|Name||Maltby Lakes Metavolcanics|
|Geologic age||Middle? Ordovician|
Metamorphic > Schistgreen to gray-green, fine-grained, massive to well-foliated and layered greenschist, and schist
Metamorphic > Metaigneous > Greenstonegreen to gray-green, fine-grained, massive to well-foliated and layered
Metamorphic > Amphibolitedark amphibolite to west and southwest.
|Comments||Part of Central Lowlands; Iapetus (Oceanic) Terrane - Connecticut Valley Synclinorium; Orange-Milford Belt|
Rodgers, John, compiler, 1985, Bedrock Geological Map of Connecticut: Connecticut Geological and Natural History Survey, Hartford, Connecticut, 2 sheets, scale 1:125,000.