Name introduced in this report. Unit is intrusive into Fordham gneiss, Inwood limestone, and Manhattan schist.
Source: GNU records (USGS DDS-6; Reston GNULEX).
Unit described as an intrusive that forms the elevated portion of Staten Island and the Knob at Castle Point, in Hoboken, NJ. Also referred to as Hoboken serpentine. In all cases it is probably more closely associated with Manhattan schist [Precambrian] than with any other important formation, though age is undetermined.
Source: GNU records (USGS DDS-6; Reston GNULEX).
Staten Island Serpentinite described as an oval body that crops out over 20 sq mi in the northeastern part of the island. Overlies Cambrian-Ordovician New York City Group; underlies Upper Triassic Stockton Formation of Newark Group. Age given as Cambrian to Ordovician.
Source: GNU records (USGS DDS-6; Reston GNULEX).
Age shown as Ordovician (460 m.y.).
Source: GNU records (USGS DDS-6; Reston GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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