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Sot de les Mines, Santa Creu d'Olorda, Collserola mountain range, Barcelona city, Barcelonès, Barcelona, Catalonia, Spain

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Name(s) in local language(s): Sot de les Mines, Santa Creu d´Olorda, Serra de Collserola, Barcelona ciutat, Barcelonès, Barcelona, Catalunya (Cataluña), España
Sot de les Mines (Sot de la Mina, Hortet del Sot de les Mines) is the place name that appears in the record book for several concessions that were all in the same area over the period 1872 to 1965 with the aim of working iron ore and above all graphite. From a geographical point of view, the locality corresponds with an area a few dozens of meters to the southwest of the Santa Creu d’Olorda hermitage where nowadays one can see the restored quarry, which is now given the recent and misguided name of “Pedrera del Ocells”, which is not connected in anyway with the place and its history. The operation of this deposit was carried out through galleries that in some period were large and well-constructed, as during the Spanish Civil War they were used for ammunition and military equipment storage. In the 1950’s open cast working was begun but by 1965 it had ended.

From a geological point of view, the worked minerals occur in deep strata of ampelitic Silurian slates. As a curiosity it should be noted that in a small area near the quarry a moderate level of radioactivity has been detected due to the existence of slates and black shale with a moderate amount of uranium, thorium and potassium 40.

Mineral List

24 entries listed. 21 valid minerals.

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- Bareche, E. (2005): Els minerals de Catalunya: segle XX . Institucio Catalana d'Historia Natural-Grup Mineralògic Català

- Calvo Rebollar, M. (2003): Minerales y Minas de España. Volumen I. Elementos. Museo de Ciencias Naturales de Álava.

- Calvo Rebollar, M.(2003): Minerales y Minas de España. Volumen II. Sulfuros y sulfosales. Museo de Ciencias Naturales de Álava.

- Calvo Rebollar, M.(2009): Minerales y Minas de España. Volumen IV. Óxidos e Hidróxidos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo.

- Mata i Perelló, J.M. (1990): Els minerals de Catalunya. Institut d´Estudis Catalans

- Tomas,Ll. (1919-20): Els minerals de Catalunya. Treballs de la Inst. Catalana d'Hist. Nat. Institut d´Estudis Catalans, Barcelona.

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