Hornblende norite

Dark, coarse-grained, massive rock, composed of bytownite, hornblende, and hypersthene.
State Connecticut
Name Hornblende norite
Geologic age Devonian?
Lithologic constituents
Major
Igneous > Plutonic > Gabbroic > Gabbro > NoriteDark, coarse-grained, massive rock, composed of bytownite, hornblende, and hypersthene.
Comments Part of Eastern Uplands; Iapetus (Oceanic) Terrane - Merrimack Synclinorium
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 Tolland