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Units e and d [of Stockbridge Marble]

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White to gray massive calcite marble, commonly mottled with dolomite and locally interlayered with dolomite marble and calcareous siltstone and sandstone.
State Connecticut
Name Units e and d [of Stockbridge Marble]
Geologic age Lower Ordovician
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metacarbonate > MarbleWhite to gray massive calcite marble; locally interlayered with dolomite marble
Minor
Sedimentary > Carbonate > Dolostonecommonly mottled with dolomite
Sedimentary > Clastic > Sandstone (Calcareous)
Sedimentary > Clastic > Siltstone (Calcareous)
Comments Part of Western Uplands; Proto-North American (Continental) Terrane - Carbonate Shelf
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 Litchfield