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Berta quarry and mine, Sant Cugat del Vallès-El Papiol, Vallès Occidental-Baix Llobregat, Barcelona, Catalonia, Spain

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Latitude & Longitude (WGS84): 41° 27' 0'' North , 2° 0' 20'' East
Latitude & Longitude (decimal): 41.45, 2.00555555556
Name(s) in local language(s):Pedrera Berta (Cantera Berta; Mina Berta)
Other regions containing this locality:Iberian Peninsula


Hydrothermal low temperature F-Pb-Zn veins emplaced in fractures after two mineralizing events in a continental rift context: Triassic-Jurassic transit and Miocene. Bedrock is an altered Hercynian granodiorite.

Recently in 2003 a crushed granodiorite aggregate plant finished activities. Ancient mining workings consisted of subterranean galleries following some of the metal-rich veins. A future urban and industrial waste deposit is currently under project by regional administration.

The primary mineralization consists on two generations of fluorite with Pb-Zn-Fe sulfides (mainly galena, sphalerite and pyrite). Other abundant minerals are barite, calcite and quartz. Oxidized areas are also present in the veins, giving variable abundance of cerussite, anglesite, smithsonite, goethite and hematite.

The most popular mineral in Berta quarry is fluorite of second generation. It crystallizes in millimeter-sized pale green octahedrons, covering plates of sericitized granodiorite. Abundant and very aesthetic arrays are easily found, often with small crystals of calcite, galena, sphalerite, pyrite, marcasite and quartz. A great variety of samples for micromounters is also present.

Mineral List


58 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

Pleistocene
0.0117 - 2.588 Ma

Age: Pleistocene (0.0117 - 2.588 Ma)

Description: Conglomerate, gravel, sand, sandstone, silt and clay. Fluvial and marine terraces

Lithology: Gravel, conglomerate, sand and silt

Reference: Mapa Geológico de la Península Ibérica, Baleares y Canarias a escala 1:1.000.000. Instituto Geológico y Minero de España. [77]

Serravallian - Burdigalian
11.62 - 20.44 Ma
Neogene sediments and sedimentary rocks

Age: Miocene (11.62 - 20.44 Ma)

Description: Argiles fossilíferes i llims. Burdigalià - Serraval·lià inferior. English: Fossiliferous clays and limes. Burdigalià - Lower Serravallili.

Reference: Institut Cartogràfic i Geològic de Catalunya. Mapa geològic comarcal de Catalunya 1:50.000. Generalitat de Catalunya. [140]

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

Jimeno, F. (1901): La Mina de Puig Pedrós, Papiol (Barcelona). Boletín de la Sociedad Española de Historia Natural, 1, 270-271.

Rivas, M. (1903): La Fluorita de Papiol (Barcelona). Boletín de la Sociedad Española de Historia Natural, 3, 184-186.

Montoriol Pous, J. and Font-Altaba, M. (1964): Estudio del yacimiento de fluorita " Mina Berta" (San Cugat del Vallés, Barcelona).I-Inventario de las especies minerales. Notas y Comunicaciones del Instituto Geológico y Minero de España, 73, 127-170.

Montoriol Pous, J. (1965): Contribución al Conocimiento Mineralógico y Mineralogénetico del Yacimiento de Fluorita de San Cugat del Vallés (Barcelona). Universidad de Barcelona. 79 págs.

Cardellach, E., Canals, A. and Tritlla, J. (1990): Late and post-Hercynian veins in the Catalonian Coastal Ranges. Acta Geológica Hispánica, 25 (1-2), 75-81

Bareche, E., Andrés, J. (1994): Mines de Catalunya, Papiol-Sant Cugat del Vallès. Mineralogistes de Catalunya, VI (2-3), 34-77. (Available on issuu.com)

Tritlla, J., Canals, A., Banks, D. & Cardellach, E. (1995): Evaporite-related fluids and ore deposition during Mesozoic rifting in Eastern and Northeastern Spain. XIII European Current Research on Fluid Inclusions (ECROFI XIII). Boletín de la Sociedad Española de Mineralogía, 18(1), 252-253.

Canals, A. and Cardellach, E. (1997): Ore lead and sulphur isotope pattern from the low-temperature veins of the Catalonian Coastal Ranges (NE Spain). Mineralium Deposita 32, 243-249.

Cardellach, J., Canals, A. and Grandia, F. (2002): Recurrent hydrothermal activity by successive extensional episodes: the case of the Berta F-(Pb-Zn) vein system, NE Spain. Ore Geology Reviews, 22, 133-141.

Calvo, G. y Calvo, M. (2006). Fluorite from Spain. Every color under the Sun. En: Fluorite. The Collector's Choice. Lithographie LLC. Connecticut, USA. 38-42.

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