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Porphyry tunnel, Spruce Mountain Mining District, Elko County, Nevada, USAi
Regional Level Types
Porphyry tunnelTunnel
Spruce Mountain Mining DistrictMining District
Elko CountyCounty
NevadaState
USACountry

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Latitude & Longitude (WGS84):
40° 34' 5'' North , 114° 48' 32'' West
Latitude & Longitude (decimal):
40.56825,-114.80894
GeoHash:
G#: 9rnqg3nxj
GRN:
N28W63
Type:
Tunnel
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Mindat Locality ID:
41634
Long-form identifier:
mindat:1:2:41634:7
GUID (UUID V4):
0


Structure: Sprucemont Thrust

Alteration: Some Silication, Kaolinization

Deposit: The porphyry tunnel is driven in a northerly direction into the granite porphyry outcropping on the north slope of black forest canyon, belo W the black forest mine. The adit was driven to explore the area for mineral potential, especially in the area of the e.w. Trending sprucemont thrust fault. The property is part of the black forest mine property. ; info.src : 1 pub lit fault zone in granite porphyry; 30-ft. Wide skarn. Lead, silver, copper mineralization

Geology: Skarn developed 30 ft wide in the adit

Ore(s): E-W Thrust Fault

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


3 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ KaoliniteAl2(Si2O5)(OH)4
OOxygen
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ QuartzSiO2
AlAluminium
Alⓘ KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ QuartzSiO2
SSulfur
Sⓘ PyriteFeS2
FeIron
Feⓘ PyriteFeS2

Other Databases

Link to USGS MRDS:10046042

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

Schrader, F.C., (1931), Spruce Mountain District, Elko County U. of N. Bull., Vol XXV, No. 7
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