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Iron Mountain Kimberlite District, Laramie County, Wyoming, USAi
Regional Level Types
Iron Mountain Kimberlite DistrictMining District
Laramie CountyCounty
WyomingState
USACountry

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Latitude & Longitude (WGS84):
41° 38' 26'' North , 105° 15' 3'' West
Latitude & Longitude (decimal):
41.64056,-105.25109
GeoHash:
G#: 9xmhuuqmz
GRN:
N28W57
Type:
Mining District
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Mindat Locality ID:
7291
Long-form identifier:
mindat:1:2:7291:8
GUID (UUID V4):
0


6 miles NW of State 211 at Iron Mt (T. 19 N., R. 70 W.) An area of 3x5 miles.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 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:

ⓘ Anatase
Formula: TiO2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Calcite
Formula: CaCO3
ⓘ Diamond
Formula: C
ⓘ Diopside
Formula: CaMgSi2O6
Description: Chromian
ⓘ Diopside var. Chromium-bearing Diopside
Formula: Ca(Mg,Cr)Si2O6
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Hematite
Formula: Fe2O3
ⓘ Ilmenite
Formula: Fe2+TiO3
Description: Magnesian ilmenite
ⓘ Ilmenite var. Picroilmenite
Formula: (Fe2+,Mg)TiO3
ⓘ Kassite
Formula: CaTi2O4(OH)2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘ Perovskite
Formula: CaTiO3
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ Pyrope
Formula: Mg3Al2(SiO4)3
Description: In kimberlite
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Ulvöspinel
Formula: TiFe2+2O4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘDiamond1.CB.10aC
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘUlvöspinel4.BB.05TiFe2+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘvar. Picroilmenite4.CB.05(Fe2+,Mg)TiO3
ⓘPerovskite4.CC.30CaTiO3
ⓘAnatase4.DD.05TiO2
ⓘKassite4.DH.10CaTi2O4(OH)2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘDiopside
var. Chromium-bearing Diopside		9.DA.15Ca(Mg,Cr)Si2O6
ⓘ9.DA.15CaMgSi2O6
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘMontmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Unclassified
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ KassiteCaTi2O4(OH)2
Hⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DiamondC
OOxygen
Oⓘ AnataseTiO2
Oⓘ CalciteCaCO3
Oⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ KassiteCaTi2O4(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oⓘ PerovskiteCaTiO3
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ UlvöspinelTiFe22+O4
Oⓘ Ilmenite var. Picroilmenite(Fe2+,Mg)TiO3
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mgⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ PyropeMg3Al2(SiO4)3
Mgⓘ Ilmenite var. Picroilmenite(Fe2+,Mg)TiO3
AlAluminium
Alⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ PyropeMg3Al2(SiO4)3
SiSilicon
Siⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Caⓘ DiopsideCaMgSi2O6
Caⓘ KassiteCaTi2O4(OH)2
Caⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Caⓘ PerovskiteCaTiO3
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ KassiteCaTi2O4(OH)2
Tiⓘ PerovskiteCaTiO3
Tiⓘ UlvöspinelTiFe22+O4
Tiⓘ Ilmenite var. Picroilmenite(Fe2+,Mg)TiO3
CrChromium
Crⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
FeIron
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ UlvöspinelTiFe22+O4
Feⓘ Ilmenite var. Picroilmenite(Fe2+,Mg)TiO3

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

Rocks & Minerals (2001): 76: 387.
Coopersmith, H. G., Mitchell, R. H., & Hausel, W. D. (2003, June). Kimberlites and lamproites of Colorado and Wyoming, USA. In Guidebook for the VIIIth International Kimberlite Conference, Colorado and Wyoming Field Trip (Vol. 32).
Martins, T., Chakhmouradian, A.R., and Medici, L. (2014) Perovskite alteration in kimberlites and carbonatites: the role of kassite, CaTi^2O^4(OH)^2. Physics and Chemistry of Minerals, 41, 473–484.
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