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Big Creek pegmatite District, Carbon County, Wyoming, USAi
Regional Level Types
Big Creek pegmatite DistrictMining District
Carbon CountyCounty
WyomingState
USACountry

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Latitude & Longitude:
41° North , 106° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~113km
Mindat Locality ID:
7144
Long-form identifier:
mindat:1:2:7144:7
GUID (UUID V4):
0


12 miles SE of Encampment via State 230 (T. 13 N., R. 78 W. and T. 13 N., R. 80-81 W.); columbite-bearing pegmatites scattered across the area.

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

24 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:

Albite
Formula: Na(AlSi3O8)
Description: Garnet (?almandine)
Albite var. Cleavelandite
Formula: Na(AlSi3O8)
'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Azurite
Formula: Cu3(CO3)2(OH)2
References:
Beryl
Formula: Be3Al2(Si6O18)
Description: Garnet (?almandine)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Description: Garnet (?almandine)
Bornite
Formula: Cu5FeS4
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Cheralite
Formula: CaTh(PO4)2
Description: Reportedly an alteration rind on Samarskite-Y.
'Cheralite-(Ce)'
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
'Columbite-(Fe)-Columbite-(Mn) Series'
Cuprite
Formula: Cu2O
References:
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
'Feldspar Group'
'Feldspar Group var. Perthite'
Fluorite
Formula: CaF2
Description: Garnet (?almandine)
'Garnet Group'
Formula: X3Z2(SiO4)3
Hematite
Formula: Fe2O3
Ilmenite
Formula: Fe2+TiO3
Description: Garnet (?almandine)
'Limonite'
Magnetite
Formula: Fe2+Fe3+2O4
Description: Garnet (?almandine)
Malachite
Formula: Cu2(CO3)(OH)2
Microcline
Formula: K(AlSi3O8)
Monazite-(Ce)
Formula: Ce(PO4)
References:
Joan Rosell-Riba (2025)Identified by Joan Rosell: SEM-EDS
'Monazite Group'
Formula: REE(PO4)
Description: Garnet (?almandine)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: Garnet (?almandine)
Native Copper
Formula: Cu
References:
Pyrolusite
Formula: Mn4+O2
Quartz
Formula: SiO2
Description: Garnet (?almandine)
Samarskite-(Y)
Formula: YFe3+Nb2O8
Description: Originally called Euxinite but Harris (2002) has re-evaluated these crystals and called them Samarskite-(Y) instead of Euxenite-(Y). The samples have been identified by EDS etc. as Samarskite-(Y) by Rasche and Jacobson (2023) The reddish-brown coating on the Samarskite has been identified in Mindat and E-rocks as Cheralite (Ca0.5Th0.5(PO4)).
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Garnet (?almandine)
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Pyrolusite4.DB.05Mn4+O2
Samarskite-(Y)4.DB.25YFe3+Nb2O8
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Cheralite8.AD.50CaTh(PO4)2
Group 9 - Silicates
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Beryl9.CJ.05Be3Al2(Si6O18)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Cheralite-(Ce)'-
'Feldspar Group'-
'Limonite'-
'Monazite Group'-REE(PO4)
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
'Feldspar Group
var. Perthite'
-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'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 AzuriteCu3(CO3)2(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 Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
H Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O AlbiteNa(AlSi3O8)
O AzuriteCu3(CO3)2(OH)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BerylBe3Al2(Si6O18)
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O CupriteCu2O
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O HematiteFe2O3
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MicroclineK(AlSi3O8)
O Monazite GroupREE(PO4)
O Monazite-(Ce)Ce(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O PyrolusiteMn4+O2
O QuartzSiO2
O Samarskite-(Y)YFe3+Nb2O8
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O CheraliteCaTh(PO4)2
O Albite var. CleavelanditeNa(AlSi3O8)
O Columbite-(Fe)-Columbite-(Mn) Series
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 FluoriteCaF2
NaSodium
Na AlbiteNa(AlSi3O8)
Na SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Na Albite var. CleavelanditeNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al BerylBe3Al2(Si6O18)
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Al Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si Albite var. CleavelanditeNa(AlSi3O8)
Si Garnet GroupX3Z2(SiO4)3
Si Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
P Monazite GroupREE(PO4)
P Monazite-(Ce)Ce(PO4)
P CheraliteCaTh(PO4)2
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S ChalcociteCu2S
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca FluoriteCaF2
Ca CheraliteCaTh(PO4)2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ti IlmeniteFe2+TiO3
MnManganese
Mn PyrolusiteMn4+O2
Mn Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Samarskite-(Y)YFe3+Nb2O8
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Fe Columbite-(Fe)-Columbite-(Mn) Series
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu CupriteCu2O
Cu Native CopperCu
Cu MalachiteCu2(CO3)(OH)2
YYttrium
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Samarskite-(Y)YFe3+Nb2O8
NbNiobium
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nb Samarskite-(Y)YFe3+Nb2O8
Nb Columbite-(Fe)-Columbite-(Mn) Series
CeCerium
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ce Monazite-(Ce)Ce(PO4)
TaTantalum
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Th CheraliteCaTh(PO4)2
UUranium
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

Localities in this Region

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