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Alaska Mine (Alaska Yukon Mine), Cochetopa Mining District (Cochetopa Creek Mining District), Saguache County, Colorado, USAi
Regional Level Types
Alaska Mine (Alaska Yukon Mine)Mine
Cochetopa Mining District (Cochetopa Creek Mining District)Mining District
Saguache CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
38° 23' 52'' North , 106° 44' 57'' West
Latitude & Longitude (decimal):
38.39778,-106.74917
GeoHash:
G#: 9wu46y5ek
GRN:
N26W61
Type:
Mine
KΓΆppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Gunnison6,076 (2018)22.5km
Crested Butte1,579 (2017)56.4km
Mindat Locality ID:
118437
Long-form identifier:
mindat:1:2:118437:5
GUID (UUID V4):
6f132744-7046-4617-b4f3-692db095ce3f


REF:Deposit:: OLSON, J.C., 1976, GEOLOGIC MAP OF THE HOUSTON GULCH QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1287
Deposit:: BLM MINERAL SURVEY MS 7175
Deposit:: COLO. DIV. MINES INSPECTOR'S REPT. 7/11/47
Commodities (Major) - Zinc, Copper, Silver; (Trace) - Lead, Gold
Development Status: Past Producer
Host Rock Unit: Early Intermediate-Composition Flows And Breccias
Structure: San Juan Volcanic Field; Gunnison Uplift, Cochetopa Dome; Razor Creek Dome; Los Ochos Fault
Host Rock: Schist
Tectonic Structure: Central Cordillera (Southern Rocky Mtns); Colorado Platform

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


8 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“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Covellite
Formula: CuS
β“˜ Galena
Formula: PbS
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Sphalerite
Formula: ZnS
β“˜ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Covellite2.CA.05aCuS
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Galena2.CD.10PbS
β“˜Pyrite2.EB.05aFeS2
β“˜'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
Group 9 - Silicates
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
OOxygen
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
AlAluminium
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ CovelliteCuS
Sβ“˜ GalenaPbS
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
Sβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
FeIron
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ CovelliteCuS
Cuβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znβ“˜ SphaleriteZnS
SbAntimony
Sbβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
PbLead
Pbβ“˜ GalenaPbS

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate
USA

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

P. A. Drobeck, (1981) Proterozoic syngenetic massive sulfide deposits in the Gunnison gold belt, Colorado. in 32nd Field Conference New Mexico Geological Society, pp. 279-286.
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