blue-gray, nodular, argillaceous calcilutite and shale with thinner intercalated beds of hard, pure calcilutite, and a few calcarenites. Maximum thickness is 12 ft. Underlies Glendale member (new); overlies Shoreham formation. Age is Middle Ordovician.
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 ([ ]).