U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS

National Geologic Map Database

NGMDB

Geologic Unit: White Mountain

Usage:

White Mountain Plutonic-Volcanic Suite (ME*,NH*,VT*)
/White Mountain magma series [informal] (ME,NH,VT)

[When referring to the White Mountain magma series of Billings (1934), please use informally. The practice of employing "Series" for lithostratigraphic or lithodemic nomenclature is now regarded as improper (ACSN, 1961, 1970; NACSN, 1983, 2005). The term "Series" is applied formally only to chronostratigraphic units.]


Subunits:

(alphabetical): Agamenticus Complex (ME), /Albany Porphyritic Quartz Syenite (NH) or /Albany Quartz Syenite (NH), Alfred Complex (ME), Black Cap Granite (NH), Chocorua Granite (NH), Conway Granite (NH*), Moat Volcanics (NH*), /Mount Garfield Quartz Syenite (NH), Mount Osceola Granite (NH*), Passaconaway Syenite (NH), Red Hill Complex (NH).


Geologic age:

Middle Triassic to Early Cretaceous*


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

White Mountains, northern NH (Billings, 1934).


AAPG geologic province:

New England province*


NGMDB

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 ([ ]).

Find Us:

twitter

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
URL: http://ngmdb.usgs.gov
Page Contact Information: Personnel
Page Last Modified: Tue Jun 3 16:34:31 2014