Gorham, Coos Co., New Hampshire, USA
|Latitude & Longitude (WGS84):||44° 23' 16'' North , 71° 10' 23'' West|
|Latitude & Longitude (decimal):||44.3877777778, -71.1730555556|
The area was part of the town of Shelburne until 1836, when the town of Gorham was established.
Mineral ListMineral list contains entries from the region specified including sub-localities
34 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
407.6 - 410.8 Ma
|Littleton Formation, undivided|
Age: Early Devonian (407.6 - 410.8 Ma)
Stratigraphic Name: Littleton Formation
Description: Gray metapelite and metawacke and subordinate metavolcanic rocks; generally, but not everywhere, conformable with underlying Fitch or Madrid Formations. Fossiliferous in western New Hampshire.
Comments: Part of the Central Maine Composite Terrane (Central Maine Trough) - Variably metamorphosed sedimentary and volcanic rocks of greenschist to granulite facies, locally migmatized. Area includes structural belts between the Monroe fault on the west and the Campbell Hill fault on the east; that is, the Bronson Hill anticlinorium, Piedmont allochthon, Kearsarge-central Maine synclinorium, central New Hampshire anticlinorium, and Rochester-Lebanon (Maine) antiformal synclinorium.
Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. 
Localities in this Region
- New Hampshire
- Coos Co.