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Cerro Cagual, Magallanes Province, Magallanes y Antártica Chilena Region, Chile

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Alkaline intrusive rocks, including "essexite" (gabbroic rocks with orthoclase but no nepheline), "comenditic granophyre", syenite.





Mineral List:
  		•  Aegirine-augite
    (Na,Ca)(Fe
    3+
     
    		,Fe
    2+
     
    		,Mg,Al)Si
     
    2
    		O
     
    6
    Reference: [Alan R. Woolley (1987) Alkaline Rocks and Carbonatites of the World, part 1, 200 (BMNH, London)]
  		•  Orthoclase
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Alan R. Woolley (1987) Alkaline Rocks and Carbonatites of the World, part 1, 200 (BMNH, London)]


    2 entries listed. 2 valid minerals.

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