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Allevier, Azérat, Auzon, Haute-Loire, Auvergne, France

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Ref.: Bull. Minéral. , 1987, 110, pp. 359-371.

Localization : Along Jumeaux to Lamothe D 16 road, 300 meters SE from Allevier (Azérat district), 500 meters before Le Cros brook.
Serpentinized peridotite and carbonatized serpentinite (listvenite) within cordierite anatexites.





Mineral List:
  		•  Ankerite
    Ca(Fe
    2+
     
    		 ,Mg,Mn
    2+
     
    		)(CO
     
    3
    		)
     
    2
    Description: In listvenite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Anthophyllite
    ☐[Mg
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Description: In reaction aureole around listvenite, at the contact of anatexites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Antigorite
    (Mg,Fe
    2+
     
    		)
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
    Description: In peridotites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Description: In quartz veinlets in listvenites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Awaruite
    Ni
     
    3
    		Fe
    Description: In peridotites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Calcite
    CaCO
     
    3
    Description: In listvenite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  'Chlorite Group'
    Description: In listvenite, associated with quartz.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Chrysotile
    Mg
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Description: In serpentine rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Clinochlore
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    Description: In reaction aureole around listvenite, at the contact of anatexites. In serpentine rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Clinochlore
    var: Chromian Clinochlore
    Mg
     
    5
    		(Al,Cr)
     
    2
    		Si
     
    3
    		O
     
    10
    		(OH)
     
    8
    Description: In listvenite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Clinochlore
    var: Pennine
    Description: In serpentine rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Dolomite
    CaMg(CO
     
    3
    		)
     
    2
    Description: In listvenite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Enstatite
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
    Description: In peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Enstatite
    var: Bronzite
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Forsterite
    Mg
     
    2
    		[SiO
     
    4
    		]
    Description: In peridotites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Gedrite
    ☐[Mg
     
    2
    		][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Description: Listvenite/anatexite contact zone. Replaced by calcite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Heazlewoodite
    Ni
     
    3
    		S
     
    2
    Description: In peridotites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Description: In listvenite : replaces magnetite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Hercynite
    var: Picotite
    (Fe,Mg)(Al,Cr)
     
    2
    		O
     
    4
    Description: In listvenite. In peridotites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Kulkeite
    Mg
     
    8
    		Al(AlSi
     
    7
    		)O
     
    20
    		(OH)
     
    10
    Description: In serpentine rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Lizardite
    Mg
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
    Description: In serpentine rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Magnesiohornblende
    ☐[Ca
     
    2
    		][Mg
     
    4
    		Al][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
    Description: Replaces pargasitic hornblende in serpentinite rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Magnesite
    var: Ferroan Magnesite
    (Mg,Fe)CO
     
    3
    Description: In listvenite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Description: In peridotites. Rims spinel in serpentine aureole around peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Marcasite
    FeS
     
    2
    Description: In quartz veinlets in listvenites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Millerite
    NiS
    Description: In quartz veinlets in listvenites. In peridotites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Muscovite
    var: Fuchsite
    K(Al,Cr)
     
    3
    		Si
     
    3
    		O
     
    10
    		(OH)
     
    2
    Description: In listvenite : rims spinel.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Pargasite
    [Na][Ca
     
    2
    		][Mg
     
    4
    		Al][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Description: Pargasitic hornblende in peridotites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Description: In reaction aureole around listvenite, at the contact of anatexites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Pyrite
    FeS
     
    2
    Description: In quartz veinlets in listvenites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Pyrite
    var: Bravoite
    (Fe,Ni)S
     
    2
    Description: In serpentine rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Description: In quartz veinlets in listvenites. In serpentine rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Quartz
    SiO
     
    2
    Description: Veinlets in listvenite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  'Serpentine Group
    var: Bastite'
    Description: In serpentine rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Spinel
    MgAl
     
    2
    		O
     
    4
    Description: In peridotites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Description: In listvenite. In reaction aureole around listvenite, at the contact of anatexites.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Description: In listvenite. Replaces pargasitic hornblende in serpentinite rimming peridotite.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]
  		•  Vermiculite
    (Mg,Fe,Al)
     
    3
    		(Al,Si)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    Description: Listvenite/anatexite contact zone.
    Reference: [Bull. Minéral. , 1987, 110, pp. 359-371.]


    39 entries listed. 30 valid minerals.

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