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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Brooklyn Gneiss†
  • Modifications:
    • Abandoned
  • AAPG geologic province:
    • New England province
Publication:

Baskerville, C.A., and Mose, D.G., 1989, The separation of the Hartland Formation and Ravenswood Granodiorite from the Fordham Gneiss at Cameron's Line in the New York City area: Northeastern Geology, v. 11, no. 1, p. 22-28.


Summary:

In New York City, Cameron's Line, a tectonic boundary which shows evidence of extreme compression and thrust faulting, separates the Manhattan Prong with its Middle Proterozoic Fordham Gneiss overlain by C and O allochthonous units on the west, from the allochthonous eugeoclinal Hartland Formation and Ravenswood Granodiorite on the east. The Hartland is mapped in the east Bronx and Queens; the Ravenswood is in Queens, Kings, and lower east Manhattan. All three of these were previously mapped as Brooklyn Gneiss or Brooklyn Injection Gneiss, which should be abandoned.

Source: GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).