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La Concepción mine (El Peñoncillo mine), Ojén, Málaga, Andalusia, Spaini
Regional Level Types
La Concepción mine (El Peñoncillo mine)Mine
Ojén- not defined -
Málaga- not defined -
AndalusiaAutonomous Community
SpainCountry

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Part of the oxides of iron was exploited.

La Concepción mine, Ojén, Málaga, Andalusia, Spain
General view of the peñoncillo, high part.

La Concepción mine, Ojén, Málaga, Andalusia, Spain
La Concepcion mine. Processing and chemical plant

La Concepción mine, Ojén, Málaga, Andalusia, Spain
Part of the oxides of iron was exploited.

La Concepción mine, Ojén, Málaga, Andalusia, Spain
General view of the peñoncillo, high part.

La Concepción mine, Ojén, Málaga, Andalusia, Spain
La Concepcion mine. Processing and chemical plant

La Concepción mine, Ojén, Málaga, Andalusia, Spain
Part of the oxides of iron was exploited.

La Concepción mine, Ojén, Málaga, Andalusia, Spain
General view of the peñoncillo, high part.

La Concepción mine, Ojén, Málaga, Andalusia, Spain
Name(s) in local language(s):Mina Concepcion
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 36° North , 4° West (est.)
Margin of Error:~11km
Locality type:Mine
Köppen climate type:Csa : Hot-summer Mediterranean climate


This was the most important iron mine in Malaga province since the foundation of la Concepcion iron mining and steel corporation in early 1826, by Manuel Agustin Heredia, a famous businessman from Spanish society of the middle 19th century. At the beginning of the 20th century (1909) the mine was worked by the English company "The Marbella Iron Ore Company Limited", transporting the mineral ore to the UK.

La Concepcion or Peñoncillo mine is a remarkable calcium-magnesium skarn in marble-biotite gneiss-amphibolites "hornfels", and catazone sequences (Blanca Unit), folded and fractured, closely related to the tectonic border with Alpujata massif (alpine lherzolites type-peridotites). Crystalline gneisses are strongly folded with biotite-pyrite and amphibole.

Marbles are granoblastic and banded (white colour), where amphibolites lenses bearing magnetite are interlayered (ortho amphibolite).
Host rock and iron ores are strongly folded, forming asymmetric syncline. As a result, ores often form wedge-shaped lenses which generated problems in underground explorations.

Ores were preferably Pyrite-magnetite refusing Pyrrhotite. Pyrite and minor chalcopyrite developed later than magnetite ores.

Regions containing this locality

Eurasia PlatePlate
EuropeContinent
Iberian PeninsulaPeninsula

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


26 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite-Anorthite Series'
Analcime
Formula: Na(AlSi2O6) · H2O
Aragonite
Formula: CaCO3
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Augite var: Fassaite
Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
'Biotite'
Calcite
Formula: CaCO3
Chabazite-Ca
Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Chalcopyrite
Formula: CuFeS2
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Clinochlore var: Pennine
Formula: Mg5Al(AlSi3O10)(OH)8
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Cummingtonite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Datolite
Formula: CaB(SiO4)(OH)
Diopside
Formula: CaMgSi2O6
Enstatite
Formula: MgSiO3
Enstatite var: Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Forsterite
Formula: Mg2SiO4
'Garnet Group'
Formula: X3Z2(SiO4)3
Hedenbergite
Formula: CaFe2+Si2O6
'Hornblende'
'Hypersthene'
Formula: (Mg,Fe)SiO3
Magnetite
Formula: Fe2+Fe3+2O4
Mesolite
Formula: Na2Ca2Si9Al6O30 · 8H2O
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe7S8
'Scapolite'
Spinel
Formula: MgAl2O4
'Thomsonite'
Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
Titanite
Formula: CaTi(SiO4)O
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Wollastonite
Formula: CaSiO3

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Analcime9.GB.05Na(AlSi2O6) · H2O
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
var: Fassaite9.DA.15(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Chabazite-Ca9.GD.10(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Pennine9.EC.55Mg5Al(AlSi3O10)(OH)8
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Cummingtonite9.DE.05☐{Mg2}{Mg5}(Si8O22)(OH)2
Datolite9.AJ.20CaB(SiO4)(OH)
Diopside9.DA.15CaMgSi2O6
Enstatite9.DA.05MgSiO3
var: Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Forsterite9.AC.05Mg2SiO4
Hedenbergite9.DA.15CaFe2+Si2O6
Mesolite9.GA.05Na2Ca2Si9Al6O30 · 8H2O
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Thomsonite-Ca9.GA.10NaCa2[Al5Si5O20] · 6H2O
Titanite9.AG.15CaTi(SiO4)O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Wollastonite9.DG.05CaSiO3
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
'Hypersthene'-(Mg,Fe)SiO3
'Scapolite'-
'Thomsonite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside65.1.3a.1CaMgSi2O6
Enstatite65.1.2.1MgSiO3
Hedenbergite65.1.3a.2CaFe2+Si2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite65.2.1.1cCaSiO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Cummingtonite66.1.1.1☐{Mg2}{Mg5}(Si8O22)(OH)2
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Chabazite-Ca77.1.2.1(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Mesolite77.1.5.4Na2Ca2Si9Al6O30 · 8H2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite-Anorthite Series'-
Aragonite-CaCO3
Augite
var: Fassaite
-(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
'Biotite'-
Clinochlore
var: Pennine
-Mg5Al(AlSi3O10)(OH)8
Enstatite
var: Bronzite
-(Mg,Fe2+)2[SiO3]2
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
'Hypersthene'-(Mg,Fe)SiO3
'Scapolite'-
'Thomsonite'-
Thomsonite-Ca-NaCa2[Al5Si5O20] · 6H2O

