(Plan d'Albard, Bard, Valle d'Aosta, Italia)
Oligocene peralkaline arfvedsonite-bearing minette dyke.
Refs:
Compagnoni, R. & Williams, P.F. (1983): Deformation and metamorphism in the Bard area of the Sesia-Lanzo zone, Western Alps, during subduction and uplift. Journal of Metamorphic Geology, 1, 117-140.
Venturelli, G., Thorpe, R.S., Dal Piaz, G.V., Del Moro, A., Potts, P.J. (1984): Petrogenesis of calc-alkaline, shoshonitic and associated ultrapotassic Oligocene volcanic rocks from the Northwestern Alps, Italy. Contributions to Mineralogy and Petrology, 86, 209-220.
Wagner, C. & Velde, D. (1985): Mineralogy of two peralkaline, arfvedsonite-bearing minette. A new occurrence of zinc-rich chromite. Bulletin de Minéralogie, 108, 173-187.
Williams, P.F. (1977): Deformation structure in the Albard area, Sesia-Lanzo zone. Rendiconti della Società Italiana di Mineralogia e Petrologia, 33, 442.
Zuffardi, P. (1913): Studio geologico sulla frana di Bard (Valle d'Aosta). Atti della Società Italiana di Scienze Naturali, 52(1), 32-48.
Mineral List:16 entries listed. 15 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
