Briarcliff Dolostone and Pine Plains Formation

Columbia County: Pine Plains-dolostone, oolite, shale.
State New York
Name Briarcliff Dolostone and Pine Plains Formation
Geologic age Cambrian
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone
Minor
Sedimentary > Clastic > Mudstone > ShalePine Plains-dolostone, oolite, shale.
Comments part of Beekmantown and Stockbridge Groups, Potsdam Sandstone, and Vermont Valley Sequence up to 3500 ft. (1100 m). Note that unit has no name on printed map (part of Wappinger Group - inferred from other map sheets). Formation names used here. Age changed to Late Cambrian as per USGS Lexicon website (ref. NY046) according to reference NY007.
References

Fisher, D.W., Isachsen, Y.W., and Rickard, L.V., 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250,000.

Knopf, E.B., 1956, Stratigraphy and structure of the Stissing area, Dutchess County, New York [abs.]: Geological Society of America Bulletin, v. 67, no. 12, pt. 2, p. 1817-1818.

USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/

https://ngmdb.usgs.gov/Geolex/search

NGMDB product
Counties Columbia - Dutchess