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Sompujärvi Reef, Penikat complex, Lapin (Lapland) Lääni, Finland

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Ref.: Halkoaho, T.A.A., Alapaieti, T.T., and Lahtinen, J.J. (1989a) The Sompujärvi PGE mineralization in the Penikat layered intrusion, Northern Finland. In Early Proterozoic layered intrusions in the northeastern part of the Fennoscandian Shield (T. Alapieti, Editor). Fifth International Platinum Symposium, Guide to the Post-Symposium Field Trip, Geol. Survey of Finland, Guide 29: 71-92.

Halkoaho, T.A.A., Alapaieti, T.T., and Lahtinen, J.J. (1989b) The Sompujärvi PGE mineralization in the Kirakkajuppura area. Descriptions of Post-Symposium Field Excursion Sites. Site 6. In Early Proterozoic Layered Intrusions in the Northeastern Part of the Fennoscandian Shield (T Alapieti, Editor). Fifth International Platinum Symposium, Guide to the Post-Smposium Field Trip, Geol. Survey of Finland, Guide 29: 212-216.

Halkoaho, T.A.A., Alapaieti, T.T., and Lahtinen, J.J. (1990) The Sompujärvi PGE Reef in the Penikat layered intrusion, northern Finland. Mineralogy and Petrology: 42: 39-55.

Halkoaho, T.A.A. (1993) The Sompujärvi and Ala-Penikka PGE reefs in the Penikat layered intrusion, northern Finland: implications for PGE reef-forming processes. Acta Univ. Oul. A249, University of Oulu, Oulu, Finland.

http://www.gsf.fi/explor/pgeweb/penikat/sompuj_pge_reef.htm

PGE deposit in the Penikat ultramafic complex.




Mineral list contains entries from the region specified including sub-localities

Group 1 - Elements
  		• Copper1.AA.05
    Cu
  		• Gold1.AA.05
    Au
      var: Electrum1.AA.05
    (Au, Ag)
  		• Silver1.AA.05
    Ag
  		• Zvyagintsevite1.AG.10
    (Pd,Pt,Au)
     
    3
    		(Pb,Sn)
    Group 2 - Sulphides and Sulfosalts
  		• Bornite2.BA.15
    Cu
     
    5
    		FeS
     
    4
  		• Braggite2.CC.35a
    (Pt,Pd,Ni)S
  		• Chalcocite2.BA.05
    Cu
     
    2
    		S
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Cuprorhodsite2.DA.05
    (Cu,Fe)Rh
     
    2
    		S
     
    4
  		• Digenite2.BA.10
    Cu
     
    9
    		S
     
    5
  		• Erlichmanite2.EB.05a
    OsS
     
    2
  		• Ferrorhodsite2.DA.05
    (Fe,Cu)(Rh,Ir,Pt)
     
    2
    		S
     
    4
  		• Hollingworthite2.EB.25
    (Rh,Pt,Pd)AsS
  		• Irarsite2.EB.25
    (Ir,Ru,Rh,Pt)AsS
  		• Isomertieite2.AC.15a
    Pd
     
    11
    		Sb
     
    2
    		As
     
    2
  		• Keithconnite2.BC.20
    Pd
     
    3-x
    		Te (x = 0.14 - 0.43)
      var: Plumbian Keithconnite2.BC.20
    Pd
     
    3-x
    		Te (x = 0.14 - 0.43)
  		• Kotulskite2.CC.05
    Pd(Te,Bi)
     
    1-2
  		• Laflammeite (TL)2.BC.60
    Pd
     
    3
    		Pb
     
    2
    		S
     
    2
  		• Laurite2.EB.05a
    RuS
     
    2
  		• Malanite2.DA.05
    Cu(Pt
    3+
     
    		,Ir
    3+
     
    		)
     
    2
    		S
     
    4
  		• Millerite2.CC.20
    NiS
  		• Roxbyite2.BA.05
    Cu
     
    9
    		S
     
    5
  		• Sperrylite2.EB.05a
    PtAs
     
    2
  		• Vysotskite2.CC.35a
    (Pd,Ni)S
    Group 4 - Oxides and Hydroxides
  		• Baddeleyite4.DE.35
    ZrO
     
    2
  		• Chromite4.BB.05
    FeCr
     
    2
    		O
     
    4
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Baryte7.AD.35
    BaSO
     
    4
    Group 8 - Phosphates, Arsenates and Vanadates
  		• UM1999-17:O:PbV8.FA.15
    Pb
     
    4
    		[O|(VO
     
    4
    		)
     
    2
    		]
  		• UM2005-35-VO:CaFePSiTh8.AD.50
    (Th,Ca)[VO
     
    4
    		,SiO
     
    4
    		,PO
     
    4
    		]
    Group 9 - Silicates
  		• Actinolite9.DE.10
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
  		• Clinochlore9.EC.55
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Enstatite
    var: Bronzite    		9.DA.05
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    3
    		]
     
    2
    Unclassified Minerals
  		• 'Mertieite'-
  		• 'Olivine'-
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
  		• UM2005-//-E:CuPbPdPt-
    (Pd,Pt)
     
    3
    		(Pb,Cu)
  		• 'Unnamed (Fe analogue of Konderite)'-
    (Cu,Ni,Fe)
     
    3+x
    		(Fe,Pb)(Rh,Ir,Pd)
     
    8-x
    		S
     
    16
  		• 'Unnamed (Pd plumbostannotelluro-arsenide)'-
    Pd
     
    5
    		(As,Te,Sn,Pb)
     
    2
  		• 'Unnamed (Pd-Pb Oxide)'-
    Pd
     
    9
    		PbO
     
    10
  		• 'Unnamed (Rh-Ni Sulphide)'-
    Rh
     
    1-x
    		(Ni,Fe,Cu)
     
    2+x
    		S
     
    3


    41 entries listed. 32 valid minerals.

    Localities in this Region:
    Finland
     
    • Lapin (Lapland) Lääni
      • Penikat complex
        • Sompujärvi Reef

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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: 2nd Nov 2009 20:03:26