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Castle Point, Hoboken, Hudson Co., New Jersey, USA

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Latitude & Longitude (WGS84): 40° 44' 42'' North , 74° 1' 24'' West
Latitude & Longitude (decimal): 40.74500,-74.02333
Köppen climate type:Cfa : Humid subtropical climate

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For more on the serpentinite of the New York City / Hoboken area see the Mindat page for "Staten Island (Richmond Co.), New York City, New York, USA"

Mindat Articles

The Minerals of Castle Point, Hoboken, NJ (Darton 1882) by Daniel Russell

Mineral List

8 valid minerals. 2 (TL) - type locality of valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Cambrian - Neoproterozoic
485.4 - 1000 Ma

ID: 2739059

Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma)

Description: Light-yellowish-green to dark-green, fine-grained, massive serpentinite containing locally abundant magnetite where fresh. Contains a variety of serpentine minerals and alteration products where sheared or weathered. Exposed only along the Hudson waterfront in Hoboken but present elsewhere in boring logs.

Lithology: Major:{serpentinite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


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Sowerby, James (1811), Exotic Mineralogy: or, Coloured Figures of Foreign Minerals, as a Supplement to British Mineralogy.
Darton, Nelson Horatio (1882) The Mineralogical Localities in and around New York City, and The Minerals Occurring therein. Scientific American Supplement, New York, August 5, 1882: XIV, No. 344.
Chester, Albert H. (1901) New Jersey State Geologist Annual Report for the year 1900. Trenton, New Jersey: 186-188.
Manchester, J.G. (1931), The Minerals of New York City & Its Environs, New York Mineralogical Club Bulletin, Vol. 3: 30.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 186, 190, 273.
Dana 8: 1419.

External Links (Brucite illustration in: Sowerby, 1811)

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