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Long Mountain, Stark, Coos Co., New Hampshire, USAi
Regional Level Types
Long MountainMountain
Stark- not defined -
Coos Co.County
New HampshireState
USACountry

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Latitude & Longitude (WGS84): 44° 40' 51'' North , 71° 22' 50'' West
Latitude & Longitude (decimal): 44.68083,-71.38056
GeoHash:G#: drvnptyk8
Locality type:Mountain
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Stark550 (2017)9.5km
Groveton1,118 (2017)13.8km
Stratford1,003 (2017)14.1km
Maidstone203 (2017)15.6km
Dummer329 (2017)16.2km


Long Mountain is a ridge.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.43-44
'Fayalite-Tephroite Series'
Colour: brownish-black, black
Description: embedded in graphic granite
Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.43-44
'Fayalite-Tephroite Series var: Knebelite'
Formula: from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
Colour: brownish-black, black
Description: embedded in graphic granite
Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.43-44
Microcline
Formula: K(AlSi3O8)
Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.43-44
Quartz
Formula: SiO2
Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.43-44; Rocks and Minerals, (1990) 65:286-296
Quartz var: Amethyst
Formula: SiO2
Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.43-44
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.43-44; Rocks and Minerals, (1990) 65:286-296
Rutile
Formula: TiO2
Reference: P. Cristofono collection

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Microcline9.FA.30K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Fayalite-Tephroite Series'-
'var: Knebelite'-from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Fayalite-Tephroite Series'-
'var: Knebelite'-from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
Quartz
var: Amethyst
-SiO2
var: Smoky Quartz-SiO2

List of minerals for each chemical element

OOxygen
O Fayalite-Tephroite Series (var: Knebelite)from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
O Quartz (var: Smoky Quartz)SiO2
O Quartz (var: Amethyst)SiO2
O MicroclineK(AlSi3O8)
O AlbiteNa(AlSi3O8)
O RutileTiO2
O QuartzSiO2
NaSodium
Na AlbiteNa(AlSi3O8)
AlAluminium
Al MicroclineK(AlSi3O8)
Al AlbiteNa(AlSi3O8)
SiSilicon
Si Fayalite-Tephroite Series (var: Knebelite)from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
Si Quartz (var: Smoky Quartz)SiO2
Si Quartz (var: Amethyst)SiO2
Si MicroclineK(AlSi3O8)
Si AlbiteNa(AlSi3O8)
Si QuartzSiO2
KPotassium
K MicroclineK(AlSi3O8)
TiTitanium
Ti RutileTiO2
MnManganese
Mn Fayalite-Tephroite Series (var: Knebelite)from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4
FeIron
Fe Fayalite-Tephroite Series (var: Knebelite)from (Fe1.5Mn0.5)2SiO4 to (Mn1.5Fe0.5)2SiO4

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 Macrostrat.org

Mississippian - Devonian
323.2 - 419.2 Ma



ID: 2767922
Two-mica granite

Age: Paleozoic (323.2 - 419.2 Ma)

Stratigraphic Name: New Hampshire Plutonic Suite

Description: Found in northern New Hampshire.

Comments: Long Mountain pluton of New Hampshire Plutonic Suite: 350 (approximate) U/Pb per NH014. Original map source: Bennett, D.S., Wittkop, C.A., and Dicken, C.L., 2006, Bedrock Geologic Map of New Hampshire - A Digital Representation of the Lyons and others 1997 map and ancillary files: U.S. Geological Survey Data Series 215, CD-ROM, scale 1:250,000.

Lithology: Major:{granite}

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]

Ordovician
443.8 - 485.4 Ma



ID: 3191587
Paleozoic sedimentary and volcanic rocks

Age: Ordovician (443.8 - 485.4 Ma)

Lithology: Sedimentary and volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

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


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