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Alpha Mine, Creede Mining District, Mineral Co., Colorado, USAi
Regional Level Types
Alpha MineMine
Creede Mining DistrictMining District
Mineral Co.County
ColoradoState
USACountry

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Key
Latitude & Longitude (WGS84):
37° 50' 42'' North , 106° 57' 45'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Creede405 (2011)3.2km
South Fork362 (2017)34.4km
Alpine174 (2011)37.1km
Lake City367 (2017)37.1km
Gerrard278 (2011)37.4km


REF:Deposit:: EMMONS, W.H., AND LARSEN, E.S. 1923, GEOLOGY AND ORE DEPOSITS OF THE CREEDE DISTRICT, COLORADO: USGS BULL. 718, 198 P.
Deposit:: STEVEN, T.A., AND RATTE, J.C., 1965, GEOLOGY AND STRUCTURAL CONTROL OF ORE DEPOSITION IN THE CREEDE DISTRICT, SAN
Commodities (Major) - Silver; (Trace) - Lead, Zinc, Antimony, Copper
Development Status: Past Producer
Host Rock Unit: Campbell Mtn Mbr Of Bachelor Mtn Rhyolite, Willow Cr Mbr Of Bachelor Mtn Rhyolite
Structure: Alpha-Corsair Fault; Creede Graben, San Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas
Host Rock: Rhyolite
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)

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


9 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Baryte
Formula: BaSO4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chalcanthite
Formula: CuSO4 · 5H2O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chlorargyrite
Formula: AgCl
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Limonite'
Formula: (Fe,O,OH,H2O)
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.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz var: Amethyst
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Silver
Formula: Ag
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Sphalerite
Formula: ZnS
Reference: Minerals of Colorado (1997) E.B. Eckel
Stephanite
Formula: Ag5SbS4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Stibnite
Formula: Sb2S3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Stephanite2.GB.10Ag5SbS4
Stibnite2.DB.05Sb2S3
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Chalcanthite7.CB.20CuSO4 · 5H2O
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 4
Stephanite3.2.4.1Ag5SbS4
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)
Quartz
var: Amethyst
-SiO2

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
H ChalcanthiteCuSO4 · 5H2O
OOxygen
O Limonite(Fe,O,OH,H2O)
O QuartzSiO2
O Quartz (var: Amethyst)SiO2
O ChalcanthiteCuSO4 · 5H2O
O BaryteBaSO4
SiSilicon
Si QuartzSiO2
Si Quartz (var: Amethyst)SiO2
SSulfur
S StibniteSb2S3
S PyriteFeS2
S StephaniteAg5SbS4
S ChalcanthiteCuSO4 · 5H2O
S BaryteBaSO4
S SphaleriteZnS
ClChlorine
Cl ChlorargyriteAgCl
FeIron
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
CuCopper
Cu ChalcanthiteCuSO4 · 5H2O
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag SilverAg
Ag ChlorargyriteAgCl
Ag StephaniteAg5SbS4
SbAntimony
Sb StibniteSb2S3
Sb StephaniteAg5SbS4
BaBarium
Ba BaryteBaSO4

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.
 
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