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La Gallega Mine, Ojén lherzolite massif, Ojén, Málaga, Andalusia, Spaini
Regional Level Types
La Gallega MineMine
Ojén lherzolite massifMassif
OjénMunicipality
MálagaProvince
AndalusiaAutonomous Community
SpainGroup of Countries

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Latitude & Longitude (WGS84):
36° 32' 53'' North , 4° 49' 50'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Ojén2,347 (2012)2.9km
Marbella134,623 (2015)6.1km
Monda2,078 (2012)9.1km
Istán1,461 (2012)11.3km
Guaro2,068 (2012)12.0km
Mindat Locality ID:
20065
Long-form identifier:
mindat:1:2:20065:8
GUID (UUID V4):
b0998dcd-a983-4a80-8e34-34422dba2479
Name(s) in local language(s):
Mina La Gallega, Macizo Lherzolítico Ojén. Sierra Alpujata


Chromium-nickel mining group located southeast of Ojén village, at roughly 8km from the village center across local track roads (Alpujata track road Ojén to Fuengirola).

Mineralization is hosted in Cr-pyroxenites and discordant cordierite felsic veins included in the Ojén Iherzolite massif (Alpujata Peridotite Massif, Ronda massif, Betic Cordillera, southern Spain). The origin of Cr-Ni ores at La Gallega mine is related to magmatic segregation of immiscible arsenide liquid, between oxi-arsenide phase and low-density silicate phase. At later stages, the original immiscible oxi-arsenide liquid segregated two fractions; one enriched in chromite and the second enriched in nickel arsenide, where chromite formed at an early stage with olivine-pyroxene, according to Oen (1973) between 1300°C and 950°C for chromite, and the later phase is featured by nickeline-maucherite (≤800°C, Oen et al., 1971).

Mineralization formed as nickeline-chromite-maucherite veins within greenish-grey massive cordierite-plagioclase-phlogopite dykes, belonging to alpine spinel-garnet lherzolites type.
Late serpentinization occurred very deeply within the jointed peridotite massif forming secondary nickel minerals, the disintegration and weathering of primary sulfides-arsenides, followed by low-temperature hydrothermal metamorphic talc-magnesite mineralization. The mine represents in conjunction with Carratraca district (San Juan Los Jarales), the most relevant nickel deposit in Spain during the period years 1940-1960. The low levels of the mine, worked by solid reinforced box-work concrete shafts, are currently flooding and are inaccessible.

The chromium-nickel district at the site is represented by two major groups: la Gallega I where the main adit is developed more than 150 meters in length with pillars and room-chamber geometry; and la Gallega II at higher levels, mainly worked with dangerous adits emplaced in decomposed, highly fractured peridotite and connected with lower levels across shafts and steep ramps called "Trancadas" in Spanish.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


31 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: 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:

