State | Connecticut |
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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 |