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Grib pipe, Verkhotina occurrence, Zimny Bereg kimberlite field, Zimny Bereg District, Arkhangel'skaja Oblast', Northern Region, Russia

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Kimberlite with diamond grades of around 0.7 ct/t (70 to 80 US$/ct).
The pipe was discovered in 1996 and exploration was completed in 2002.
Located 115 km northeast of Arkhangel'sk.



References:
- Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Diamond Resource Potential of Kimberlites from the Zimny Bereg Field, Arkhangel’sk Oblast. Geology of Ore Deposits 49(6), 421-441.





Mineral List:
  		•  Calcite
    CaCO
     
    3
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  'Chlorite Group'
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Diamond
    C
    Reference: []
  		•  Diopside
    var: Chromian Diopside
    (Ca,Cr)MgSi
     
    2
    		O
     
    6
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Ilmenite
    var: Picroilmenite
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Perovskite
    CaTiO
     
    3
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Pyrope
    Mg
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  Saponite
    Ca
     
    0.25
    		(Mg,Fe)
     
    3
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]
  		•  'Serpentine Group'
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
    Reference: [Kononova, V.A., Golubeva, Y.Y., Bogatikov, O.A., and Kargin, A.V. (2007): Geology of Ore Deposits 49(6), 421-441.]


    14 entries listed. 8 valid minerals.

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