USGS Visual Identifier
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Geologic Unit: Rye

Usage:
Rye Formation (NH,ME)
Rye Complex (NH*,ME*)

Age:
Precambrian(?)*
Proterozoic, Late(?)*
Cambrian*
Ordovician(?)*
Geologic Province:
New England province*



Areal Extent:
NH*
ME*



Type Locality:
Along the Rye coast, Rye Twp., Rockingham Co., NH (Wandke, 1922).

Subunits:
Informal members down column from latest to earliest: metavolcanic member, metasedimentary member.

Unit Name History:
Named Rye gneiss (Wandke, 1922).
Revised to Rye Formation (Billings, 1956).
NH State Geol. Map usage; Revised to Rye Complex; Age modified (Lyons and others, 1997).

Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov).
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

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

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).






U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
Database project personnel
Last modified: 15-Jan-2013