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Inwood Marble

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Dolomite marble, calc-schist, granulite, and quartzite, overlain by calcite marble; grades into underlying patchy Lowerre Quartzite of Early Cambrian age.
State New York
Name Inwood Marble
Geologic age Early Cambrian - Lower Ordovician
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metacarbonate > Marbledolomite marble, calcite marble
Minor
Metamorphic > Schist > Calc-silicate-schistcalc-schist
Metamorphic > Granulite
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Comments part of Wappinger and Stockbridge Groups, Poughquag Quartzite, and Metamorphic Equivalents up to 4000 ft. (1200 m).
References

Fisher, D.W., Isachsen, Y.W., and Rickard, L.V., 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250,000.
NGMDB product
Counties Bronx - New York - Putnam - Queens - Westchester