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Prairie Divide Mining District (St. Cloud Mining District), Larimer County, Colorado, USAi
Regional Level Types
Prairie Divide Mining District (St. Cloud Mining District)Mining District
Larimer CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
40° North , 105° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~72km
GRN:
N28W57
Type:
Mining District
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Mindat Locality ID:
134138
Long-form identifier:
mindat:1:2:134138:9
GUID (UUID V4):
0


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

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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

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Coffinite
Formula: U(SiO4) · nH2O
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ Cummingtonite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Marcasite
Formula: FeS2
ⓘ Molybdenite
Formula: MoS2
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
ⓘ Topaz
Formula: Al2(SiO4)(F,OH)2
ⓘ Uraninite
Formula: UO2
ⓘ Uraninite var. Pitchblende
Formula: UO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘUraninite
var. Pitchblende		4.DL.05UO2
ⓘ4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘSiderite5.AB.05FeCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
Group 9 - Silicates
ⓘCoffinite9.AD.30U(SiO4) · nH2O
ⓘTopaz9.AF.35Al2(SiO4)(F,OH)2
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘCummingtonite9.DE.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Unclassified
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ CoffiniteU(SiO4) · nH2O
Hⓘ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ GoethiteFe3+O(OH)
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ TopazAl2(SiO4)(F,OH)2
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ CoffiniteU(SiO4) · nH2O
Oⓘ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GoethiteFe3+O(OH)
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Monazite GroupREE(PO4)
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ Uraninite var. PitchblendeUO2
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
Oⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Oⓘ TopazAl2(SiO4)(F,OH)2
Oⓘ UraniniteUO2
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ FluoriteCaF2
Fⓘ TopazAl2(SiO4)(F,OH)2
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ TopazAl2(SiO4)(F,OH)2
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ CoffiniteU(SiO4) · nH2O
Siⓘ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TopazAl2(SiO4)(F,OH)2
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
PPhosphorus
Pⓘ Monazite GroupREE(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ MarcasiteFeS2
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
MnManganese
Mnⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ SideriteFeCO3
Feⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
NbNiobium
Nbⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
MoMolybdenum
Moⓘ MolybdeniteMoS2
TaTantalum
Taⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
PbLead
Pbⓘ GalenaPbS
UUranium
Uⓘ CoffiniteU(SiO4) · nH2O
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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