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Iguazu Falls, Foz do Iguaçu, Paraná, South Region, Brazil

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Outcrops of the Late Triassic or Jurassic Serra Geral amygdaloidal basalts (Paraná basin flood basalts)





 Map Reference: 25°41'6"S , 54°26'27"W

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Mineral List:
  		•  Anorthite
    Ca[Al
     
    2
    		Si
     
    2
    		O
     
    8
    		]
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Augite
    (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Calcite
    CaCO
     
    3
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  'Chalcedony'
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  'Chalcedony
    var: Agate'
    SiO
     
    2
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  'Chalcedony
    var: Carnelian'
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  'Chlorite Group'
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Copper ?
    Cu
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Iddingsite
    MgO·Fe
     
    2
    		O
     
    3
    		·3SiO
     
    2
    		·4H
     
    2
    		O
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Nontronite ?
    Na
     
    0.3
    		Fe
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Pseudobrookite
    Fe
     
    2
    		TiO
     
    5
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Pyrite
    FeS
     
    2
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Quartz
    var: Amethyst
    SiO
     
    2
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  Saponite ?
    Ca
     
    0.25
    		(Mg,Fe)
     
    3
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]
  		•  'Zeolite Group'
    Reference: [Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)]


    19 entries listed. 11 valid minerals.

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