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Cargo Muchacho Mts, Imperial Co., California, USA
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Detailed Mineral List:
Almandine
Formula: Fe2+3Al2(SiO4)3
Locality: Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Photo: © Van King. Almandine from Bluebird Kyanite Mine, Vitrefrax Hill, Obregon, Cargo Muchacho District, Cargo Muchacho Mts, Imperial Co., California, USA
Andalusite
Formula: Al2(SiO4)O
Localities: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Photo: © WWB. Andalusite from American Girl Mine, Obregon, Cargo Muchacho District, Cargo Muchacho Mts, Imperial Co., California, USA
Arsenopyrite
Formula: FeAsS
Locality: Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Azurite
Formula: Cu3(CO3)2(OH)2
Localities: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Coffee Pot Mine (Coffee Pot prospect; Coffee; Coffey), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Baryte
Formula: BaSO4
Locality: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Baryte var: Strontian Baryte
Locality: Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
'Biotite'
Localities: Morning Star prospect (Butterfly group), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Bornite
Formula: Cu5FeS4
Locality: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Calcite
Formula: CaCO3
Locality: American Boy Mine, Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Reference: [MinRec 2:225]
Localities: Recorded from at least 2 other localities in this region.
Chalcocite
Formula: Cu2S
Locality: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Chalcopyrite
Formula: CuFeS2
Localities: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Blossom Mine (Blossom shaft; Salamanca Consolidated Mine; Valencia No. 2 shaft; Valencia shaft), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O (x < 1)
Locality: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Copper
Formula: Cu
Locality: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Covellite
Formula: CuS
Locality: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Cuprite
Formula: Cu2O
Localities: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Coffee Pot Mine (Coffee Pot prospect; Coffee; Coffey), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
Locality: Dumortierite occurrences, Ogilby, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Photo: Dumortierite from Ogilby, Cargo Muchacho District, Cargo Muchacho Mts, Imperial Co., California, USA
Fluorapatite
Formula: Ca5(PO4)3F
Locality: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Gold
Formula: Au
Localities: Reported from at least 16 localities in this region.
Hematite
Formula: Fe2O3
Locality: Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Localities: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
American Boy Mine, Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Kyanite
Formula: Al2(SiO4)O
Localities: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Western Non-Metallic Mine (Western Non-Metallic Company Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Photo: Kyanite from Bluebird Kyanite Mine, Vitrefrax Hill, Obregon, Cargo Muchacho District, Cargo Muchacho Mts, Imperial Co., California, USA
Lazulite
Formula: (Mg,Fe2+)Al2(PO4)2(OH)2
Locality: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
'Limonite'
Formula: FeO(OH) · nH2O
Locality: Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Photo: © WWB. Limonite from Bluebird Kyanite Mine, Vitrefrax Hill, Obregon, Cargo Muchacho District, Cargo Muchacho Mts, Imperial Co., California, USA
Magnetite
Formula: Fe2+Fe3+2O4
Locality: Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Malachite
Formula: Cu2(CO3)(OH)2
Localities: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Coffee Pot Mine (Coffee Pot prospect; Coffee; Coffey), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Mottramite
Formula: PbCu(VO4)(OH)
Locality: American Boy Mine, Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Muscovite var: Sericite
Localities: Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Western Non-Metallic Mine (Western Non-Metallic Company Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Pyrite
Formula: FeS2
Localities: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Blossom Mine (Blossom shaft; Salamanca Consolidated Mine; Valencia No. 2 shaft; Valencia shaft), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Pyrophyllite
Formula: Al2(Si4O10)(OH)2
Localities: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Ogilby, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Photo: © . Pyrophyllite from Ogilby, Cargo Muchacho District, Cargo Muchacho Mts, Imperial Co., California, USA
Quartz
Formula: SiO2
Localities: Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
American Boy Mine, Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Quartz var: Agate
Formula: SiO2
Reference: Pabian Agate Lexicon database
Quartz var: Jasper
Reference: Pabian Agate Lexicon database
Rutile
Formula: TiO2
Localities: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Scheelite
Formula: Ca(WO4)
Locality: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Locality: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Scorzalite
Formula: Fe2+Al2(PO4)2(OH)2
Localities: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Silver
Formula: Ag
Localities: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Brown vein, American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Sphalerite
Formula: ZnS
Locality: American Girl Mine (Cargo Mine; Cargo Muchacho Mine), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Staurolite
Formula: (Fe2+,Mg,Zn)1.5-2Al9(SiO4)4O6(OH,O)2
Locality: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Svanbergite
Formula: SrAl3(PO4)(SO4)(OH)6
Localities: Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Tenorite
Formula: CuO
Locality: Coffee Pot Mine (Coffee Pot prospect; Coffee; Coffey), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Locality: Bluebird Kyanite Mine (Vitrefax Mine; Bluebird Mine; Ogilby Kyanite deposit), Vitrefrax Hill (Bluebird Hill), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA


43 entries listed. 36 valid minerals.

References

Henshaw, Paul Carrington (1942), Geology and mineral resources of the Cargo Muchacho Mountains, Imperial County, California: California Division Mines Report 38: 147-196.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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