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Beartown Mining District (Bear Creek Mining District), San Juan County, Colorado, USAi
Regional Level Types
Beartown Mining District (Bear Creek Mining District)Mining District
San Juan CountyCounty
ColoradoState
USACountry

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PhotosMapsSearch
01750020016178133943229.jpg
Sphalerite, etc.

Summit Mine, Beartown Mining District, San Juan County, Colorado, USA
01750020016178133943229.jpg
Sphalerite, etc.

Summit Mine, Beartown Mining District, San Juan County, Colorado, USA
01750020016178133943229.jpg
Sphalerite, etc.

Summit Mine, Beartown Mining District, San Juan County, Colorado, USA
Latitude & Longitude (WGS84):
37° 43' 22'' North , 107° 30' 9'' West
Latitude & Longitude (decimal):
37.72278,-107.50250
GeoHash:
G#: 9wew9epp4
GRN:
N26W61
Locality type:
Mining District
KΓΆppen climate type:
Dfc : Subarctic climate


Anaconda; MS 12152; Gold Bug; MS 11691a; Gold Bug Mill Site; MS 11691b; Little Giant; MS 9145; Eclipse; MS 15263; Repeal; MS 11691a; Ferris Heretofore Ptarmigan; MS 8705; Patented Claims: Good Hope; MS 7764; Bonita; MS 11327; Wonder; MS 7764; Scott; MS 1

Commodities (Major) - Gold, Silver; (Minor) - Copper, Lead; (Trace) - Antimony, Tellurium, Zinc
Deposit Type: Vein
Development Status: Past Producer
Deposit Model: 84: Alakaline Au-Te (Au-Ag-Te veins)
Host Rock Unit: Irving Formation, Trimble Granite
Structure: San Juan Uplift, San Juan Volcanic Field, San Juan Uplift, Unnamed Faults, San Juan Caldera, Unnamed Folds
Host Rock: Quartzite, Slate, Gneiss, Schist, Argillite
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

20 valid minerals.

Rock Types Recorded

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

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ Alunite
Formula: KAl3(SO4)2(OH)6
Reference: Minerals of Colorado (1997) Eckels, E. B.
β“˜ Baryte
Formula: BaSO4
Localities: Reported from at least 10 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Bornite
Formula: Cu5FeS4
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Calaverite
Formula: AuTe2
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Calcite
Formula: CaCO3
Localities: Reported from at least 10 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Chalcocite
Formula: Cu2S
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ 'Chlorite Group'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Enargite
Formula: Cu3AsS4
Reference: Minerals of Colorado (1997) Eckel, E. B.
β“˜ Galena
Formula: PbS
Localities: Reported from at least 10 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Hematite
Formula: Fe2O3
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ 'Limonite'
Localities: Reported from at least 10 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Marcasite
Formula: FeS2
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Petzite
Formula: Ag3AuTe2
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Pyrite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Quartz
Formula: SiO2
Localities: Reported from at least 10 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Siderite
Formula: FeCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
trans.png
Sphalerite, etc.

Summit Mine, Beartown Mining District, San Juan County, Colorado, USA
β“˜ Sphalerite
Formula: ZnS
Localities: Reported from at least 10 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Sylvanite
Formula: AgAuTe4
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Localities: Reported from at least 9 localities in this region.
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Bornite2.BA.15Cu5FeS4
β“˜Calaverite2.EA.10AuTe2
β“˜Chalcocite2.BA.05Cu2S
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Enargite2.KA.05Cu3AsS4
β“˜Galena2.CD.10PbS
β“˜Marcasite2.EB.10aFeS2
β“˜Petzite2.BA.75Ag3AuTe2
β“˜Pyrite2.EB.05aFeS2
β“˜Sphalerite2.CB.05aZnS
β“˜Sylvanite2.EA.05AgAuTe4
β“˜'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
β“˜Hematite4.CB.05Fe2O3
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Alunite7.BC.10KAl3(SO4)2(OH)6
β“˜Baryte7.AD.35BaSO4
Group 9 - Silicates
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
β“˜Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 Β· 8H2O
Unclassified Minerals, Rocks, etc.
β“˜'Chlorite Group'-
β“˜'Limonite'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
Hβ“˜ AluniteKAl3(SO4)2(OH)6
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ SideriteFeCO3
OOxygen
Oβ“˜ HematiteFe2O3
Oβ“˜ CalciteCaCO3
Oβ“˜ QuartzSiO2
Oβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
Oβ“˜ BaryteBaSO4
Oβ“˜ SideriteFeCO3
Oβ“˜ AluniteKAl3(SO4)2(OH)6
MgMagnesium
Mgβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
AlAluminium
Alβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
Alβ“˜ AluniteKAl3(SO4)2(OH)6
SiSilicon
Siβ“˜ QuartzSiO2
Siβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
SSulfur
Sβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ SphaleriteZnS
Sβ“˜ BorniteCu5FeS4
Sβ“˜ GalenaPbS
Sβ“˜ MarcasiteFeS2
Sβ“˜ BaryteBaSO4
Sβ“˜ PyriteFeS2
Sβ“˜ EnargiteCu3AsS4
Sβ“˜ AluniteKAl3(SO4)2(OH)6
KPotassium
Kβ“˜ AluniteKAl3(SO4)2(OH)6
CaCalcium
Caβ“˜ CalciteCaCO3
FeIron
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ BorniteCu5FeS4
Feβ“˜ MarcasiteFeS2
Feβ“˜ HematiteFe2O3
Feβ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ SideriteFeCO3
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ EnargiteCu3AsS4
ZnZinc
Znβ“˜ SphaleriteZnS
AsArsenic
Asβ“˜ EnargiteCu3AsS4
AgSilver
Agβ“˜ SylvaniteAgAuTe4
Agβ“˜ PetziteAg3AuTe2
SbAntimony
Sbβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Teβ“˜ SylvaniteAgAuTe4
Teβ“˜ CalaveriteAuTe2
Teβ“˜ PetziteAg3AuTe2
BaBarium
Baβ“˜ BaryteBaSO4
AuGold
Auβ“˜ SylvaniteAgAuTe4
Auβ“˜ CalaveriteAuTe2
Auβ“˜ PetziteAg3AuTe2
PbLead
Pbβ“˜ GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 67-71, 89-90.
PROSSER, W.C., 1911, THE BEAR CREEK SYLVANITE CAMP, COLORADO: ENG. MINING JOUR., V. 91. 712.

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