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Maltby Lakes Metavolcanics

Maltby Lakes Metavolcanics - Green to gray-green, fine-grained, massive to well-foliated and layered greenstone, greenschist, and schist; also dark amphibolite to west and southwest.
StateConnecticut
NameMaltby Lakes Metavolcanics
Geologic ageMiddle? Ordovician
Original map labelOma
CommentsPart of Central Lowlands; Iapetus (Oceanic) Terrane - Connecticut Valley Synclinorium; Orange-Milford Belt
Primary rock typegreenstone
Secondary rock typegreenschist
Other rock typesschist; amphibolite
Lithologic constituents
Major
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
Minor
Metamorphic > Amphibolitedark amphibolite to west and southwest.
Map references
Connecticut Geological and Natural History Survey, DEP, in cooperation with the U.S. Geological Survey, 2000, Bedrock Geology of Connecticut, data format: shapefile, file name: bedrock, downloaded from: http://magic.lib.uconn.edu/cgi-bin/MAGIC_DBsearch2.pl?Geography=37800&Loc=0000 on 9/18/2003, scale 1:50,000.
Unit references
Rodgers, John, compiler, 1985, Bedrock Geological Map of Connecticut: Connecticut Geological and Natural History Survey, Hartford, Connecticut, 2 sheets, scale 125,000.
Geographic coverageNew Haven

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