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Yagumo mine (Yakumo mine), Oshima peninsula, Hokkaido Island, Japan

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Miocene rhodochrosite veins mined for manganese and base metals.





Mineral List:
  		•  Alabandite
    Mn
    2+
     
    		S
    Reference: [Introduction to Japanese Minerals, Geological Survey of Japan, 1970]
  		•  Calcite
    CaCO
     
    3
    Reference: [Katsu Kaneko (1956) Symposium del Manganeso, XX Congreso Geologico Internacional, Mexico D.F.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Galena
    PbS
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Pyrargyrite
    Ag
     
    3
    		SbS
     
    3
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Pyrite
    FeS
     
    2
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Quartz
    SiO
     
    2
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Rhodochrosite
    MnCO
     
    3
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]
  		•  Stibarsen
    AsSb
    Reference: [(Originally recorded as "allemontite") Introduction to Japanese Minerals, Geological Survey of Japan, 1970]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [Fukuoka, M. (1981) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 24, #4, 207-252.]


    11 entries listed. 11 valid minerals.

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