Nodular member [of Harrison Gneiss]

Harrison Gneiss containing prominent quartz-sillimanite nodules.
State Connecticut
Name Nodular member [of Harrison Gneiss]
Geologic age Middle? Ordovician
Lithologic constituents
Major
Metamorphic > GneissHarrison Gneiss containing prominent quartz-sillimanite nodules.
Comments Part of Central Lowlands; Iapetus (Oceanic) Terrane - Connecticut Valley Synclinorium; Hartland Belt
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