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Emma Mine (Emma tunnel; Alta United Mines Company), Little Cottonwood District (Alta District), Wasatch Mts, Salt Lake Co., Utah, USA

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Ref.: Dana 6:548,1092; Dana 7:I:332,596.
Replacement deposit in limestone





 Map Reference: 40°35'33"N , 111°37'52"W

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Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [Dana 7:I:332.]
  		•  Anglesite
    PbSO
     
    4
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Cerussite
    PbCO
     
    3
    Reference: [Dana 7:I:596; Dana 6:548,1092.]
  		•  Cervantite
    Sb
    3+
     
    		Sb
    5+
     
    		O
     
    4
    Reference: [Dana 7:I:596; Dana 6:548,1092.]
  		•  Chrysocolla
    (Cu,Al)
     
    2
    		H
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·nH
     
    2
    		O
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Galena
    PbS
    Reference: [Dana 7:I:332.]
  		•  Hemimorphite
    Zn
     
    4
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    Reference: [Dana 7:I:596; Dana 6:548,1092.]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Massicot
    PbO
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Pyrite
    FeS
     
    2
    Reference: [Dana 7:I:332.]
  		•  Pyrolusite
    MnO
     
    2
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Quartz
    SiO
     
    2
    Reference: [Dana 7:I:332.]
  		•  Siderite
    FeCO
     
    3
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Smithsonite
    ZnCO
     
    3
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Dana 7:I:332.]
  		•  Stephanite
    Ag
     
    5
    		SbS
     
    4
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Stolzite
    Pb[WO
     
    4
    		]
    Reference: [UGMS Bull 117 Minerals and Mineral Localities of Utah]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [Dana 7:I:332.]
  		•  Tungstenite (TL)
    WS
     
    2
    Type Locality: Emma Mine (Emma tunnel; Alta United Mines Company), Little Cottonwood District (Alta District), Wasatch Mts, Salt Lake Co., Utah, USA
    Description: A mixture of Tungstenite-2h and 3R.
    Reference: [J.Wash.Acad.Sci.(1917) 7, 596-602; Am. Min. 3 (1918), 30; Dana 7:I:332.]
    Site Photo
    Emma Mine (Emma tunnel; Alta United Mines Company), Little Cottonwood District (Alta District), Wasatch Mts, Salt Lake Co., Utah, USA
    © Brent Thorne 2008
  		•  Wolframite
    (Fe
    2+
     
    		)WO
     
    4
     
     
    		to (Mn
    2+
     
    		)WO
     
    4
    Reference: [Dana 7:I:332.]
  		•  Wulfenite
    Pb[MoO
     
    4
    		]
    Reference: [Dana 7:I:596; Dana 6:548,1092.]


    23 entries listed. 21 valid minerals. 1 type locality (valid mineral).

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