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La Florida mining area, Sierra de Arnero, Cantabria, Spaini
Regional Level Types
La Florida mining areaArea
Sierra de ArneroSierra
Cantabria- not defined -
SpainCountry

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Name(s) in local language(s):Zona minera de La Florida, Sierra de Arnero, Cantabria, España
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 43° North , 4° West (est.)
Margin of Error:~74km
Locality type:Area
Köppen climate type:Cfb : Temperate oceanic climate


LA FLORIDA MINING DISTRICT 
La Florida mining area is spread out over three localities: Herrerías, Rionansa and Valdáliga and includes two groups of mines: ‘Primera’ and ‘Pablo’ with several mining concessions in each. The mines are, from West to East: La Cuerre, La Isidra, Braña Escondida, Plaza del Monte, Cereceo, Ligorias, and Cuévanos – the last one not being connected to any of the others. 
The mines were exploited for Sphalerite (zinc) and Galena (lead). All the mines, except Cuévanos, were connected by galleries. 
Although specimens which deserved to be collected can be traced in the classic collections of the area and even in the Folch collection –where they appear labeled ‘Roiz’, the main village of Valdáliga municipality-, at the end of the 90’s awesome specimens of Calcite were rediscovered in La Cuerre Mine. The crystals are twinned and complex, pretty isolated on the Dolomite matrix with the rhombohedron prevailing over the scalenohedron.  
We have preferred to simplify the area leaving only La Cuerre Mine. The reason is that the majority of the best specimens come from that mine, including those best known in the literature. 
Of great interest are El Soplao Caves, open to the public within the site itself, with superb Aragonite speleothem formations (see the link below).

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Iberian PeninsulaPeninsula

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

18 valid minerals.

Detailed Mineral List:

Aragonite
Formula: CaCO3
Aragonite var: Flos Ferri
Formula: CaCO3
Baryte
Formula: BaSO4
Birnessite
Formula: (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Calcite
Formula: CaCO3
Cerussite
Formula: PbCO3
Chalcopyrite
Formula: CuFeS2
Dolomite
Formula: CaMg(CO3)2
Galena
Formula: PbS
Goethite
Formula: α-Fe3+O(OH)
Hausmannite
Formula: Mn2+Mn3+2O4
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Hydrozincite
Formula: Zn5(CO3)2(OH)6
Marcasite
Formula: FeS2
Plattnerite
Formula: PbO2
Pyrite
Formula: FeS2
Ranciéite
Formula: (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Smithsonite
Formula: ZnCO3
Sphalerite
Formula: ZnS
Sphalerite var: Schalenblende
'Zaccagnaite-3R'

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
var: Schalenblende2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Birnessite4.FL.45(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Goethite4.00.α-Fe3+O(OH)
Hausmannite4.BB.10Mn2+Mn3+2O4
Plattnerite4.DB.05PbO2
Ranciéite4.FL.40(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
var: Flos Ferri5.AB.15CaCO3
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Hydrozincite5.BA.15Zn5(CO3)2(OH)6
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Unclassified Minerals, Rocks, etc.
'Zaccagnaite-3R'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Plattnerite4.4.1.6PbO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Hausmannite7.2.7.1Mn2+Mn3+2O4
(AB)2X3
Birnessite7.5.3.1(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
AB4X9
Ranciéite7.10.1.1(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Smithsonite14.1.1.6ZnCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Hydrozincite16a.4.1.1Zn5(CO3)2(OH)6
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
var: Flos Ferri-CaCO3
Sphalerite
var: Schalenblende
-ZnS
'Zaccagnaite-3R'-

List of minerals for each chemical element

HHydrogen
H HydrozinciteZn5(CO3)2(OH)6
H HemimorphiteZn4Si2O7(OH)2 · H2O
H Goethiteα-Fe3+O(OH)
H Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
H Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C HydrozinciteZn5(CO3)2(OH)6
C SmithsoniteZnCO3
C CerussitePbCO3
C AragoniteCaCO3
C Aragonite (var: Flos Ferri)CaCO3
OOxygen
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O PlattneritePbO2
O HydrozinciteZn5(CO3)2(OH)6
O BaryteBaSO4
O HemimorphiteZn4Si2O7(OH)2 · H2O
O SmithsoniteZnCO3
O CerussitePbCO3
O AragoniteCaCO3
O Aragonite (var: Flos Ferri)CaCO3
O HausmanniteMn2+Mn23+O4
O Goethiteα-Fe3+O(OH)
O Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
O Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
NaSodium
Na Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
MgMagnesium
Mg DolomiteCaMg(CO3)2
SiSilicon
Si HemimorphiteZn4Si2O7(OH)2 · H2O
SSulfur
S GalenaPbS
S SphaleriteZnS
S PyriteFeS2
S BaryteBaSO4
S MarcasiteFeS2
S ChalcopyriteCuFeS2
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca AragoniteCaCO3
Ca Aragonite (var: Flos Ferri)CaCO3
Ca Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Ca Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
MnManganese
Mn HausmanniteMn2+Mn23+O4
Mn Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Mn Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
FeIron
Fe PyriteFeS2
Fe MarcasiteFeS2
Fe ChalcopyriteCuFeS2
Fe Goethiteα-Fe3+O(OH)
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn HydrozinciteZn5(CO3)2(OH)6
Zn SphaleriteZnS
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn SmithsoniteZnCO3
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS
Pb PlattneritePbO2
Pb CerussitePbCO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- García, Gonzalo; Palero, Fernando J.; Rabadán, José; Hedrosa, Mariano (2007) Las minas de La Florida. Bocamina (20)
- Calvo, M. (2003) Minerales y Minas de España, Vol. II, Sulfuros y Sulfosales. Museo de Ciencias Naturales de Álava.
- Calderón, S. (1910): Los Minerales de España. Junta para Ampliación de Estudios e Investigaciones Científicas.

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