Preit uranium deposit, Preit & Marmora Valleys, Maira Valley, Cuneo Province, Piedmont, Italy
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|Location is approximate, estimate based on other nearby localities.|
|Latitude & Longitude (WGS84):||44° North , 7° East (est.)|
|Margin of Error:||~61km|
|Köppen climate type:||Cfb : Temperate oceanic climate|
|Name(s) in local language(s):||Giacimento uranifero del Preit, Valloni del Preit e di Marmora, Valle Maira (Val Maira; Valle Macra), Provincia di Cuneo, Piemonte, Italia|
Uranium ores and mineralizations in Permian schists (Briançonnais Domain).
The main mineralizations are located:
- to the N and E of Bric Balacorda (left side of Preit valley, municipality of Canosio);
- at Grange Serre and Salabessa (right side of Preit valley, municipality of Canosio);
- at Comba Colombier and Sletta (left side of Marmora valley, municipality of Marmora).
A radiometric field survey of the territory was performed by the Italian National Agency for Nuclear Researchs (Comitato Nazionale per le Ricerche Nucleari) in 1956-57 and mining works were carried out by Somiren (a mining company owned by ENI). Near Pian Preit exploration galleries and shafts were mainly excavated at Grange Serra (1080 m in total length) and Salabessa (579 m in total length), to a lesser extent at Bric Balacorda. In Marmora valley only 304 m of galleries were excavated.
8 valid minerals.
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Ravagnani, D. (1974) I giacimenti uraniferi italiani e i loro minerali. Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale, Milano, 188 pp.
Piccoli, G.C. (2002) I minerali delle Alpi Marittime e Cozie. Provincia di Cuneo. Associazione Amici del Museo "F. Eusebio" di Alba, L'Artistica Savigliano Srl, Savigliano (Cuneo), 362 pp.
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, L'Artigiana Srl - Azienda Grafica, Alba (Cuneo), 607 pp.