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Ross Mine (Highland lode; John Ross Mine), Berne, Custer District, Custer Co., South Dakota, USA

Ref.: Rocks & Min.: 60: 113; Rocks & Min.: 75(3): 156-169; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 32 (Table A-1).

A pegmatite mine located in the NE¼ sec. 30, T.3S., R.4E., near Berne, near Custer. A mine on the "Highland lode."

Mineralization is an oval, zoned pegmatite body concordant in quartz-mica schist.

Workings include a large open pit, an incline with raise, a tunnel, and small pits.





Map Reference: 43°46'0"N , 103°40'41"W

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Mineral List:
  • Albite
    Na[AlSi
     
    3
    O
     
    8
    ]
    Reference: [R&M 75:3 pp 156-169]
  • 'Allanite'
    Reference: [R&M 75:3 pp 156-169]
  • Alluaudite
    (Na,Ca)Mn
    2+
     
    (Fe
    3+
     
    ,Mn
    2+
     
    ,Fe
    2+
     
    ,Mg)
     
    2
    (PO
     
    4
    )
     
    3
    Reference: [R&M 75:3 pp 156-169]
  • Apatite-(CaF)
    Ca
     
    5
    [F|(PO
     
    4
    )
     
    3
    ]
    Reference: [R&M 75:3 pp 156-169]
  • Arsenopyrite
    FeAsS - (Fe
     
    0.90
    Co
     
    0.10
    )AsS
    Reference: [R&M 75:3 pp 156-169]
  • Autunite
    Ca(UO
     
    2
    )
     
    2
    (PO
     
    4
    )
     
    2
    ·11H
     
    2
    O
    Reference: [R&M 75:3 pp 156-169]
  • Beryl
    Be
     
    3
    Al
     
    2
    Si
     
    6
    O
     
    18
    Reference: [R&M 75:3 pp 156-169; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 32 (Table A-1).]
  • Bismuth
    Bi
    Reference: [R&M 75:3 pp 156-169]
  • Cassiterite
    SnO
     
    2
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  • 'Columbite-Tantalite'
    Reference: [R&M 75:3 pp 156-169; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 32 (Table A-1).]
  • 'Davidite'
    Reference: [R&M 75:3 pp 156-169]
  • 'Garnet Group'
    X
     
    3
    Z
     
    2
    (TO
     
    4
    )
     
    3
    (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Reference: [Rocks & Min.: 60: 113.]
  • Graftonite
    (Fe
    2+
     
    ,Mn
    2+
     
    ,Ca)
     
    3
    [PO
     
    4
    ]
     
    2
    Reference: [R&M 75:3 pp 156-169]
    Site Photo
    Ross Mine (Highland lode; John Ross Mine), Berne, Custer District, Custer Co., South Dakota, USA
     
  • 'Gummite'
    Reference: [R&M 75:3 pp 156-169]
  • Hureaulite
    (Mn,Fe)
     
    5
    (PO
     
    3
    OH)
     
    2
    (PO
     
    4
    )
     
    2
    ·4H
     
    2
    O
    Reference: [R&M 75:3 pp 156-169]
  • Lithiophilite
    LiMn
    2+
     
    [PO
     
    4
    ]
    Reference: [R&M 75:3 pp 156-169]
  • Löllingite
    FeAs
     
    2
    Reference: [R&M 75:3 pp 156-169]
  • Microcline
    K[AlSi
     
    3
    O
     
    8
    ]
    Reference: [R&M 75:3 pp 156-169]
  • Montebrasite
    LiAl[(OH,F)|PO
     
    4
    ]
    Reference: [R&M 75:3 pp 156-169]
  • Muscovite
    KAl
     
    2
    [(OH)
     
    2
    |AlSi
     
    3
    O
     
    10
    ]
    Reference: [R&M 75:3 pp 156-169]
  • Phosphosiderite
    FePO
     
    4
    ·2H
     
    2
    O
    Reference: [R&M 75:3 pp 156-169]
  • Purpurite
    (Mn
    3+
     
    ,Fe
    3+
     
    )[PO
     
    4
    ]
    Reference: [R&M 75:3 pp 156-169]
    Site Photo
    Ross Mine (Highland lode; John Ross Mine), Berne, Custer District, Custer Co., South Dakota, USA
    © 2002 John H. Betts
  • Pyrite
    FeS
     
    2
    Reference: [R&M 75:3 pp 156-169]
  • Pyrrhotite
    Fe
     
    7
    S
     
    8
    , (-4M), also given as Fe
     
    1-x
    S (x = 0 - 0.2)
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  • Quartz
    SiO
     
    2
    Reference: [R&M 75:3 pp 156-169]
  • Schorl
    [Na][Fe
    2+
    3
    ][Al
     
    6
    ][(OH)
     
    3
    |OH|(BO
     
    3
    )
     
    3
    |Si
     
    6
    O
     
    18
    ]
    Reference: [R&M 75:3 pp 156-169]
  • Sicklerite
    (LiMn
    2+
     
    ,Fe
    3+
     
    )[PO
     
    4
    ]
    Reference: [Rocks & Minerals: 75(3): 156-169.]
  • Spessartine
    Mn
    2+
    3
    Al
     
    2
    [SiO
     
    4
    ]
     
    3
    Reference: [SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"]
  • Torbernite
    Cu(UO
     
    2
    )
     
    2
    (PO
     
    4
    )
     
    2
    ·12H
     
    2
    O
    Reference: [R&M 75:3 pp 156-169]
  • Triphylite
    LiFe
    2+
     
    [PO
     
    4
    ]
    Reference: [R&M 75:3 pp 156-169]
  • Triploidite
    (Mn
    2+
     
    ,Fe
    2+
     
    )
     
    2
    [OH|PO
     
    4
    ]
    Reference: [R&M 75:3 pp 156-169]
  • Uraninite
    UO
     
    2
    Reference: [R&M 75:3 pp 156-169]
  • Uranophane
    Ca(UO
     
    2
    )
     
    2
    [HSiO
     
    4
    ]
     
    2
    · 5H
     
    2
    O
    Reference: [R&M 75:3 pp 156-169]
  • Vivianite
    Fe
    2+
    3
    (PO
     
    4
    )
     
    2
    ·8H
     
    2
    O
    Reference: [R&M 75:3 pp 156-169]
  • Zircon
    Zr[SiO
     
    4
    ]
    Reference: [R&M 75:3 pp 156-169]


    35 entries listed. 30 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in South Dakota, 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: 8th Nov 2009 23:40:12