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San Priamo Quarries, Idda Mt., San Vito, Cagliari Province, Sardinia, Italy
Photo: Antonio Gamboni
Granite quarries on Mt. Idda, which represents the most extended batholith of Northern Sarrabus. Actually, it represents a so called "Inselberg" (island mountain) due to erosive processes which have disclosed the most ancient nucleus of relief, made of leucogranites. These batholites set in place during Hercynian orogenesis as end of magmatic events. These leucogranites are rich in quartz, K-feldspars and plagioclases, and very poor in biotite or other Fe-Mg minerals. They are crossed by pematitic veins, rich in crystallized minerals, even if other minerals can be found in miarolitic cavities of pink K-feldspar.
Mineral List
35 entries listed. 27 valid minerals.
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References
- Bralia A., Ghezo G., Guasparri G., Sabatini G. (1982): Aspetti genetici del batolite Sardo-Corso. Rendic. Soc. Ital. Mineral. e Petrol., 38, pp. 701-764
- Guasparri G., Riccobono F., Sabatini G. (1984): Leucogranites of Sardinian batholith: petrologic aspects and their relevance to metallogenesis. Periodico di Mineralogia, 53, pp. 17-52
- Stara P., Astolfi M. (1990): San Priamo. Rivista Mineralogica Italiana, fasc. 1, pp. 51-63
- Stara, P., Rizzo, R. & Brizzi, G. (1993). Sarrabus. Miniere e minerali. Associazione Mineralogica Sarda, Gruppo Mineralogico Lombardo, Associazione Piemontese Miner. Paleont. e Mostra Torinese Minerali, Centro Mineralogico Varesino, Amici Mineralogisti Fiorentini, Gr. Mineral. Paleont. Piacentino, Gr. Mineral. Cremonese, Gr. Liguria, 210 pp.
- Astolfi M., Preite D., Rizzo R., Stara P. (1999): Mineralien aus dem Granit von San Priamo, Sardinien. Lapis, 24 (11), 13-21.
- Guasparri G., Riccobono F., Sabatini G. (1984): Leucogranites of Sardinian batholith: petrologic aspects and their relevance to metallogenesis. Periodico di Mineralogia, 53, pp. 17-52
- Stara P., Astolfi M. (1990): San Priamo. Rivista Mineralogica Italiana, fasc. 1, pp. 51-63
- Stara, P., Rizzo, R. & Brizzi, G. (1993). Sarrabus. Miniere e minerali. Associazione Mineralogica Sarda, Gruppo Mineralogico Lombardo, Associazione Piemontese Miner. Paleont. e Mostra Torinese Minerali, Centro Mineralogico Varesino, Amici Mineralogisti Fiorentini, Gr. Mineral. Paleont. Piacentino, Gr. Mineral. Cremonese, Gr. Liguria, 210 pp.
- Astolfi M., Preite D., Rizzo R., Stara P. (1999): Mineralien aus dem Granit von San Priamo, Sardinien. Lapis, 24 (11), 13-21.
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