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Minneapolis adit, J-M Reef (Howland Reef), Stillwater Complex, Stillwater Co., Montana, USA

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References:
Barnes, S.J. and Naldrett, A.J. (1985) Geochemistry of the J-M (Howland) Reef of the Stillwater complex, Minneapolis Adit area. I. Sulfide chemistry and sulfide-olivine equilibrium. Economic Geology: 80: 627-645.
Econ Geol (1986) 81:1187-1195





Mineral List:
  		•  'Albite-Anorthite Series'
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  'Apatite'
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Arsenopalladinite
    Pd
     
    8
    		(As,Sb)
     
    3
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  Atokite
    (Pd,Pt)
     
    3
    		Sn
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  Braggite
    (Pt,Pd,Ni)S
    Reference: []
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Econ Geol (1986) 81:1187-1195]
  		•  'Chlorite Group'
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Cooperite
    (Pt,Pd,Ni)S
    Reference: []
  		•  Gold
    var: Palladian Gold
    (Au,Pd)
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  'Hornblende'
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Keithconnite
    Pd
     
    3-x
    		Te (x = 0.14 - 0.43)
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Moncheite
    (Pt,Pd)(Te,Bi)
     
    2
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Econ Geol (1986) 81:1187-1195]
  		•  Palarstanide
    Pd
     
    8
    		(As,Sn)
     
    3
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  Pentlandite
    (Fe,Ni)
     
    9
    		S
     
    8
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Econ Geol (1986) 81:1187-1195]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Plumbopalladinite
    Pd
     
    3
    		Pb
     
    2
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  Potarite
    PdHg
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  Pyrite
    FeS
     
    2
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  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.; Econ Geol (1986) 81:1187-1195]
  		•  'Serpentine Group'
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Telluropalladinite
    Pd
     
    9
    		Te
     
    4
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.]
  		•  Vysotskite
    (Pd,Ni)S
    Reference: []
  		•  Zvyagintsevite
    (Pd,Pt,Au)
     
    3
    		(Pb,Sn)
    Reference: [www.cannonmicroprobe.com/Mineral_Specimens.htm]


    27 entries listed. 20 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Montana, 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: 28th Nov 2009 00:46:50