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Montcada hill quarry (Pedrera del Turó de Montcada), Montcada i Reixac, Vallès Occidental, Barcelona, Catalonia, Spain

Alunite
Montcada hill quarry, Montcada i Reixac, Vallès Occidental, Barcelona, Catalonia, Spain

Photo: 2005 - MMI
Latitude: 41°28'50"N
Longitude: 2°10'50"E
Pedrera del Turó de Montcada

Limestone quarry on top of Montcada hill, 10 km north of Barcelona city. Geology consists of Silurian-Devonian slates, schists, marls and limestones, with several phosphate-rich beds and disseminations. Phosphate minerals are found in thin layers, nodules and veins mainly in Silurian slates.
The quarry is worked since 1917 and produces limestone rock for a cement factory belonging to the company ‘Compañía General de Asfaltos y Portland’ (ASLAND).


References

- Rosell, J. (1997). El Turó de Montcada. Montcada i Reixac, Vallès Occidental. Història, mineria i mineralogia. Mineralogistes de Catalunya, VII, 1:34-58. Barcelona, Spain.
- Rosell, J., Garrido, J.L. (2006). Minerals from Montcada Hill Quarry. Barcelona, Spain. Mineral Up, I, 2:16-20. Barcelona, Spain.

Mineral List

Allophane
Aluminocopiapite
Alumohydrocalcite
Alunite
Ankerite
'Apatite'
Aragonite
Azurite
Beraunite
Calcioferrite
Calcite
Chalcanthite
Chalcopyrite
Chrysocolla
Crandallite
Delvauxite
Dolomite
Evansite
Fluorapatite
var: Carbonate-rich Fluorapatite
Gibbsite
Goethite
Graphite
Halloysite
Huntite
Hydroxylapatite
var: Carbonate-rich Hydroxylapatite

Jarosite
Koninckite
Libethenite
Magnesite
var: Breunnerite
Malachite
Marcasite
Melanterite
Metavariscite
Montgomeryite
Montmorillonite
Natroalunite
Natrojarosite
Opal
Phosphosiderite
Pseudomalachite
Pyrite
Pyrolusite
Quartz
Siderite
Strengite
Tinticite
Variscite
Whitlockite


50 entries listed. 44 valid minerals.

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