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Higashi-Akaishi dunite, Ehime prefecture, Shikoku Island, Japan

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5km long dunite body, mainly massive dunite, serpentinized along the margins, and including some thin pyroxenite layers, eclogite lenses, and chromite veins. (See also under "Akaishi mine".)





Mineral List:
  		•  Calcite
    CaCO
     
    3
    Reference: [M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245.]
  		•  Chromite
    FeCr
     
    2
    		O
     
    4
    Reference: [M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245.]
  		•  Diopside
    var: Chromian Diopside
    (Ca,Cr)MgSi
     
    2
    		O
     
    6
    Reference: [M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245.]
  		•  Forsterite
    Mg
     
    2
    		[SiO
     
    4
    		]
    Reference: [M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245.]
  		•  'Garnet Group'
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Reference: [M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245.]
  		•  'Pyroxene Group'
    Reference: [M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245.]
  		•  'Serpentine Group'
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
    Reference: [M. Yamaguchi (1961) Mem. Fac. Sci., Kyushu University, Ser. D, Geology, 10, 2, 233-245.]


    7 entries listed. 3 valid minerals.

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