State | Connecticut |
---|---|
Name | Basal member [of The Straits Schist] |
Geologic age | Silurian |
Lithologic constituents |
Major
Metamorphic > Metasedimentary > Metacarbonate > Marble
Metamorphic > Amphibolite
Metamorphic > Schist
Minor
Metamorphic > Metasedimentary > Calc-silicate-rock
Metamorphic > Metasedimentary > Metaclastic > Quartzite
|
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 - Hartford - Litchfield - New Haven |