|Geologic age||Devonian or Silurian or both|
Metamorphic > SchistGray to silvery, locally rusty, fine- to medium-grained schist, composed of quartz, muscovite, biotite, staurolite, and oligoclase, locally with kyanite or sillimanite; interlayered, especially below and to the west, with quartz-oligoclase-biotite schist.
Metamorphic > Granoblastic > Granofels
Metamorphic > Metasedimentary > Metaclastic > Quartzite
|Comments||Part of Eastern Uplands; Iapetus (Oceanic) Terrane - Merrimack Synclinorium|
Rodgers, John, compiler, 1985, Bedrock Geological Map of Connecticut: Connecticut Geological and Natural History Survey, Hartford, Connecticut, 2 sheets, scale 1:125,000.
|Counties||New London - Windham|