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Caribou Mine (Caribou shaft), Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USAi
Regional Level Types
Caribou Mine (Caribou shaft)Mine
Caribou Mine groupGroup of Mines
Grand IslandIsland
Caribou Mining DistrictMining District
Boulder CountyCounty
ColoradoState
USACountry

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PhotosMapsSearchMineralogy
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
05406380017272022495937.jpg
Caribou Mine, 4 July 2020

Caribou Mine, 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
05406380017272022495937.jpg
Caribou Mine, 4 July 2020

Caribou Mine, 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
07542490017272022428473.jpg
Caribou Mine tailings, 4 July 2020

Caribou Mine, Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
Latitude & Longitude (WGS84):
39° 58' 51'' North , 105° 34' 59'' West
Latitude & Longitude (decimal):
39.98111,-105.58333
GRN:
N27W59
Type:
Mine
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Eldora142 (2011)4.0km
Nederland1,520 (2017)6.6km
Bonanza Mountain Estates128 (2011)8.8km
Rollinsville181 (2011)10.0km
Saint Anton Highlands288 (2016)10.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Flatirons Mineral ClubBoulder, Colorado27km
Mile High Rock and Mineral SocietyArvada, Colorado47km
Mindat Locality ID:
5993
Long-form identifier:
mindat:1:2:5993:3
GUID (UUID V4):
0


A Ag-Pb-Au-Zn-Cu-U-V occurrence/mine located near Nederland. Started 1869 and owned by Sam Conger.
Commodities (Major) - Zinc, Lead, Silver, Uranium
Deposit Type: Vein
Development Status: Occurrence
Host Rock: Metamorphic Rock, Monzonite

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


24 valid minerals.

Rock Types Recorded


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.
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chlorargyrite
Formula: AgCl
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Covellite
Formula: CuS
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Galena
Formula: PbS
References:
Rocks & Min.: 24:358.
Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census.
Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300
Foord, E. E.; Shawe, D. R. (1989) The Pb-Bi-Ag-Cu-(Hg) Chemistry Of Galena And Some Associated Sulfosalts: A Reviewand Some New Data From Colorado, California And Pennsylvania. The Canadian Mineralogist, 27 (3). 363-382
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Gersdorffite
Formula: NiAsS
ⓘ Jalpaite
Formula: Ag3CuS2
ⓘ Native Gold
Formula: Au
ⓘ Native Silver
Formula: Ag
ⓘ Pearceite
Formula: [Ag6As2S7][Ag9CuS4]
ⓘ 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
ⓘ '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
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘ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
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ ChrysotileMg3(Si2O5)(OH)4
CCarbon
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ DolomiteCaMg(CO3)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
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ JalpaiteAg3CuS2
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ⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Agⓘ ProustiteAg3AsS3
Agⓘ PyrargyriteAg3SbS3
Agⓘ Native SilverAg
Agⓘ StephaniteAg5SbS4
Agⓘ StromeyeriteAgCuS
SbAntimony
Sbⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Sbⓘ PyrargyriteAg3SbS3
Sbⓘ StephaniteAg5SbS4
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
UUranium
Uⓘ Uraninite var. PitchblendeUO2
Uⓘ UraniniteUO2

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

(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0080130014
Dana, Edward Salisbury; Dana, James Dwight (1892) A System of Mineralogy (6th ed.). John Wiley & Sons, Inc.
Rocks & Minerals (1949): 24: 159, 358.
Raines, Ed (1992) The Geology, Mineralogy, and History of Four: Native Silver Localities in Colorado. Rocks & Minerals, 67 (4) 230-254 doi:10.1080/00357529.1992.9926489
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
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