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Goldfield-Belmont Mine, Goldfield, Goldfield District, Esmeralda Co., Nevada, USA

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Latitude & Longitude (WGS84): 37° 45' 21'' North , 117° 11' 38'' West
Latitude & Longitude (decimal): 37.75606,-117.19397
GeoHash:G#: 9qswv1mby
Locality type:Mine
Köppen climate type:BWk : Cold desert climate


Structure: Faults

Alteration: Silicification, Pyritization, Kaolinization.

Deposit type: Epithermal quartz-alunite Au

Ore(s): Fissuring, Brecciation In Sheeted Zone

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


8 valid minerals.

Detailed Mineral List:

'commodity:Antimony'
Formula: Sb
Reference:  
'commodity:Copper'
Formula: Cu
Reference:  
Famatinite
Formula: Cu3SbS4
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Gold'
Formula: Au
Reference:  
Gypsum
Formula: CaSO4 · 2H2O
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Krennerite ?
Formula: Au3AgTe8
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrite
Formula: FeS2
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Sphalerite
Formula: ZnS
Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Tellurite
Formula: TeO2
Reference: NBMG Spec Pub 31 Minerals of Nevada
'commodity:Tellurium'
Formula: Te
Reference:  
'commodity:Zinc'
Formula: Zn
Reference:  

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Famatinite'2.KA.10Cu3SbS4
'Krennerite' ?2.EA.15Au3AgTe8
'Pyrite'2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Tellurite4.DE.20TeO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Gypsum'7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
'Kaolinite'9.ED.05Al2(Si2O5)(OH)4
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Krennerite ?2.12.13.1Au3AgTe8
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 4
Famatinite3.2.2.2Cu3SbS4
Group 4 - SIMPLE OXIDES
AX2
Tellurite4.4.6.1TeO2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
Kaolinite-Al2(Si2O5)(OH)4
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
H KaoliniteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
OOxygen
O GypsumCaSO4 · 2H2O
O KaoliniteAl2(Si2O5)(OH)4
O MuscoviteKAl2(AlSi3O10)(OH)2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O TelluriteTeO2
AlAluminium
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SSulfur
S FamatiniteCu3SbS4
S GypsumCaSO4 · 2H2O
S PyriteFeS2
S SphaleriteZnS
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca GypsumCaSO4 · 2H2O
FeIron
Fe PyriteFeS2
CuCopper
Cu FamatiniteCu3SbS4
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag KrenneriteAu3AgTe8
SbAntimony
Sb FamatiniteCu3SbS4
TeTellurium
Te KrenneriteAu3AgTe8
Te TelluriteTeO2
AuGold
Au KrenneriteAu3AgTe8

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]

Early Miocene - Oligocene
15.97 - 33.9 Ma



ID: 2731449
Intermediate andesite and intermediate flows and breccias

Age: Cenozoic (15.97 - 33.9 Ma)

Stratigraphic Name: Mizpah Trachyte; South Willow Formation; Milltown Andesite

Description: Andesite flows and breccias and other related rocks of intermediate composition such as dacite, rhyodacite, quartz latite, and biotite-hornblende porphyries. This unit includes units mapped as the South Willow Formation on the Washoe North map, the Milltown Andesite on the Nye South and Esmeralda County maps, the Mizpah Trachyte on the Nye North map, and other units. It corresponds to unit Ta2 on the 1978 State map. It crops out in all counties except Clark, Eureka, Lyon, Douglas, and Carson.

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:{andesite,dacite,quartz latite}, Minor:{trachyte}

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

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Nevada Bureau of Mines and Geology, Minerals of Nevada, Special Publication 31.


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