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Black Cloud Mine (Black Cloud pegmatite; Spillman Prospect), Teller Co., Colorado, USA

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Key
Lock Map
Latitude & Longitude (WGS84): 38° 56' 17'' North , 105° 12' 47'' West
Latitude & Longitude (decimal): 38.93833,-105.21333
GeoHash:G#: 9wvjtb9bp
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


A pegmatite mine located in the NE¼ NE¼ sec. 9, T.13S., R.70W.

Mineralization is a zoned pegmatite body in granite. Core zone: quartz; outer zone: quartz-feldspar-fluorite.

Workings include a large open cut with 2 benches.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels from this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org.

Black Cloud Mine, Teller Co., Colorado, USA

Regions containing this locality

Rocky Mountains, North America

Mountain Range - 2,029 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


24 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Rocks & Minerals: 63: 457.
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: Rocks & Minerals: 63: 457.
'Apatite'
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
Bastnäsite-(Ce)
Formula: Ce(CO3)F
Reference: Rocks & Minerals: 63: 457.
Bertrandite
Formula: Be4(Si2O7)(OH)2
Reference: American Mineralogist (1982): 67: 184.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
'Biotite'
Reference: Minerals of Colorado (1997) Eckel, E. B.
Cassiterite
Formula: SnO2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Cerianite-(Ce)
Formula: (Ce4+,Th)O2
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Chlorite Group'
Reference: American Mineralogist (1982): 67: 184.
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
'Fergusonite'
Reference: American Mineralogist (1984): 67: 184.
Fluocerite-(Ce)
Formula: (Ce,La)F3
Reference: Rocks & Minerals: 63: 457.
Fluorite
Formula: CaF2
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1); Rocks & Min.: 63:457.
'Gadolinite'
Reference: American Mineralogist (1982): 67: 184.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: American Mineralogist (1982): 67: 184.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: American Mineralogist (1982): 67: 184.
Microcline
Formula: K(AlSi3O8)
Reference: Rocks & Minerals: 63: 457.
Microlite Group
Formula: A2-mTa2X6-wZ-n
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
'Monazite'
Reference: American Mineralogist (1982): 67: 184.
Monazite-(Ce)
Formula: Ce(PO4)
Reference: Minerals of Colorado (1997) Eckel, E. B.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: American Mineralogist (1982): 67: 184.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: American Mineralogist (1982): 67: 184.
Opal
Formula: SiO2 · nH2O
Reference: American Mineralogist (1982): 67: 184.
Pyrochlore Group
Formula: A2Nb2(O,OH)6Z
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
Quartz
Formula: SiO2
Reference: Rocks & Minerals: 63: 457.
Samarskite-(Y)
Formula: (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
Synchysite-(Y)
Formula: CaY(CO3)2F
Reference: Minerals of Colorado (1997) E.B. Eckel
'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1).
Thorite
Formula: Th(SiO4)
Reference: Rocks & Minerals: 63: 457.
Törnebohmite-(Ce)
Formula: (Ce,La)2Al(SiO4)2(OH)
Reference: Rocks & Minerals: 63: 457.
'Wad'
Reference: American Mineralogist (1982): 67: 184.
Xenotime-(Y)
Formula: Y(PO4)
Reference: American Mineralogist (1982): 67: 184.
Yttrotantalite-(Y)
Formula: (Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
Reference: Seaman (1976) Pegmatite Minerals of the World.
Zircon
Formula: Zr(SiO4)
Reference: Rocks & Minerals: 63: 457.

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
'Fluocerite-(Ce)'3.AC.15(Ce,La)F3
'Fluorite'3.AB.25CaF2
Group 4 - Oxides and Hydroxides
'Cassiterite'4.DB.05SnO2
'Cerianite-(Ce)'4.DL.05(Ce4+,Th)O2
'Microlite Group'4.00.A2-mTa2X6-wZ-n
'Opal'4.DA.10SiO2 · nH2O
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
'Quartz'4.DA.05SiO2
'Samarskite-(Y)'4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Yttrotantalite-(Y)4.DG.10(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
Group 5 - Nitrates and Carbonates
'Bastnäsite-(Ce)'5.BD.20aCe(CO3)F
Synchysite-(Y)5.BD.20cCaY(CO3)2F
Group 8 - Phosphates, Arsenates and Vanadates
'Monazite-(Ce)'8.AD.50Ce(PO4)
Xenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
'Allanite-(Ce)'9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
'Bertrandite'9.BD.05Be4(Si2O7)(OH)2
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Kaolinite'9.ED.05Al2(Si2O5)(OH)4
'Microcline'9.FA.30K(AlSi3O8)
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Thorite9.AD.30Th(SiO4)
Törnebohmite-(Ce)9.AG.45(Ce,La)2Al(SiO4)2(OH)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Fergusonite'-
'Gadolinite'-
'Limonite'-(Fe,O,OH,H2O)
'Monazite'-
Tantalite-(Mn,Fe)(Ta,Nb)2O6
Wad-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Cerianite-(Ce)4.4.12.1(Ce4+,Th)O2
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Samarskite-(Y)8.1.11.1(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Yttrotantalite-(Y)8.1.3.1(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
A2B2O6(O,OH,F)
Microlite Group8.2.2.1A2-mTa2X6-wZ-n
Pyrochlore Group8.2.1.1A2Nb2(O,OH)6Z
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
AX3
Fluocerite-(Ce)9.3.4.1(Ce,La)F3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Bastnäsite-(Ce)16a.1.1.1Ce(CO3)F
Synchysite-(Y)16a.1.3.2CaY(CO3)2F
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Thorite51.5.2.3Th(SiO4)
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Törnebohmite-(Ce)52.4.5.1(Ce,La)2Al(SiO4)2(OH)
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Bertrandite56.1.1.1Be4(Si2O7)(OH)2
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Allanite-(Ce)58.2.1a.1{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Fergusonite'-
'Gadolinite'-
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
'Monazite'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
'Wad'-
Xenotime-(Y)-Y(PO4)

