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Grand Island, Caribou Mining District, Boulder County, Colorado, USAi
Regional Level Types
Grand IslandIsland
Caribou Mining DistrictMining District
Boulder CountyCounty
ColoradoState
USACountry

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PhotosMapsSearchMineralogy
02380430017272011465430.jpg
Caribou Vein workings

Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
03251810017272088964965.jpg
Remnants of Caribou, Colorado, 4 July 2020

Caribou Mine, Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
02184770017272088976582.jpg
Caribou Mine tailings, 4 July 2020

Caribou Mine, Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
02380430017272011465430.jpg
Caribou Vein workings

Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
07440170017272022368502.jpg
Remnants of Caribou, Colorado, 4 July 2020

Caribou Mine, Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
07542490017272022428473.jpg
Caribou Mine tailings, 4 July 2020

Caribou Mine, Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
02380430017272011465430.jpg
Caribou Vein workings

Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
02881760017272022591023.jpg
Remnants of Caribou, Colorado, 4 July 2020

Caribou Mine, Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
Latitude & Longitude (WGS84):
39° 58' 12'' North , 105° 36' 11'' West
Latitude & Longitude (decimal):
39.97013,-105.60330
GRN:
N27W59
Type:
Island
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
278552
Long-form identifier:
mindat:1:2:278552:6
GUID (UUID V4):
0


No description has been added for this locality. Can you add one?

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

31 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Acanthite
Formula: Ag2S
Description: Argentite was reported by Endlich (1878) and Wright (1954). Supergene acanthite with covellite was observed in small fractures and vugs at the Caribou mine by Francis (1987). Raines (1992) discussed the mineralogy at Caribou.
ⓘ Altaite
Formula: PbTe
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chlorargyrite
Formula: AgCl
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Coloradoite
Formula: HgTe
ⓘ Covellite
Formula: CuS
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Galena
Formula: PbS
ⓘ Gersdorffite
Formula: NiAsS
ⓘ Jalpaite
Formula: Ag3CuS2
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Melonite
Formula: NiTe2
ⓘ Native Gold
Formula: Au
ⓘ Native Silver
Formula: Ag
ⓘ Pearceite
Formula: [Ag6As2S7][Ag9CuS4]
ⓘ Petzite
Formula: Ag3AuTe2
ⓘ Polybasite
Formula: [Ag6Sb2S7][Ag9CuS4]
ⓘ Proustite
Formula: Ag3AsS3
ⓘ Pyrargyrite
Formula: Ag3SbS3
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Stephanite
Formula: Ag5SbS4
ⓘ Stromeyerite
Formula: AgCuS
ⓘ Sylvanite
Formula: AgAuTe4
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ Uraninite
Formula: UO2
ⓘ Uraninite var. Pitchblende
Formula: UO2

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
ⓘAcanthite2.BA.35Ag2S
ⓘStromeyerite2.BA.40AgCuS
ⓘJalpaite2.BA.45Ag3CuS2
ⓘPetzite2.BA.75Ag3AuTe2
ⓘCovellite2.CA.05aCuS
ⓘColoradoite2.CB.05aHgTe
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘAltaite2.CD.10PbTe
ⓘGalena2.CD.10PbS
ⓘSylvanite2.EA.05AgAuTe4
ⓘMelonite2.EA.20NiTe2
ⓘPyrite2.EB.05aFeS2
ⓘGersdorffite2.EB.25NiAsS
ⓘProustite2.GA.05Ag3AsS3
ⓘPyrargyrite2.GA.05Ag3SbS3
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘStephanite2.GB.10Ag5SbS4
ⓘPearceite2.GB.15[Ag6As2S7][Ag9CuS4]
ⓘPolybasite2.GB.15[Ag6Sb2S7][Ag9CuS4]
Group 3 - Halides
ⓘChlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘUraninite
var. Pitchblende		4.DL.05UO2
ⓘ4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘCerussite5.AB.15PbCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ MalachiteCu2(CO3)(OH)2
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ DolomiteCaMg(CO3)2
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ Uraninite var. PitchblendeUO2
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
Oⓘ UraniniteUO2
MgMagnesium
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ DolomiteCaMg(CO3)2
SiSilicon
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ QuartzSiO2
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ ChalcopyriteCuFeS2
Sⓘ CovelliteCuS
Sⓘ GalenaPbS
Sⓘ GersdorffiteNiAsS
Sⓘ JalpaiteAg3CuS2
Sⓘ Pearceite[Ag6As2S7][Ag9CuS4]
Sⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Sⓘ ProustiteAg3AsS3
Sⓘ PyrargyriteAg3SbS3
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ StephaniteAg5SbS4
Sⓘ StromeyeriteAgCuS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Clⓘ ChlorargyriteAgCl
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
NiNickel
Niⓘ GersdorffiteNiAsS
Niⓘ MeloniteNiTe2
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ JalpaiteAg3CuS2
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Pearceite[Ag6As2S7][Ag9CuS4]
Cuⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Cuⓘ StromeyeriteAgCuS
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ GersdorffiteNiAsS
Asⓘ Pearceite[Ag6As2S7][Ag9CuS4]
Asⓘ ProustiteAg3AsS3
AgSilver
Agⓘ AcanthiteAg2S
Agⓘ ChlorargyriteAgCl
Agⓘ JalpaiteAg3CuS2
Agⓘ Pearceite[Ag6As2S7][Ag9CuS4]
Agⓘ PetziteAg3AuTe2
Agⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Agⓘ ProustiteAg3AsS3
Agⓘ PyrargyriteAg3SbS3
Agⓘ Native SilverAg
Agⓘ StephaniteAg5SbS4
Agⓘ StromeyeriteAgCuS
Agⓘ SylvaniteAgAuTe4
SbAntimony
Sbⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Sbⓘ PyrargyriteAg3SbS3
Sbⓘ StephaniteAg5SbS4
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Teⓘ AltaitePbTe
Teⓘ ColoradoiteHgTe
Teⓘ MeloniteNiTe2
Teⓘ PetziteAg3AuTe2
Teⓘ SylvaniteAgAuTe4
AuGold
Auⓘ Native GoldAu
Auⓘ PetziteAg3AuTe2
Auⓘ SylvaniteAgAuTe4
HgMercury
Hgⓘ ColoradoiteHgTe
PbLead
Pbⓘ AltaitePbTe
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
UUranium
Uⓘ Uraninite var. PitchblendeUO2
Uⓘ UraniniteUO2

Localities in this Region

USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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