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Montevecchio Mines (Montevecchio Mine; Montevecchio deposit), Arbus and Guspini municipalities, Medio Campidano Province, Sardinia, Italy

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Latitude & Longitude (WGS84): 39° 33' 23'' North , 8° 34' 14'' East
Latitude & Longitude (decimal): 39.55639,8.57056
Köppen climate type:Csa : Hot-summer Mediterranean climate
Name(s) in local language(s):Miniere di Montevecchio (Miniera Montevecchio; Giacimento di Montevecchio), Arbus e Guspini, Provincia del Medio Campidano, Sardegna, Italia

Famous Pb-Zn-Ag mining area located near the village of Montevecchio (also known as Gennas Serapis) and part of the Montevecchio-Ingurtosu-Gennamari mining district, once one of the largest in Italy and Europe, which exploited quartz-sulphide veins emplaced within Ordovician metasediments near the contact with the Hercynian Arburese granitoid batholith.

The ore extraction in the area of Montevecchio dates back to the Phoenician and Roman times. In 1842, modern industrial mining activity started in the area, it stopped in 1991.

The mines are now part of the Geological, Mining, Historic and Environment Park of Sardinia (Parco Geominerario Storico ed Ambientale della Sardegna) – Sardinia UNESCO Global Geopark.

In particular, the Montevecchio-Ingurtosu vein system, prevailingly oriented NE-SW, extends for 10 km and was exploited down to 800 meters in depth; the vein thickness ranges from 1.50 to 7-8 meters, and the total belt width is never less than 6 meters. The main metalliferous minerals of the vein system are galena and sphalerite; the gangue is essentially composed of quartz, with accessory baryte, siderite, ankerite, calcite, and fluorite. The superficial parts of the mineralised veins are characterized by an alteration zone of iron, lead and copper oxides (with a width between 10 and 80 meters). Galena is essentially associated with a quartz-baryte gangue, while blende with a carbonatic gangue (ankerite and siderite).

The Sant'Antonio vein was the most important in the Montevecchio deposit; it was developed in length for 1500 meters, in depth for around 600 meters, and its width reached 15 meters on average. As all the others, this vein shows a vertical zonation with the prevalence of Ag-rich galena in the upper parts, Ag-rich galena and Cd-rich sphalerite in the intermediate parts, and pyrite with chalcopyrite and sterile quartz in the deepest zones. The Piccalìnna vein is characterized by the same extension and vertical zonation than the Sant'Antonio vein, but with a smaller width. The Sanna and Casàrgiu veins, limited in width and depth, have a primary mineralization consisting of sphalerite in ankeritic gangue. The Telle vein has a mineralization consisting of galena in quartz or calcitic gangue.

The Montevecchio mining area includes numerous underground workings, which followed the various mineralised veins, located to the east and to the west of Montevecchio (Gennas Serapis) village. The eastern workings (Montevecchio Levante) include the mines Piccalìnna (San Giovanni shaft), Sant'Antonio (Sant'Antonio shaft), and Mezzéna (Sartòri shaft); the western workings (Montevecchio Ponente) include the mines Sanna, Telle (Amsìcora shaft), and Casàrgiu (Fàis shaft).

Mineral List

87 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

358.9 - 443.8 Ma

ID: 1378770
Silurian-Devonian sedimentary rocks

Age: Paleozoic (358.9 - 443.8 Ma)

Lithology: Sedimentary rocks

Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. [18]

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

This page contains all mineral locality references listed on 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 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.


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. Guida ai minerali Gruppo editoriale Fabbri I° ed. 1973 rist. 1985

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