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Sapphire deposit, Gaiyang, Mingxi Co., Sanming Prefecture, Fujian Province, China

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Precious zircon and corundum megacrysts, occurring in palaeochannels and palaeoterraces around Cenozoic volcanic rocks outcropping within an area of 20 km2. The rock types include limburgite, olivine basalt, pyroxene-olivine basalt, andesitic basalt, and minor tholeiite. They contain abundant mantle xenoliths of garnet lherzolite, spinel lherzolite and garnet pyroxenite.

Ref.:
- Qiu Zhili et al. (2004): Baddeleyite and Zircon mineral inclusions: Evidence for the genesis of zircon megacrysts related to Cenozoic volcanic rocks in Mingxi, Fujian. Acta Scientiarium Naturalium Universitatis Sunyatsenti 43, 135-139.
- Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Hf isotopes of zircon megacrysts from the Cenozoic basalts in eastern China. Chinese Science Bulletin 50(22), 2602-2611.





Mineral List:
  		•  Baddeleyite
    ZrO
     
    2
    Reference: [Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Chinese Science Bulletin 50(22), 2602-2611.]
  		•  Corundum
    var: Sapphire
    Al
     
    2
    		O
     
    3
    Reference: [Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Chinese Science Bulletin 50(22), 2602-2611.]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Chinese Science Bulletin 50(22), 2602-2611.]
  		•  Pyrope
    Mg
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Chinese Science Bulletin 50(22), 2602-2611.]
  		•  'Pyroxene Group'
    Reference: [Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Chinese Science Bulletin 50(22), 2602-2611.]
  		•  Spinel
    MgAl
     
    2
    		O
     
    4
    Reference: [Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Chinese Science Bulletin 50(22), 2602-2611.]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Chinese Science Bulletin 50(22), 2602-2611.]


    7 entries listed. 4 valid minerals.

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