Lisbon, Grafton Co., New Hampshire, USA
|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 ListThis is a list of exploitable or exploited mineral commodities recorded from this region.
Mineral ListMineral list contains entries from the region specified including sub-localities
23 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
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Entries shown in red are rocks recorded for this region.
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
|Late Ordovician - Middle Ordovician|
443.8 - 470 Ma
|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.
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
- Grafton Co.