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Oued Berkou, El Milia, Constantine Province, Algeria

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Located a few kilometers East of Oued-el-Kébir, between Djidjeli and Philippeville.
Mylonitized greisen sills and veins in metamorphic rocks (gneisses, micaschists, sericitoschists and orthogneisses) at the contact of a kaolinized leucogranite.





Mineral List:
  		•  Cassiterite
    SnO
     
    2
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Chrysoberyl
    BeAl
     
    2
    		O
     
    4
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Columbite
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Quartz
    SiO
     
    2
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Description: In pegmatite veins.
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Tantalite
    (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Tin
    Sn
    Description: Thin plates on cassiterite in sheared zones.
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Triphylite
    LiFe
    2+
     
    		[PO
     
    4
    		]
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Xenotime-(Y)
    YPO
     
    4
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [G. Tchimichkian, Bull. Soc. Fr. Minéral. Cristallo. , 1974, 97, pp. 87-88.]


    11 entries listed. 9 valid minerals.

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