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Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA

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Detailed Mineral List:
Albite
Formula: NaAlSi3O8
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: Albite from Bluebird Kyanite Mine, Vitrefrax Hill, Obregon, Cargo Muchacho District, Cargo Muchacho Mts, Imperial Co., California, USA
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
Reference: Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 240; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 86.
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
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
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: Ca2Ca3(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.
Photo: © Jerry A. Baird. Gold from American Boy Mine, Obregon, Cargo Muchacho District, Cargo Muchacho Mts, Imperial Co., California, USA
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
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


42 entries listed. 37 valid minerals.

References

Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 240.

Tucker, W. Burling (1926), Imperial, Inyo Counties: California Mining Bureau. Report 22: 252.

Tucker, W. Burling & Reid J. Sampson (1940), Current mining activity in southern California: California Division Mines Report 36: 16, 17.

Henshaw, Paul Carrington (1942), Geology and mineral resources of the Cargo Muchacho Mountains, Imperial County, California: California Division Mines Report 38: 185.

Sampson, Reid J. & W. Burling Tucker (1942), Mineral resources of Imperial County: California Mining Bureau. Report 38: 115, 125.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 86, 93, 129, 132, 157, 161, 216, 544.

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