Amphibolite-bearing unit of Manhattan Schist

Like Manhattan Schist but with numerous lenses and layers of amphibolite.
State Connecticut
Name Amphibolite-bearing unit of Manhattan Schist
Geologic age Cambrian?
Lithologic constituents
Major
Metamorphic > Gneiss
Metamorphic > Amphibolite
Comments Part of Western Uplands; Proto-North American (Continental) Terrance - Displaced Iapetus Terrane
References

Rodgers, John, compiler, 1985, Bedrock Geological Map of Connecticut: Connecticut Geological and Natural History Survey, Hartford, Connecticut, 2 sheets, scale 1:125,000.

NGMDB product
Counties Fairfield - Litchfield