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National Geologic Map Database

Geologic Unit: Red Hill

Usage:

Red Hill Syenite of White Mountain Plutonic-Volcanic Suite (NH*)
Red Hill Complex of White Mountain Pluonic-Volcanic Suite (NH)


Subunits:

Garland Peak Syenite, Watson Ledge Quartz Syenite, firetower syenite, interior fine granite, outer coarse syenite, nepheline sodalite syenite


Geologic age:

Early Jurassic*


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

On and around Red Hill, southwestern corner of Mount Chocorua 15-min quadrangle, east-central NH (Smith and others, 1938).


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 ([ ]).