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Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA

StandardDetailedBy ChemistryMineral Photos (25)MapsNearest LocalitiesSearch GoogleMineral Report for Region

REF:Deposit:: TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP I-857-F.
Deposit:: FINLAY, G.I., 1916, DESCRIPTION OF THE COLORADO SPRINGS QUADRANGLE: USGS FOLIO 20
REF: Eugene Gross, E. Wm. Heinrich (1966) PETROLOGY AND MINERALOGY OF THE MOUNT ROSA AREA, EL PASO AND TELLER COUNTIES, COLORADO. II. PEGMATITES
THE AMERICAN MINERALOGIST, VOL. 51, MARCH-APRIL, 1966 pp. 299-323

Commodities (Major) - Zinc, Silver, Lead, Fluorine-Fluorite, Gold; (Minor) - Gemstone, Thorium, REE; (Trace) - Uranium, Tin, Titanium - Metal, Beryllium, Niobium (Columbium)
Development Status: Producer
Host Rock Unit: Mt Rosa Granite, Pikes Peak Granite
Structure: Mt Rosa Intrusive Center, Ute Pass Fault, Manitou Park Half Graben, Emerald Valley Fault, Front Range Uplift, Pikes Peak Batholith
Host Rock: Granite
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)





 Map Reference: 38°44'51"N , 104°54'40"W

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

Group 1 - Elements
  		• Gold1.AA.05
    Au
    Group 2 - Sulphides and Sulfosalts
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Galena2.CD.10
    PbS
  		• Löllingite2.EB.15a
    FeAs
     
    2
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
    Group 3 - Halides
  		• Cryolite3.CB.15
    Na
     
    3
    		[AlF
     
    6
    		]
  		• Elpasolite (TL)3.CB.15
    NaK
     
    2
    		[AlF
     
    6
    		]
  		• Fluocerite-(Ce)3.AC.15
    (Ce,La)F
     
    3
  		• Fluorite3.AB.25
    CaF
     
    2
      var: Yttrofluorite3.AB.25
    (Ca
     
    1-x
    		Y
     
    x
    		)F
     
    2+x
    		 where 0.05< x <0.3
  		• Gearksutite3.CC.05
    Ca[Al(F,OH)
     
    5
    		(H
     
    2
    		O)]
  		• Pachnolite3.CB.40
    NaCaAlF
     
    6
    		·H
     
    2
    		O
  		• Prosopite3.CD.10
    CaAl
     
    2
    		(F,OH)
     
    8
  		• Ralstonite3.CF.05
    NaMgAl(F,OH)
     
    6
    		·H
     
    2
    		O
  		• Thomsenolite3.CB.40
    NaCaAlF
     
    6
    		·H
     
    2
    		O
  		• Weberite3.CB.25
    Na
     
    2
    		Mg[F|AlF
     
    6
    		]
    Group 4 - Oxides and Hydroxides
  		• Anatase4.DD.05
    TiO
     
    2
  		• Cassiterite4.DB.05
    SnO
     
    2
  		• Cerianite-(Ce)4.DL.05
    (Ce
    4+
     
    		,Th)O
     
    2
  		• Coronadite4.DK.05
    Pb(Mn
    4+
     
    		,Mn
    3+
     
    		)
     
    8
    		O
     
    16
  		• Gibbsite4.FE.10
    Al(OH)
     
    3
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Massicot4.AC.25
    PbO
  		• Microlite4.DH.15
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
  		• Murataite-(Y) (TL)4.DF.15
    (Y,Na)
     
    6
    		Zn(Zn,Fe
    3+
     
    		)
     
    4
    		(Ti,Nb,Na)
     
    12
    		O
     
    29
    		(O,F,OH)
     
    10
    		F
     
    4
  		• Plattnerite4.DB.05
    PbO
     
    2
  		• Plumbopyrochlore4.DH.15
    (Pb,Ca,Y,U)
     
    2-x
    		(Nb,Ta,Ti)
     
    2
    		O
     
    6
    		(OH,O)
  		• Pyrochlore4.DH.15
    (Ca,Na)
     
    2
    		Nb
     
    2
    		O
     
    6
    		(OH,F)
  		• Quartz4.DA.05
    SiO
     
    2
      var: Smoky Quartz4.DA.05
    SiO
     
    2
  		• Rutile4.DB.05
    TiO
     
    2
      var: Ilmenorutile4.DB.05
    Fe
     
    x
    		(Nb,Ta)
     
    2x
    		·4Ti
     
    1-x
    		O
     
    2
  		• Senaite4.CC.40
    Pb(Ti,Fe,Mn)
     
    21
    		O
     
    38
  		• Uraninite4.DL.05
    UO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Bastnäsite-(Ce)5.BD.20a
    (Ce,La)[F|CO
     
    3
    		]
  		• Cerussite5.AB.15
    PbCO
     
    3
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Anglesite7.AD.35
    PbSO
     
    4
  		• Baryte7.AD.35
    BaSO
     
    4
  		• Wulfenite7.GA.05
    Pb[MoO
     
    4
    		]
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Monazite-(Ce)8.AD.50
    (Ce,La,Nd,Th)PO
     
    4
  		• Xenotime-(Y)8.AD.35
    YPO
     
    4
    Group 9 - Silicates
  		• Aegirine9.DA.25
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Arfvedsonite9.DE.25
    [Na][Na
     
    2
    		][Fe
    2+
    4
    		Fe
    3+
     
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Astrophyllite9.DC.05
    (K,Na)
     
    3
    		(Fe,Mn)
     
    7
    		Ti
     
    2
    		Si
     
    8
    		O
     
    24
    		(O,OH)
     
    7
  		• Bertrandite9.BD.05
    Be
     
    4
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Danalite9.FB.10
    Fe
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
  		• Fayalite9.AC.05
    Fe
    2+
    2
    		[SiO
     
    4
    		]
  		• Genthelvite (TL)9.FB.10
    Zn
     
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
  		• Kaolinite9.ED.05
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Kasolite9.AK.15
    Pb(UO
     
    2
    		)[SiO
     
    4
    		] · H
     
    2
    		O
  		• Laihunite9.AC.05
    Fe
    2+
     
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    2
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
      var: Amazonite9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Nacrite9.ED.05
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Orthoclase9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Riebeckite9.DE.25
    [ ][Na
     
    2
    		][Fe
    2+
    3
    		Fe
    3+
    2
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Thorite9.AD.30
    (Th,U)[SiO
     
    4
    		]
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Topaz9.AF.35
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
  		• Zircon9.AD.30
    Zr[SiO
     
    4
    		]
      var: Cyrtolite9.AD.30
    Zr[(SiO
     
    4
    		),(OH)
     
    4
    		]
    Unclassified Minerals
  		• 'Allanite'-
  		• 'Apatite'-
  		• 'Bastnäsite'-
  		• 'Chalcedony'-
  		• 'Chlorite Group'-
  		• Columbite-
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
  		• 'Fergusonite'-
  		• 'K Feldspar'-
  		• Lepidolite-
  		• 'Tourmaline'-
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z
  		• Wolframite-
    (Fe
    2+
     
    		)WO
     
    4
     
     
    		to (Mn
    2+
     
    		)WO
     
    4


    78 entries listed. 67 valid minerals.

    Localities in this Region:
    USA
     
    • Colorado
      • El Paso Co.
        • Cheyenne District (St. Peters Dome District)

    The above list 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!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Colorado, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 26th Nov 2009 02:08:52