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Meyrac, Citou, Peyriac-Minervois, Carcassonne, Aude, Languedoc-Roussillon, France

Located 15 km NE of Salsigne.
Hydrothermalized metabasite dyke (1 m thick) with quenched walls, at the contact of Cambriansandstones and shales of Marcoux formation and sandstone/carbonate rocks alternances.
Two hydrothermal events have affected the metabasite :
1) Greizenization
Magmatic Cr/Mg spinels --> Cr/Zn spinels
2) Later alteration event, with Fe/Ti-enrichment and pH diminution
Cr/Zn spinels --> Cr/Zn ferritchromites + quartz + phengite

Ref.:
Béziat, D. & Monchoux, P.(1991): Les spinelles chromozincifères du
district aurifère de Salsigne. Eur. J. Mineral., 3, 957-969.





Mineral List:
  • Biotite
  • Calcite
  • Chromite
       var: Ferrian Chromite
  • 'Chromite-Magnesiochromite Series'
  • 'Gahnite-Hercynite Series'
  • Hematite
  • Magnetite
  • Muscovite
    var: Fuchsite
  • Phengite
  • Quartz
  • Siderophyllite


    12 entries listed. 6 valid minerals.

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