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Chijiadian, Rongcheng Co., Weihai Prefecture, Jiaodong Gold Province, Shandong Province, China

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Ref.: Geological Society of America Abstracts with Programs, Vol. 35, N°6, Sept. 2003, p. 634; http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume; Science, Vol. 278, 24 Oct. 1997, pp. 701-707.

Located 10 km SW of Rongcheng.

Dabie Shan-Sulu UHP metamorphic belt.
UHP garnet lherzolite, with included eclogite pods, within quartzo-feldpathic gneisses.

The present garnets result from the destabilization of preexisting majorite.





Mineral List:
  		•  'Apatite'
    Description: Oriented rods in eclogite garnets.
    Reference: [Geological Society of America Abstracts with Programs, Vol. 35, N°6, Sept. 2003, p. 634.]
  		•  Chromite
    FeCr
     
    2
    		O
     
    4
    Description: Platelets in olivine (orientation parallel to [100]).
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  Clinohumite
    var: Titanclinohumite
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  Cobaltpentlandite
    (Co,Ni,Fe)
     
    9
    		S
     
    8
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  Coesite
    SiO
     
    2
    Description: In eclogites.
    Reference: [Science, Vol. 278, 24 Oct. 1997, pp. 701-707.]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [Science, Vol. 278, 24 Oct. 1997, pp. 701-707.]
  		•  Diopside
    var: Chromian Diopside
    (Ca,Cr)MgSi
     
    2
    		O
     
    6
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  Enstatite
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [Science, Vol. 278, 24 Oct. 1997, pp. 701-707.]
  		•  Forsterite
    Mg
     
    2
    		[SiO
     
    4
    		]
    Reference: [Science, Vol. 278, 24 Oct. 1997, pp. 701-707.]
  		•  'Geikielite-Ilmenite Series'
    Description: Fe0.82 Mg0.15 Mn0.03 TiO3 exsolutions in forsterite. Replaces titanian clinohumite.
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  Hercynite
    var: Picotite
    (Fe,Mg)(Al,Cr)
     
    2
    		O
     
    4
    Description: Exsolutions in lherzolite garnet.
    Reference: [Geological Society of America Abstracts with Programs, Vol. 35, N°6, Sept. 2003, p. 634.]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Description: Exsolution needles in olivine.
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  'Ilmenite-Pyrophanite Series'
    Description: Replaces titanian clinohumite.
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  'Orthopyroxene Subgroup'
    Description: Exsolutions in lherzolite garnet.
    Reference: [Geological Society of America Abstracts with Programs, Vol. 35, N°6, Sept. 2003, p. 634.]
  		•  Pargasite
    [Na][Ca
     
    2
    		][Mg
     
    4
    		Al][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]
  		•  Pyrope
    Mg
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Science, Vol. 278, 24 Oct. 1997, pp. 701-707.]
  		•  Spinel
    MgAl
     
    2
    		O
     
    4
    Reference: [http://www.ngu.no/FileArchive/165/2003_055.pdf Geological Survey of Norway / The Alice Wain Memorial West Norway Eclogite Field Symposium / Abstract Volume.]


    18 entries listed. 11 valid minerals.

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