Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Green Mountain Mine (Copper Boy Mine), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USAi
Regional Level Types
Green Mountain Mine (Copper Boy Mine)Mine
Grape Creek Mining District (Greenhorn Mining District)Mining District
Fremont CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
38° 22' 9'' North , 105° 23' 35'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Cañon City16,400 (2013)15.4km
Lincoln Park3,546 (2011)16.5km
Brookside246 (2017)18.3km
Rockvale498 (2017)20.0km
Williamsburg656 (2017)21.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Canon City Geology ClubCanon City, Colorado15km
Mindat Locality ID:
112993
Long-form identifier:
mindat:1:2:112993:2
GUID (UUID V4):
0


Development Status: Past Producer


Structure: Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field Slickensides Strike N 40 W; Green Mountain Fault (Trends Nw); Ilse Fault

Alteration: Altered Biotite Gneisses; Kaolinization

Tectonics: Central Cordillera (Southern Rocky Mountains)

Commodity: Locally rich zones 12% cu As malachite in place; phelps dodge reports 18% pb in area

Deposit: Copper staining along fractures and in localized gossan pockets discovery year: early 1900's

Deposit type: Stratabound Precambrian sulfide, Colorado and Wyoming

Development: Best potential appears to be near shaft 3 where assays averaged $198/ton

Rock formation(s): Granodiorite
Migmatitic Gneiss


Ore(s): Faults, Fault Intersections; Shear Zones

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


29 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:

'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
References:
Covellite
Formula: CuS
Cummingtonite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
Cuprite
Formula: Cu2O
Diopside
Formula: CaMgSi2O6
Gahnite
Formula: ZnAl2O4
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Gedrite
Formula: ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Hematite
Formula: Fe2O3
Hercynite
Formula: Fe2+Al2O4
'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Hydrozincite
Formula: Zn5(CO3)2(OH)6
Ilmenite
Formula: Fe2+TiO3
'K Feldspar'
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Molybdenite
Formula: MoS2
References:
Native Gold
Formula: Au
Native Silver
Formula: Ag
Pigeonite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Rutile
Formula: TiO2
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Sillimanite
Formula: Al2(SiO4)O
Sphalerite
Formula: ZnS
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Zircon
Formula: Zr(SiO4)

Gallery:

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
Covellite2.CA.05aCuS
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Galena2.CD.10PbS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Gahnite4.BB.05ZnAl2O4
Hercynite4.BB.05Fe2+Al2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Hydrozincite5.BA.15Zn5(CO3)2(OH)6
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)
Sillimanite9.AF.05Al2(SiO4)O
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Pigeonite9.DA.10(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside9.DA.15CaMgSi2O6
Anthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
Gedrite9.DD.05◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Cummingtonite9.DE.05◻{Mg2}{Mg5}(Si8O22)(OH)2
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'K Feldspar'-
'Garnet Group'-X3Z2(SiO4)3
'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
H Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
H Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
H HydrozinciteZn5(CO3)2(OH)6
H MalachiteCu2(CO3)(OH)2
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
H Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
H Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BBoron
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
C HydrozinciteZn5(CO3)2(OH)6
C MalachiteCu2(CO3)(OH)2
OOxygen
O Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
O CupriteCu2O
O DiopsideCaMgSi2O6
O GahniteZnAl2O4
O Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
O HematiteFe2O3
O HercyniteFe2+Al2O4
O HydrozinciteZn5(CO3)2(OH)6
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
O QuartzSiO2
O RutileTiO2
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O SillimaniteAl2(SiO4)O
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O ZirconZr(SiO4)
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Garnet GroupX3Z2(SiO4)3
O Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
Na SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mg DiopsideCaMgSi2O6
Mg Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Mg Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al GahniteZnAl2O4
Al Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Al HercyniteFe2+Al2O4
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Al SillimaniteAl2(SiO4)O
Al Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Si DiopsideCaMgSi2O6
Si Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Si Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si SillimaniteAl2(SiO4)O
Si ZirconZr(SiO4)
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Garnet GroupX3Z2(SiO4)3
Si Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
SSulfur
S ChalcopyriteCuFeS2
S CovelliteCuS
S GalenaPbS
S MolybdeniteMoS2
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
ClChlorine
Cl Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Ca DiopsideCaMgSi2O6
Ca Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe HematiteFe2O3
Fe HercyniteFe2+Al2O4
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CuCopper
Cu ChalcopyriteCuFeS2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu CovelliteCuS
Cu CupriteCu2O
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn GahniteZnAl2O4
Zn HydrozinciteZn5(CO3)2(OH)6
Zn SphaleriteZnS
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag Native SilverAg
AuGold
Au Native GoldAu
PbLead
Pb GalenaPbS

Other Databases

Link to USGS MRDS:10013371

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