(Complesso Ultramafico di Finero, Diversi Comuni, Verbano-Cusio-Ossola, Piemonte, Italia)
Chromitite pods in a phlogopitic peridotite metasomatized by carbonatitic mantle plume fluids.
Many localizations (11 km) are known for the pods:
- Alpe Polunia, municipality of Cursolo Orasso
- Rio Creves, municipality of Malesco
- Provola Creek, municipality of Malesco
- Rio del Ferro, municipality of Re
References:
Roggiani, A.G. (1938): Il Regno minerale nell'Ossola - note mineralogico-minerarie - la magnetite e la cromite del Gridone; ossidi di ferro e la pirite. "Il Popolo dell'Ossola", 28, 5-19 agosto 1938.
Preite, D. (1985): La pagina dei Micromounts – Rio Creves (NO) Itinerario e notizie. Rivista Mineralogica Italiana, 9(3), 128.
Garuti, G., Gazzotti, M., and Torres-Ruiz, J. (1995) Iridium, rhodium, and platinum sulfides in chromitites from the ultramafic massifs of Finero, Italy, and Ojen, Spain. Canadian Mineralogist, 33, 509-520.
Zaccarini, F., Stumpfl, E.F., and Garuti, G. (2004) Zirconolite and Zr-Th-U minerals in chromitites of the Finero complex, Western Alps, Italy: evidence for carbonatite-type metasomatism in a subcontinental mantle plume. Canadian Mineralogist, 42, 1825-1845.
Stähle, V., Frenzel, G., Kober, B., Michard, A., Puchelt, H., and Schneider, W. (1990) Zircon syenite pegmatites in the Finero peridotite (Ivrea zone): evidence for a syenite from a mantle source. Earth Planet. Sci. Lett., 101, 196-205.
Mineral List:35 entries listed. 28 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!
