Taine Mountain and Collinsville Formations undivided

See Ot and Oc.
State Connecticut
Name Taine Mountain and Collinsville Formations undivided
Geologic age Middle to Lower? Ordovician
Lithologic constituents
Major
Metamorphic > Gneiss > Hornblende-gneisssee Ot and Oc
Metamorphic > Granoblastic > Granofelssee Ot and Oc
Metamorphic > Schistsee Ot and Oc
Minor
Metamorphic > Amphibolitesee Ot and Oc
Metamorphic > Metaigneous > Metavolcanicsee Ot and Oc
Comments Part of Central Lowlands; Iapetus (Oceanic) Terrane - Connecticut Valley Synclinorium; Gneiss Dome 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 New Haven