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Northern face, Mt. Riiser-Larsen, Tula Mts, Enderby Land, Eastern Antarctica, Antarctica

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Northern face of Mt. Riiser-Larsen
23rd Japanese Antarctic Research Expedition, 1982.
Sapphirine-quartz-orthopyroxene symplectites in granulites.





 Map Reference: 66°47'S , 50°42'E

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Mineral List:
  		•  Cordierite
    (Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
    Reference: [Y. Motoyoshi and B.J. Hensen, Eur. J. Mineral., 1989, 1, pp. 467-471.]
  		•  'K Feldspar'
    Reference: [Y. Motoyoshi and B.J. Hensen, Eur. J. Mineral., 1989, 1, pp. 467-471.]
  		•  'Orthopyroxene Subgroup'
    Reference: [Y. Motoyoshi and B.J. Hensen, Eur. J. Mineral., 1989, 1, pp. 467-471.]
  		•  Osumilite
    (K,Na)(Fe
    2+
     
    		,Mg)
     
    2
    		(Al,Fe
    3+
     
    		)
     
    3
    		(Si,Al)
     
    12
    		O
     
    30
    Description: Relic mineral.
    Reference: [Y. Motoyoshi and B.J. Hensen, Eur. J. Mineral., 1989, 1, pp. 467-471.]
  		•  Quartz
    SiO
     
    2
    Reference: [Y. Motoyoshi and B.J. Hensen, Eur. J. Mineral., 1989, 1, pp. 467-471.]
  		•  Sapphirine
    (Mg,Fe)
     
    4-x
    		Al
     
    4+x
    		[Al
     
    4+x
    		Si
     
    2-x
    		O
     
    18
    		]O
     
    2
    Description: Formed by the following reaction : Cordierite --> Sapphirine + Quartz + Orthopyroxene
    Reference: [Y. Motoyoshi and B.J. Hensen, Eur. J. Mineral., 1989, 1, pp. 467-471.]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Y. Motoyoshi and B.J. Hensen, Eur. J. Mineral., 1989, 1, pp. 467-471.]


    7 entries listed. 5 valid minerals.

    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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