List of minerals for each chemical element

HHydrogen
H Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
H BertranditeBe4(Si2O7)(OH)2
H KaoliniteAl2(Si2O5)(OH)4
H Limonite(Fe,O,OH,H2O)
H MuscoviteKAl2(AlSi3O10)(OH)2
H OpalSiO2 · nH2O
H Pyrochlore GroupA2Nb2(O,OH)6Z
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
H Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
BeBeryllium
Be BertranditeBe4(Si2O7)(OH)2
Be BerylBe3Al2(Si6O18)
CCarbon
C Bastnäsite-(Ce)Ce(CO3)F
C Synchysite-(Y)CaY(CO3)2F
OOxygen
O AlbiteNa(AlSi3O8)
O Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
O Bastnäsite-(Ce)Ce(CO3)F
O BertranditeBe4(Si2O7)(OH)2
O BerylBe3Al2(Si6O18)
O CassiteriteSnO2
O Cerianite-(Ce)(Ce4+,Th)O2
O KaoliniteAl2(Si2O5)(OH)4
O Limonite(Fe,O,OH,H2O)
O MicroclineK(AlSi3O8)
O Monazite-(Ce)Ce(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O OpalSiO2 · nH2O
O Pyrochlore GroupA2Nb2(O,OH)6Z
O QuartzSiO2
O Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O Synchysite-(Y)CaY(CO3)2F
O Tantalite(Mn,Fe)(Ta,Nb)2O6
O ThoriteTh(SiO4)
O Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
O Xenotime-(Y)Y(PO4)
O Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
O ZirconZr(SiO4)
FFluorine
F Bastnäsite-(Ce)Ce(CO3)F
F Fluocerite-(Ce)(Ce,La)F3
F FluoriteCaF2
F Synchysite-(Y)CaY(CO3)2F
NaSodium
Na AlbiteNa(AlSi3O8)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Al BerylBe3Al2(Si6O18)
Al KaoliniteAl2(Si2O5)(OH)4
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Si BertranditeBe4(Si2O7)(OH)2
Si BerylBe3Al2(Si6O18)
Si KaoliniteAl2(Si2O5)(OH)4
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OpalSiO2 · nH2O
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si ThoriteTh(SiO4)
Si Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
Si ZirconZr(SiO4)
PPhosphorus
P Monazite-(Ce)Ce(PO4)
P Xenotime-(Y)Y(PO4)
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Ca FluoriteCaF2
Ca Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Ca Synchysite-(Y)CaY(CO3)2F
MnManganese
Mn Tantalite(Mn,Fe)(Ta,Nb)2O6
FeIron
Fe Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Fe Limonite(Fe,O,OH,H2O)
Fe Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Fe Tantalite(Mn,Fe)(Ta,Nb)2O6
Fe Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
YYttrium
Y Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Y Synchysite-(Y)CaY(CO3)2F
Y Xenotime-(Y)Y(PO4)
Y Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
Nb Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Nb Tantalite(Mn,Fe)(Ta,Nb)2O6
Nb Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
SnTin
Sn CassiteriteSnO2
LaLanthanum
La Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
CeCerium
Ce Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Ce Bastnäsite-(Ce)Ce(CO3)F
Ce Cerianite-(Ce)(Ce4+,Th)O2
Ce Fluocerite-(Ce)(Ce,La)F3
Ce Monazite-(Ce)Ce(PO4)
Ce Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
TaTantalum
Ta Microlite GroupA2-mTa2X6-wZ-n
Ta Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Ta Tantalite(Mn,Fe)(Ta,Nb)2O6
Ta Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
ThThorium
Th Cerianite-(Ce)(Ce4+,Th)O2
Th Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Th ThoriteTh(SiO4)
UUranium
U Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
U Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Mesoproterozoic
1000 - 1600 Ma



ID: 2975257
Rocks of Pikes Peak Batholith (1000-m.y. age group)

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Pikes Peak Granite; Mount Rosa Granite; Windy Point Granite; Redskin Granite

Description: Includes Pikes Peak, Mount Rosa, Windy Point, and Redskin Granites and unnamed rocks

Lithology: Major:{granite,alkali feldspar granite}, Minor:{quartz monzonite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Paleoproterozoic
1600 - 2500 Ma



ID: 3186950
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Meeves, H.C., Harrer, C.M., Salsbury, M.H., Konselman, A.S., and Shannon, S.S., Jr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. United States Bureau of Mines Information Circular 8298: 31 (Table A-1).
Rocks & Minerals: 63: 457.


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