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Lisbon, Grafton Co., New Hampshire, USA

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Latitude & Longitude (WGS84): 44° 12' 48'' North , 71° 54' 39'' West
Latitude & Longitude (decimal): 44.21333,-71.91083
Köppen climate type:Dfb : Warm-summer humid continental climate

The name of this town was Concord (1763-1764), Chiswick (1764-1768), Gunthwaite (1768-1824), and finally Lisbon from 1824 to present.

Note: The town of Sugar Hill was part of Lisbon until 1962.

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

Mineral List

Mineral list contains entries from the region specified including sub-localities

23 valid minerals.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Regional Geology

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

Late Ordovician - Middle Ordovician
443.8 - 470 Ma

ID: 2801773
Ammonoosuc Volcanics, Bimodal volcanic rocks

Age: Ordovician (443.8 - 470 Ma)

Stratigraphic Name: Ammonoosuc Volcanics

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. Ammonoosuc Volcanics, Moosilauke quadrangle, N.H. = 444+/-4 U/Pb per Aleinikoff, oral commun., Oct. 1991.

Lithology: Major:{felsic volcanic,mafic volcanic}

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. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

Localities in this Region

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


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Boudette, Eugene L. (2005). Gold in New Hampshire (NH Dept. of Environmental Services, Environmental Fact Sheet CO-GEO-1).

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