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Montana Mountains deposit, Disaster District, Montana Mts, Humboldt Co., Nevada, USAi
Regional Level Types
Montana Mountains depositDeposit
Disaster DistrictMining District
Montana MtsMountain Range
Humboldt Co.County
NevadaState
USACountry

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Key
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Latitude & Longitude (WGS84): 41° 45' 43'' North , 118° 6' 32'' West
Latitude & Longitude (decimal): 41.76210,-118.10905
GeoHash:G#: 9rkj86e9g
USGS MRDS Record:10096953
Locality type:Deposit
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Orovada155 (2011)34.3km
McDermitt172 (2011)41.6km


Alteration: Hydrothermal

Tectonics: Basin And Range

Deposit: Deposit formed from hydrothermal alteration of volcanic moat sediments. The deposit is bedded and interstratified in, and mixed with, volcaniclastic sediments.

Development: Active exploration and drilling in 1985.

Geology: Hot springs in area.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


4 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Hectorite
Formula: Na0.3(Mg,Li)3(Si4O10)(F,OH)2
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz var: Chalcedony
Formula: SiO2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 9 - Silicates
Analcime9.GB.05Na(AlSi2O6) · H2O
Hectorite9.EC.45Na0.3(Mg,Li)3(Si4O10)(F,OH)2
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 clays
Hectorite71.3.1b.4Na0.3(Mg,Li)3(Si4O10)(F,OH)2
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Unclassified Minerals, Mixtures, etc.
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
H AnalcimeNa(AlSi2O6) · H2O
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
LiLithium
Li HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
OOxygen
O HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
O AnalcimeNa(AlSi2O6) · H2O
O Quartz (var: Chalcedony)SiO2
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O QuartzSiO2
FFluorine
F HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
NaSodium
Na HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
Na AnalcimeNa(AlSi2O6) · H2O
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
SiSilicon
Si HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
Si AnalcimeNa(AlSi2O6) · H2O
Si Quartz (var: Chalcedony)SiO2
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si QuartzSiO2
CaCalcium
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

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

Neogene
2.588 - 23.03 Ma



ID: 3186305
Cenozoic volcanic rocks

Age: Neogene (2.588 - 23.03 Ma)

Stratigraphic Name: Columbia River Basalt

Comments: Columbia Plateau

Lithology: Flood basalt(s); mafic volcanic rocks; basalt

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]

Miocene
5.333 - 23.03 Ma



ID: 2859756
Younger silicic ash flow tuffs

Age: Miocene (5.333 - 23.03 Ma)

Stratigraphic Name: Timber Mountain Tuff; Paintbrush Tuff; Crater Flat Tuff; Belted Range Tuff

Description: Includes units mapped as the High Rock sequence on the Washoe North map; the Timber Mountain, Paintbrush, Crater Flat, and Belted Range Tuffs, and Indian Trail Formation (now abandoned) on the Nye South map; the Thirsty Canyon Tuff on the Nye South and Esmeralda maps; and other unnamed units. Locally it includes tuffaceous sedimentary rocks interstratified with tuffs. It is present in the northernmost part and southernmost parts of the State, and is not exposed in the central region. It corresponds to unit Tt3 on the 1978 State map, although a few rocks also mapped as Trt on the 1978 State map also are included. It is present in Clark, Churchill, Washoe, Nye, Lincoln, Lyon, Douglas, Carson, Esmeralda, Elko, Humboldt, Pershing, and Mineral Counties.

Comments: Original map source: Crafford, A.E.J., 2007, Geologic Map of Nevada: U.S. Geological Survey Data Series 249, 1 CD-ROM, 46 p., 1 plate; Scale 1:250,000.

Lithology: Major:{volcanic}, Minor:{sedimentary}

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 Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lowe, N.T., Raney, R.G., and Norberg, J.R., (1985), Principal Deposits of Strategic and Critical Minerals in Nevada: U.S. Bureau of Mines Information Circular 9035, 202 P.
Odom, I.E., (1992), Hectorite Deposits in the Mcdermitt Caldera of Nevada: Littleton, Colorado, Society for Mining, Metallurgy, and Exploration, Inc. Preprint 92-155, 12 P.


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