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Semme, Matam (Ouali-Diala), Senegal River, Saint-Louis Region, Senegal

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Phosphate deposit.





Mineral List:
  		•  Apatite-(CaF)
    var: Francolite
    Reference: [http://www.uoguelph.ca/~geology/rocks_for_crops/45senegal.PDF]
  		•  Montmorillonite
    (Na,Ca)
     
    0.33
    		(Al,Mg)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [http://www.uoguelph.ca/~geology/rocks_for_crops/45senegal.PDF]
  		•  Palygorskite
    (Mg,Al)
     
    5
    		(Si,Al)
     
    8
    		O
     
    20
    		(OH)
     
    2
    		·8H
     
    2
    		O
    Reference: [http://www.uoguelph.ca/~geology/rocks_for_crops/45senegal.PDF]


    3 entries listed. 2 valid minerals.

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