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Hard-to-Find Mine, Copper Valley Mining District, Churchill County, Nevada, USAi
Regional Level Types
Hard-to-Find MineMine
Copper Valley Mining DistrictMining District
Churchill CountyCounty
NevadaState
USACountry

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Latitude & Longitude (WGS84):
39° 59' 19'' North , 118° 49' 23'' West
Latitude & Longitude (decimal):
39.98869,-118.82322
GRN:
N27W66
Type:
Mine
Köppen climate type:
BWk : Cold desert climate
Nearest Settlements:
PlacePopulationDistance
Lovelock1,878 (2017)36.5km
Wadsworth834 (2011)55.8km
Fernley19,418 (2017)55.9km
Mindat Locality ID:
60964
Long-form identifier:
mindat:1:2:60964:6
GUID (UUID V4):
0
Other/historical names associated with this locality:
NBMG Sample Site 2996; Hard to Find Mine


Located 0.5 miles SE of Copper Queen,

Deposit: Shear zone cuts garnet skarn. East (footwall) side of zone is white crystalline marble; the west (hanging wall) side of the zone is tactite. Pods of massive white quartz occur along the shear zone; quartz contains clots of red-brown and cinnamon brown gossan. Some quartz on the dump contains disseminated pyrite. There are pieces of granodiorite on the dump - there may be a contact cut by underground workings; model name could also be: Cu skarn.

Deposit type: W skarn.
Ore(s): Contact Between marble & granodiorite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘTenorite4.AB.10CuO
ⓘQuartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Copper Stain'-

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OOxygen
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ TenoriteCuO
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ QuartzSiO2
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Garnet GroupX3Z2(SiO4)3
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ ScheeliteCa(WO4)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ TenoriteCuO
WTungsten
Wⓘ ScheeliteCa(WO4)

Other Databases

GeoNames ID:5505264
Link to USGS MRDS:10043746

Other Regions, Features and Areas containing this locality

North AmericaContinent
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

Willden, Ronald, and Speed, R.C., (1974), Geology and Mineral Deposits of Churchill County, Nevada: NBMG. Bull 83
Tingley, J. V., (1985), NBMG Field Examination, 4/16/85.
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