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San Lino open pit, Prado, Aurora vein, Caravia mining district, Caravia mining area, Asturias, Spaini
Regional Level Types
San Lino open pitPit (Inactive)
Prado- not defined -
Aurora veinVein
Caravia mining districtMining District
Caravia mining areaMining Area
AsturiasAutonomous Community
SpainCountry

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Key
Latitude & Longitude (WGS84):
43° 28' 10'' North , 5° 10' 51'' West
Latitude & Longitude (decimal):
Locality type:
Pit (Inactive) - last checked 2019
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Caravia557 (2008)1.3km
Colunga3,868 (2012)7.4km
Ribadesella6,245 (2012)9.8km
Parres5,749 (2012)13.5km
Cangas de Onís6,623 (2012)13.8km
Name(s) in local language(s):
Corta San Lino, Prado, Filón Aurora, Caravia, Zona minera de Caravia, Principado de Asturias, España


San Lino is located in the concession with the same name, registered with number 24.207 in the Oviedo Mine Office. At first it was claimed as an operation for iron because this kind of registration was the most inexpensive of all the types that could be made. This happened in 1939. In 1956 more research was conducted which confirmed the presence of fluorspar.

The mineralization in the No. 1 vein of this mining concession is connected to E-W structures and the Fluorite is associated with fault surfaces that generally tend to follow karst zones.

The Fluoruros S. A. company began the extraction of this deposit via an underground mine until the consistency of the ground and the discovery of a large mineralized mass of 110.000 m3 required that the type of mining change to open cast from 1970. Later they found another large mineral deposit of 250.000 m3 that needed, to allow its extraction, the removal of a great amount of overburden (1,3 millions of m3). The solution for this was the filling in of the hole left by the Aurora Norte open pit in the main town of the municipality of Caravia: Prado. At that time, the Aurora Norte pit, operated by the same company, had been closed. The San Lino pit was finally closed in the middle of 1986.

Nowadays the open pit is crossed by a viaduct of the Cantabrico Highway.

This mine/quarry has provided the mineralogical word with a great number of specimens of Fluorite combined with Baryte, frequently of tetrahexahedral habit – as often happens in this general mining area- as well as the different combinations of cube, rhombododecahedron and tetrahexahedron. The prevailing colors for the Fluorite crystals vary from blue to light violet, although they also found deep violet from time to time. The common paragenesis is the typical one for the district, that is to say, Fluorite, Baryte, Quartz, Calcite, Copper carbonates and several sulfides among which Cinnabar and needle-shape Stibnite stand out. There are also frequent the prismatic calcites, with great transparency and luster lining the hollow interior of the nodules belonging to the Permo-Triassic red loam area of the pit.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


8 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Manuel Gutierrez Claverol, Carlos Luque Cabal, Jose Ramon Garcia Alvarez and Luis Miguel Rodriguez Terente (2009) La Fluorita - un siglo de mineria en Asturias. p260.
Calcite
Formula: CaCO3
Reference: Manuel Gutierrez Claverol, Carlos Luque Cabal, Jose Ramon Garcia Alvarez and Luis Miguel Rodriguez Terente (2009) La Fluorita - un siglo de mineria en Asturias. p260.
Cinnabar
Formula: HgS
Reference: Calvo, Miguel. (2003) Minerales y Minas de España. Vol. II. Sulfuros y sulfosales. Museo de Ciencias Naturales de Alava. Vitoria. 705 págs.
Dolomite ?
Formula: CaMg(CO3)2
Reference: Geominero Museum of Madrid collection
Fluorite
Formula: CaF2
Reference: Calvo, G. y Calvo, M. (2006). Fluorite from Spain. Every color under the Sun. In: Fluorite. The Collector's Choice. Lithographie LLC. Connecticut, USA. 38-42.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Geominero Museum of Madrid collection
Pyrite
Formula: FeS2
Reference: Geominero Museum collection
Quartz
Formula: SiO2
Reference: Calvo, M. (2016). Minerales y Minas de España. Vol. VIII. Cuarzo y otros minerales de la sílice. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 399 págs.
Stibnite
Formula: Sb2S3
Reference: Calvo, Miguel. (2003) Minerales y Minas de España. Vol. II. Sulfuros y sulfosales. Museo de Ciencias Naturales de Alava. Vitoria. 705 págs.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Cinnabar2.CD.15aHgS
Pyrite2.EB.05aFeS2
Stibnite2.DB.05Sb2S3
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite ?5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite ?14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O QuartzSiO2
O CalciteCaCO3
O BaryteBaSO4
O Limonite(Fe,O,OH,H2O)
O DolomiteCaMg(CO3)2
FFluorine
F FluoriteCaF2
MgMagnesium
Mg DolomiteCaMg(CO3)2
SiSilicon
Si QuartzSiO2
SSulfur
S CinnabarHgS
S BaryteBaSO4
S PyriteFeS2
S StibniteSb2S3
CaCalcium
Ca FluoriteCaF2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe PyriteFeS2
Fe Limonite(Fe,O,OH,H2O)
SbAntimony
Sb StibniteSb2S3
BaBarium
Ba BaryteBaSO4
HgMercury
Hg CinnabarHgS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Calvo, Miguel. (2006). Minerales y Minas de España. Vol. III. Halogenuros. Museo de Ciencias Naturales de Alava. Vitoria. 267 págs.
Gutiérrez, M., Luque, C., García, J.R. y Rodríguez, L.M. (2009). La Fluorita. Un Siglo de Minería de Asturias. Universidad de Oviedo.565 págs.

External Links

- http://www.foro-minerales.com/forum/viewtopic.php?t=6176 (description of the locality with maps and pictures, in Spanish language)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Spain

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