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Pilar mine, Alòs de Balaguer, Noguera, Lleida (Lérida), Catalonia, Spaini
Regional Level Types
Pilar mine- not defined -
Alòs de Balaguer- not defined -
Noguera- not defined -
Lleida (Lérida)- not defined -
Catalonia- not defined -

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Latitude & Longitude (WGS84): 41° 57' 22'' North , 0° 56' 59'' East
Latitude & Longitude (decimal): 41.95619,0.94986
GeoHash:G#: sp2wttgst
Köppen climate type:Cfa : Humid subtropical climate

The deposit is located on the forest track that leaves the village of Alòs de Balaguer and reaches the refuge on the top of Mount Sant Mamet (1.391 m.). Bauxites fill an old karst system formed by Jurassic limestones and dolomites, fossilized by Cretaceous calcarenites, marls, and clays.

El yacimiento se encuentra en la pista forestal que sale del pueblo de Alòs de Balaguer y llega al refugio en la cima del monte Sant Mamet a 1391 metros de altura. Las bauxitas rellenan un antiguo sistema kárstico formado por calizas y dolomías del Jurásico fosilizado por calcarenitas, margas y arcillas del Cretácico.

Regions containing this locality

Iberian Peninsula

Peninsula - 1,610 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

7 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Formula: TiO2
Reference: https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900
Reference: https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900
Formula: AlO(OH)
Reference: https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900
Formula: CaCO3
Reference: https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900
Formula: α-Fe3+O(OH)
Reference: https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900
Formula: Fe2O3
Reference: https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900
Formula: Al2(Si2O5)(OH)4
Reference: https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900
Formula: SiO2
Reference: https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 5 - Nitrates and Carbonates
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Rocks, etc.

List of minerals for each chemical element

H BöhmiteAlO(OH)
H Goethiteα-Fe3+O(OH)
H KaoliniteAl2(Si2O5)(OH)4
C CalciteCaCO3
O AnataseTiO2
O BöhmiteAlO(OH)
O CalciteCaCO3
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O KaoliniteAl2(Si2O5)(OH)4
O QuartzSiO2
Al BöhmiteAlO(OH)
Al KaoliniteAl2(Si2O5)(OH)4
Si KaoliniteAl2(Si2O5)(OH)4
Si QuartzSiO2
Ca CalciteCaCO3
Ti AnataseTiO2
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3

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

Late Cretaceous
66 - 100.5 Ma

ID: 2512436

Age: Late Cretaceous (66 - 100.5 Ma)

Description: Marl and clay with turbidite layers. Marlstone and marly limestone (red beds)

Lithology: Dolomite, limestone and marl. sandstone

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

Maastrichtian - Campanian
66 - 83.6 Ma

ID: 3083733
Cretaceous sedimentary rocks

Age: Late Cretaceous (66 - 83.6 Ma)

Stratigraphic Name: Bona Formation

Description: Calcàries bioclàstiques, calcarenites, gresos i bioconstruccions. Formació Bona. Campanià-Maastrichtià. English: Limestone, bioclastic, calcarenite, sandstone and bioconstruction. Bona Formation Campana-Maastrichtià.

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

Late Cretaceous
66 - 100.5 Ma

ID: 3160806
Late Cretaceous limestone

Age: Late Cretaceous (66 - 100.5 Ma)

Lithology: Major:{limestone}, Minor{marl,mud}

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 Cretaceous
100.5 - 145 Ma

ID: 3187706
Mesozoic sedimentary rocks

Age: Early Cretaceous (100.5 - 145 Ma)

Comments: Cantabrian Orogen

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Boixereu i Vila, E. (2006) El descubrimiento, investigación y explotación de bauxitas en Cataluña (1900-1985). En Actas do 3º Simpósio sobre mineraçao e metalurgia históricas no sudoeste europeu. Sociedad Española para la defensa del patrimonio geológico y minero. Oporto, 1-11.
Calvo Rebollar, M. (2009) Minerales y Minas de España. Volumen IV. Óxidos e hidróxidos. Escuela Técnica Superior de Ingenieros de Minas. Fundación Gómez Pardo. Madrid.

External Links

https://www.foro-minerales.com/forum/viewtopic.php?p=139900#139900 (discussion about the locality in Spanish language)

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.
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