Biotite-garnet-feldspar gneiss of Ragged Hill

Although extremely narrow, shows local cross cutting relations with Ops, Sfs, and Dl.
State Massachusetts
Name Biotite-garnet-feldspar gneiss of Ragged Hill
Geologic age Devonian
Lithologic constituents
Major
Metamorphic > Gneiss > Biotite-gneissbiotite-garnet-feldspar gneiss
Comments Part of Merrimack Belt (Silurian, Devonian and Pennsylvanian Rocks)
References
NGMDB product
Counties Hampden - Hampshire - Worcester