U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Nassau

Usage:

Nassau Formation (MA*,NY*)


Subunits:

(alphabetical): Bomoseen Graywacke Member (NY*), Mettawee Member (MA*,NY), Mudd Pond Quartzite Member (NY*), Rensselaer Graywacke Member (MA*,NY*), Truthville Member (NY), Zion Hill Quartzite Member (NY*).


Geologic age:

Precambrian*
Proterozoic, Late*
Cambrian, Early*


Type section, locality, area and/or origin of name:

Nassau, Rensselaer Co., eastern NY (Ruedemann, 1914).


AAPG geologic province:

New England province*


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

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).