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H AnalcimeNa(AlSi2O6) · H2O
H DatoliteCaB(SiO4)(OH)
H Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
H MesoliteNa2Ca2Si9Al6O30 · 8H2O
H Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C CalciteCaCO3
C AragoniteCaCO3
OOxygen
O MagnetiteFe2+Fe23+O4
O SpinelMgAl2O4
O CalciteCaCO3
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O Augite (var: Fassaite)(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
O DiopsideCaMgSi2O6
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O ForsteriteMg2SiO4
O Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
O AragoniteCaCO3
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O WollastoniteCaSiO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O TitaniteCaTi(SiO4)O
O Garnet GroupX3Z2(SiO4)3
O AnalcimeNa(AlSi2O6) · H2O
O DatoliteCaB(SiO4)(OH)
O HedenbergiteCaFe2+Si2O6
O Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
O Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
O Hypersthene(Mg,Fe)SiO3
O PhlogopiteKMg3(AlSi3O10)(OH)2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O EnstatiteMgSiO3
O Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
O MesoliteNa2Ca2Si9Al6O30 · 8H2O
O Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
NaSodium
Na Augite (var: Fassaite)(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Na AnalcimeNa(AlSi2O6) · H2O
Na MesoliteNa2Ca2Si9Al6O30 · 8H2O
Na Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
MgMagnesium
Mg SpinelMgAl2O4
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Augite (var: Fassaite)(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Mg DiopsideCaMgSi2O6
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg ForsteriteMg2SiO4
Mg Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Mg Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
Mg Hypersthene(Mg,Fe)SiO3
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg EnstatiteMgSiO3
AlAluminium
Al SpinelMgAl2O4
Al Augite (var: Fassaite)(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al AnalcimeNa(AlSi2O6) · H2O
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Al MesoliteNa2Ca2Si9Al6O30 · 8H2O
Al Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si Augite (var: Fassaite)(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Si DiopsideCaMgSi2O6
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si ForsteriteMg2SiO4
Si Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si WollastoniteCaSiO3
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si TitaniteCaTi(SiO4)O
Si Garnet GroupX3Z2(SiO4)3
Si AnalcimeNa(AlSi2O6) · H2O
Si DatoliteCaB(SiO4)(OH)
Si HedenbergiteCaFe2+Si2O6
Si Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Si Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
Si Hypersthene(Mg,Fe)SiO3
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si EnstatiteMgSiO3
Si Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Si MesoliteNa2Ca2Si9Al6O30 · 8H2O
Si Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
SSulfur
S PyriteFeS2
S ChalcopyriteCuFeS2
S PyrrhotiteFe7S8
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Augite (var: Fassaite)(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Ca DiopsideCaMgSi2O6
Ca AragoniteCaCO3
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca WollastoniteCaSiO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
Ca DatoliteCaB(SiO4)(OH)
Ca HedenbergiteCaFe2+Si2O6
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Ca MesoliteNa2Ca2Si9Al6O30 · 8H2O
Ca Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
TiTitanium
Ti Augite (var: Fassaite)(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Ti TitaniteCaTi(SiO4)O
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe ChalcopyriteCuFeS2
Fe PyrrhotiteFe7S8
Fe Augite (var: Fassaite)(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe HedenbergiteCaFe2+Si2O6
Fe Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Fe Hypersthene(Mg,Fe)SiO3
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
CuCopper
Cu ChalcopyriteCuFeS2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Calvo, M. (2009) Minerales y Minas de España. Vol. IV, Óxidos e Hidróxidos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 752 pp.
Leine, L. (1967) Geology of a magnetite deposit of the Mg-Skarn type near Marbella, Spain. Economic Geology, 62, 926-931.
Mollat, H. (1965) Die Geologie der Sierra Blanca and ihrer Umgebung (Westliche Betische Kordilleren). Thesis University of Bonn, 75 pp.
Romero Silva, J.C. (2003) Minerales y Rocas de la provincia de Málaga. Edited by CEDMA. Málaga County Council. 318 pp. 1 map.
Calvo, Miguel (2018) Minerales y Minas de España. Vol. IX. Silicatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 767 pp.

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