State | Connecticut |
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Name | Nonewaug Granite |
Geologic age | Devonian |
Lithologic constituents | Major
Igneous > Plutonic > Granitic > Leucocratic-granitic > Pegmatite(commonly pegmatitic)
Igneous > Plutonic > Granitic > GraniteWhite to pink, fine- to very coarse-grained (commonly pegmatitic), massive to layered granite composed of albite, microcline, quartz, and muscovite, with minor biotite and garnet. Microcline commonly graphic; quartz and muscovite commonly in plumose aggregates.
|
Comments | Part of Central Lowlands; Iapetus (Oceanic) Terrane - Connecticut Valley 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 | Hartford - Litchfield |