Biotite gneiss near New Bedford

Layered feldspathic gneiss.
State Massachusetts
Name Biotite gneiss near New Bedford
Geologic age Proterozoic Z
Lithologic constituents
Major
Metamorphic > Gneiss > Biotite-gneissBiotite gneiss near New Bedford - Layered feldspathic gneiss.
Comments Part of Milford-Dedham Zone (Tertiary and Older Rocks)
References
NGMDB product
Counties Bristol - Plymouth