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Fitch Formation

Fitch Formation - Gray, fine- to medium-grained calc-silicate rock, composed of quartz, biotite, calcite, actinolite, diopside, microcline, and locally garnet, scapolite, or epidote, interlayered with two-mica schist.
StateConnecticut
NameFitch Formation
Geologic ageSilurian
Original map labelSbf
CommentsPart of Eastern Uplands; Iapetus (Oceanic) Terrane - Bronson Hill Anticlinorium; Bolton Group (Devonian and Silurian)
Primary rock typecalc-silicate rock
Secondary rock typemica schist
Other rock types
Lithologic constituents
Major
Metamorphic > Schist > Mica-schistinterlayered with two-mica schist
Metamorphic > Metasedimentary > Calc-silicate-rockGray, fine- to medium-grained calc-silicate rock, composed of quartz, biotite, calcite, actinolite, diopside, microcline, and locally garnet, scapolite, or epidote.
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 coverageHartford - Middlesex - Tolland

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