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Delmas Mine (Sweepstakes Mine; Delmas SW Mine; Como Mine), Nevada Bunker Hill Mines, Alladin group, Railroad Mining District, Elko County, Nevada, USAi
Regional Level Types
Delmas Mine (Sweepstakes Mine; Delmas SW Mine; Como Mine)Mine
Nevada Bunker Hill MinesGroup of Mines
Alladin group- not defined -
Railroad Mining DistrictMining District
Elko CountyCounty
NevadaState
USACountry

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Latitude & Longitude (WGS84):
40° 31' 0'' North , 116° 0' 52'' West
Latitude & Longitude (decimal):
40.51674,-116.01467
GeoHash:
G#: 9rjw2pben
GRN:
N28W63
Type:
Mine
KΓΆppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Carlin2,302 (2017)23.2km
Elko20,279 (2017)41.0km
Spring Creek12,361 (2011)43.0km
Osino709 (2011)55.0km
Mindat Locality ID:
41511
Long-form identifier:
mindat:1:2:41511:7
GUID (UUID V4):
590c4805-ef32-46d8-8668-95fdf6d3ff36


Part of the Alladin Group
Alteration: Silificion

Deposit: Tactite body at contact of granite porphyry with limestone also, some gold-bearing quartz veins. The delmas copper co., owner of several claims, developed their property by means of shallow pits and adits to explore the copper ore deposits in the tactite body which extends in a zone over 2000' long, and 125'-400' wide. Much of the early development was completed from 1906-1908. This activity resulted in the shipping of ore to the utah smelters. The sweepstakes claim is the most extensively explored. Ore shipped ran As high As 70 oz. Of silver, 10.4% copper, and 2.8% lead. The highest grade ore carries chalcocite coated sulphides ; info.src : 1 pub lit

Deposit type: Skarn Cu

Development: Early development took place 1906 to 1908, when ore was shipped to utah smelters

Geology: Some gold-bearing quartz veins occur in the granite porphyry

Ore(s): Intrusive Contact, Favorable Rocks

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


14 valid minerals.

Rock Types Recorded

Note: 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:

β“˜ Bornite
Formula: Cu5FeS4
β“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Copper
Formula: Cu
β“˜ 'Copper Stain'
References:
USGS Bull 1162B
β“˜ Diopside
Formula: CaMgSi2O6
β“˜ Galena
Formula: PbS
β“˜ 'Garnet Group'
Formula: X3Z2(SiO4)3
β“˜ Gold
Formula: Au
β“˜ 'Limonite'
β“˜ Pyrite
Formula: FeS2
β“˜ 'Pyroxene Group'
Formula: ADSi2O6
β“˜ Pyrrhotite
Formula: Fe1-xS
β“˜ Quartz
Formula: SiO2
β“˜ Sphalerite
Formula: ZnS
β“˜ Tenorite
Formula: CuO
β“˜ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
β“˜ 'Wad'
β“˜ Zoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
β“˜Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Bornite2.BA.15Cu5FeS4
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Pyrrhotite2.CC.10Fe1-xS
β“˜Galena2.CD.10PbS
β“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
β“˜Tenorite4.AB.10CuO
β“˜Quartz4.DA.05SiO2
Group 9 - Silicates
β“˜Zoisite9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
β“˜Diopside9.DA.15CaMgSi2O6
β“˜Tremolite9.DE.10β—»Ca2Mg5(Si8O22)(OH)2
Unclassified
β“˜'Limonite'-
β“˜'Wad'-
β“˜'Pyroxene Group'-ADSi2O6
β“˜'Garnet Group'-X3Z2(SiO4)3
β“˜'Copper Stain'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
OOxygen
Oβ“˜ DiopsideCaMgSi2O6
Oβ“˜ QuartzSiO2
Oβ“˜ TenoriteCuO
Oβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oβ“˜ Pyroxene GroupADSi2O6
Oβ“˜ Garnet GroupX3Z2(SiO4)3
MgMagnesium
Mgβ“˜ DiopsideCaMgSi2O6
Mgβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
SiSilicon
Siβ“˜ DiopsideCaMgSi2O6
Siβ“˜ QuartzSiO2
Siβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siβ“˜ Pyroxene GroupADSi2O6
Siβ“˜ Garnet GroupX3Z2(SiO4)3
SSulfur
Sβ“˜ BorniteCu5FeS4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ GalenaPbS
Sβ“˜ PyriteFeS2
Sβ“˜ PyrrhotiteFe1-xS
Sβ“˜ SphaleriteZnS
CaCalcium
Caβ“˜ DiopsideCaMgSi2O6
Caβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
FeIron
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ PyriteFeS2
Feβ“˜ PyrrhotiteFe1-xS
CuCopper
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ CopperCu
Cuβ“˜ TenoriteCuO
ZnZinc
Znβ“˜ SphaleriteZnS
AuGold
Auβ“˜ GoldAu
PbLead
Pbβ“˜ GalenaPbS

Other Databases

Link to USGS MRDS:10045587

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Emmons, W. H., (1910), a Reconnassance of Some Mining Camps in Elko, Lander and Eurelsa Counties, Nevada: USGS Bulletin 408
Smith, R. M., Mineral Resources of Elko County, Nevada, USGS Open File Report (1976)-56
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