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Esquire No. 7 claim, Big Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California, USA

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Mineralization is barium silicates formed in quartz-sanbornite rock by contact metamorphism of a migmatite adjoining Cretaceous granodorite pluton.



References:
Mineralogical Record (2002): 33: 161.





 Map Reference: 36°55'0"N , 119°14'42"W

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Group 2 - Sulphides and Sulfosalts
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Galena2.CD.10
    PbS
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
    Group 4 - Oxides and Hydroxides
  		• Quartz4.DA.05
    SiO
     
    2
  		• Uraninite4.DL.05
    UO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Witherite5.AB.15
    BaCO
     
    3
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Powellite7.GA.05
    Ca[MoO
     
    4
    		]
  		• Scheelite7.GA.05
    Ca[WO
     
    4
    		]
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Alforsite (TL)8.BN.05
    Ba
     
    5
    		[Cl|(PO
     
    4
    		)
     
    3
    		]
  		• Apatite-(CaF)8.BN.05
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Group 9 - Silicates
  		• Anandite9.EC.35
    (Ba,K)(Fe
    2+
     
    		,Mg)
     
    3
    		[(O,OH)
     
    2
    		|(Si,Al,Fe)
     
    4
    		O
     
    10
    		]
  		• Bazirite9.CA.05
    BaZr[Si
     
    3
    		O
     
    9
    		]
  		• Benitoite9.CA.05
    BaTi[Si
     
    3
    		O
     
    9
    		]
  		• Bigcreekite (TL)9.DF.30
    BaSi
     
    2
    		O
     
    5
    		·4H
     
    2
    		O
  		• Biotite9..
  		• Celsian9.FA.30
    Ba[Al
     
    2
    		Si
     
    2
    		O
     
    8
    		]
  		• Diopside9.DA.15
    CaMg[Si
     
    2
    		O
     
    6
    		]
  		• Fencooperite9.BH.20
    Ba
     
    6
    		Fe
    3+
    3
    		Si
     
    8
    		O
     
    23
    		(CO
     
    3
    		)
     
    2
    		Cl
     
    3
    		·H
     
    2
    		O
  		• Fresnoite (TL)9.BE.15
    Ba
     
    2
    		Ti[O|Si
     
    2
    		O
     
    7
    		]
  		• Gillespite9.EA.05
    BaFe
    2+
     
    		[Si
     
    4
    		O
     
    10
    		]
  		• Kampfite9.EG.20
    Ba
     
    12
    		(Si
     
    11
    		Al
     
    5
    		)O
     
    31
    		(CO
     
    3
    		)
     
    8
    		Cl
     
    5
  		• Macdonaldite (TL)9.EB.05
    BaCa
     
    4
    		Si
     
    16
    		O
     
    36
    		(OH)
     
    2
    		·10H
     
    2
    		O
  		• Muirite (TL)9.CN.05
    Ba
     
    10
    		Ca
     
    2
    		Mn
    2+
     
    		Ti[(OH,Cl,F)|HSi
     
    2
    		O
     
    7
    		]
     
    5
  		• Sanbornite9.EF.10
    Ba
     
    2
    		[Si
     
    4
    		O
     
    10
    		]
  		• Titantaramellite9.CE.20
    Ba
     
    4
    		(Ti,Fe
    3+
     
    		,Fe
    2+
     
    		,Mg)
     
    4
    		(B
     
    2
    		Si
     
    8
    		O
     
    27
    		)O
     
    2
    		Cl
     
    x
  		• Tobermorite9.DG.10
    Ca
     
    5
    		Si
     
    6
    		(O,OH)
     
    18
    		·5H
     
    2
    		O
  		• Traskite9.CP.05
    Ba
     
    21
    		Ca(Fe
    2+
     
    		,Mn,Ti)
     
    4
    		(Ti,Fe,Mg)
     
    12
    		(Si
     
    12
    		O
     
    36
    		)(Si
     
    2
    		O
     
    7
    		)
     
    6
    		(O,OH)
     
    30
    		Cl
     
    6
    		·14H
     
    2
    		O
  		• Tremolite9.DE.10
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Uvarovite9.AD.25
    Ca
     
    3
    		Cr
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Verplanckite (TL)9.CE.10
    Ba
     
    2
    		(Mn,Fe,Ti)Si
     
    2
    		O
     
    6
    		(O,OH,Cl,F)
     
    2
    		·3H
     
    2
    		O or near
  		• Walstromite (TL)9.CA.25
    BaCa
     
    2
    		[Si
     
    3
    		O
     
    9
    		]
  		• Wollastonite9.DG.05
    Ca[SiO
     
    3
    		]
    Unclassified Minerals
  		• 'Tourmaline'-


    37 entries listed. 35 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in California, 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: 9th Nov 2009 12:02:01