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Tuviois Mine (Axareddu Mine), Sinnai, Cagliari metropolitan city (Metropolitan City of Cagliari), Sardinia, Italy

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Latitude & Longitude (WGS84): 39° 23' 28'' North , 9° 19' 25'' East
Latitude & Longitude (decimal): 39.39116,9.32370
Köppen climate type:Csa : Hot-summer Mediterranean climate
Name(s) in local language(s):Miniera Tuviois (Axareddu Mine), Sinnai, Città metropolitana di Cagliari, Sardegna, Italia
Other/historical region names associated with this locality:Cagliari Province (1859-2016); Sarrabus


Old silver mine in the narrow valley of Riu Su Predi (Rio Brabaisu hydrographic basin). Although the mining area is located in the municipal territory of Sinnai, it is more easily reachable from Burcei, from where the site is about 14 km away.

In the first half of the 19th century prospecting works performed at Sa Scalitta de Tuviois evidenced the presence of galena in association with baryte and quartz (Baldracco, 1853; Jervis, 1881). In 1885 a NW-SE-trending vein of argentiferous galena was discovered at Tuvu de Ois and Arcu de Predi. The Tuviois silver mineralisation was discovered in 1886 and in 1888 the mineral rights were acquired by the company Società Anonima Miniere di Lanusei, which exploited the vien until 1900. The mine was definitively closed in 1906. Some unsuccesful attempts to exploit Cu-, Pb- and Sb-bearing sulphides were made between 1910 and 1941. Prospect workings for fluorite (Axareddu prospecting permit) were dug between 1959 and 1972.

From a mineralogical point of view, the mine is famous for the native silver wires, that in some cases attained even more than 50 cm in length, and also for the abundance of chlorargyrite near the outcrops of the vein.


Mineral List


25 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Carboniferous - Cambrian
298.9 - 541 Ma



ID: 3132518
Cambrian meta-sediment

Age: Paleozoic (298.9 - 541 Ma)

Description: low grade metamorphic

Lithology: Major:{meta-sediment group}, Minor{meta-plutonic rock group,meta-volcanic rock group}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Early Paleozoic
443.8 - 541 Ma



ID: 3191105
Paleozoic sedimentary rocks

Age: Paleozoic (443.8 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page 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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Baldracco, C. (1854) Cenni sulla costituzione metallifera della Sardegna. Tipografia G. Marzorati, Torino, 530 pp.
Jervis, G. (1881) I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Ermanno Loescher, Torino, XXII+539 pp.
De Castro, C. (1890) Descrizione geologico-mineraria della zona argentifera del Sarrabus (Sardegna). Memorie descrittive della Carta geologica d'Italia, 5, 68 pp. + 6 plates + 1 folded geological map.
Traverso, S. (1890) Note sulla geologia e sui giacimenti argentiferi del Sarrabus (Sardegna). Francesco Casanova Editore, Torino, 57 pp.
Busatti, L. (1893) I porfidi della miniera di Tuviois nel Sarrabus (Sardegna). Atti della Società Toscana di Scienze Naturali, Memorie, 12, 162-180.
Traverso, G.B. (1898) Sarrabus e suoi minerali. Note descrittive sui minerali del Sarrabus facenti parte della collezione di minerali italiani presso il Museo civico di Genova. Tipografia e Libreria Sansoldi, Alba, 73 pp.
D'Achiardi, G. (1900) Minerali del Sarrabus (Sardegna). 1.Pirargirite e proustite - 2.Baritina - 3.Armotoma. Atti della Società Toscana di Scienze Naturali, Memorie, 17, 243-251.
Pelloux, A. (1909) Spangolite di Arenas e polibasite del Sarrabus in Sardegna. Annali del Museo Civico di Storia Naturale di Genova, 44 (1908-1910), 194-200.
Traverso, G.B. (1909) Le miniere di argento in Sardegna. Tipografia Sansoldi, Alba, 118 pp.
Soldà, N. (1926) Studio cristallografico di alcune calciti del Sarrabus. Annali del Museo Civico di Storia Naturale Giacomo Doria, 52 (1925-1928), 282-285.
Del Caldo, A., Moro, C., Gramaccioli, C.M., Boscardin, M. (1973) Guida ai minerali. Fratelli Fabbri Editori, Milano, 208 pp.
De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol., 408 pp.
Stara, P., Rizzo, R., Brizzi, G. (1993) Sarrabus. Miniere e Minerali. Associazione Mineralogica Sarda, Gruppo Mineralogico Lombardo, Associazione Piemontese Mineralogia Paleontologia e Mostra Torinese Minerali, Centro Mineralogico Varesino, Amici Mineralogisti Fiorentini, Gruppo Mineralogico Paleontologico Piacentino, et al., Stige Milano Srl, Milano, 208 pp.
Guastoni, A. (2007) I minerali delle miniere d'argento del Sarrabus nella collezione del Museo di Storia Naturale di Milano. Rivista Mineralogica Italiana, 31, 4 (4-2007), 256-272.

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