Hornblende-plagioclase gneiss

Hornblende-plagioclase gneiss .
State Massachusetts
Name Hornblende-plagioclase gneiss
Geologic age Precambrian to Paleozoic
Lithologic constituents
Major
Metamorphic > Gneiss > Hornblende-gneisshornblende-plagioclase gneiss
Comments Part of Merrimack Belt (Silurian, Devonian and Pennsylvanian Rocks); age uncertain
References
NGMDB product
Counties Worcester