Austerlitz Phyllite

Austerlitz Phyllite - minor quartzite
State New York
Name Austerlitz Phyllite
Geologic age Cambrian?
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Phyllite
Minor
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Comments part of Eugeosynclinal (Allochthonous) Sequence up to 6000 ft.? (2000 m). Age changed to Late Proterozoic as per USGS Lexicon website (ref. NY046) according to reference NY006.
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.

Fisher, D.W. 1977. Correlation of the Hadrynian, Cambrian, and Ordovician rocks in New York State. New York State Museum Map and Chart Series no. 25, p.75.

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

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

NGMDB product
Counties Columbia - Rensselaer