Annabergite
Formula: Ni3(AsO4)2 · 8H2O
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Brucite
Formula: Mg(OH)2
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Cubanite
Formula: CuFe2S3
Dolomite
Formula: CaMg(CO3)2
Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
'Garnierite'
Gersdorffite
Formula: NiAsS
Gold
Formula: Au
Graphite
Formula: C
Ilmenite
Formula: Fe2+TiO3
Löllingite
Formula: FeAs2
Magnesite
Formula: MgCO3
Magnetite
Formula: Fe2+Fe3+2O4
Maucherite
Formula: Ni11As8
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
Muscovite var. Mariposite
Formula: K(Al,Cr)2(Al,Si)4O10(OH)2
Muscovite var. Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Népouite
Formula: Ni3Si2O5(OH)4
Nickeline
Formula: NiAs
'Orthopyroxene Subgroup'
Pentlandite
Formula: (NixFey)Σ9S8
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
'Pimelite'
Formula: Ni3Si4O10(OH)2 · 4H2O
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Platinum
Formula: Pt
Pyrrhotite
Formula: Fe1-xS
Rammelsbergite
Formula: NiAs2
Reevesite
Formula: Ni6Fe3+2(OH)16(CO3) · 4H2O
Rutile
Formula: TiO2
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Talc
Formula: Mg3Si4O10(OH)2
Westerveldite (TL)
Formula: (Fe,Ni,Co)As
Type Locality:
Habit: Intergrowths with maucherite.
Wonesite
Formula: (Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
Zaratite
Formula: Ni3(CO3)(OH)4 · 4H2O ?
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Platinum1.AF.10Pt
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Maucherite2.AB.15Ni11As8
Pentlandite2.BB.15(NixFey)Σ9S8
Chalcopyrite2.CB.10aCuFeS2
Cubanite2.CB.55aCuFe2S3
Nickeline2.CC.05NiAs
Pyrrhotite2.CC.10Fe1-xS
Westerveldite (TL)2.CC.15(Fe,Ni,Co)As
Löllingite2.EB.15aFeAs2
Rammelsbergite2.EB.15aNiAs2
Gersdorffite2.EB.25NiAsS
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Ilmenite4.CB.05Fe2+TiO3
Rutile4.DB.05TiO2
Brucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
Magnesite5.AB.05MgCO3
Dolomite5.AB.10CaMg(CO3)2
Zaratite5.DA.15Ni3(CO3)(OH)4 · 4H2O ?
Reevesite5.DA.50Ni6Fe3+2(OH)16(CO3) · 4H2O
Group 8 - Phosphates, Arsenates and Vanadates
Annabergite8.CE.40Ni3(AsO4)2 · 8H2O
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Dravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Talc9.EC.05Mg3Si4O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Phengite9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
var. Fuchsite9.EC.15K(Al,Cr)3Si3O10(OH)2
var. Mariposite9.EC.15K(Al,Cr)2(Al,Si)4O10(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Wonesite9.EC.20(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
'Pimelite'9.EC.22Ni3Si4O10(OH)2 · 4H2O
Népouite9.ED.15Ni3Si2O5(OH)4
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Chlorite Group'-
'Garnierite'-
'Orthopyroxene Subgroup'-
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H AnnabergiteNi3(AsO4)2 · 8H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H BruciteMg(OH)2
H DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
H Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H NépouiteNi3Si2O5(OH)4
H Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
H TalcMg3Si4O10(OH)2
H Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
H ZaratiteNi3(CO3)(OH)4 · 4H2O ?
H PimeliteNi3Si4O10(OH)2 · 4H2O
H Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
BBoron
B DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C DolomiteCaMg(CO3)2
C GraphiteC
C MagnesiteMgCO3
C ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
C ZaratiteNi3(CO3)(OH)4 · 4H2O ?
OOxygen
O AnnabergiteNi3(AsO4)2 · 8H2O
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BruciteMg(OH)2
O ChromiteFe2+Cr23+O4
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O DolomiteCaMg(CO3)2
O DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
O Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
O IlmeniteFe2+TiO3
O MagnesiteMgCO3
O MagnetiteFe2+Fe23+O4
O MuscoviteKAl2(AlSi3O10)(OH)2
O NépouiteNi3Si2O5(OH)4
O Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
O RutileTiO2
O TalcMg3Si4O10(OH)2
O Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
O ZaratiteNi3(CO3)(OH)4 · 4H2O ?
O ZirconZr(SiO4)
O PimeliteNi3Si4O10(OH)2 · 4H2O
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
NaSodium
Na DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Na Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg BruciteMg(OH)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg DolomiteCaMg(CO3)2
Mg DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mg MagnesiteMgCO3
Mg Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Al Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
SiSilicon
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Si Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si NépouiteNi3Si2O5(OH)4
Si Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si TalcMg3Si4O10(OH)2
Si Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
Si ZirconZr(SiO4)
Si PimeliteNi3Si4O10(OH)2 · 4H2O
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
S ChalcopyriteCuFeS2
S CubaniteCuFe2S3
S GersdorffiteNiAsS
S Pentlandite(NixFey)Σ9S8
S PyrrhotiteFe1-xS
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
K Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
K Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Cr Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe ChromiteFe2+Cr23+O4
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe CubaniteCuFe2S3
Fe IlmeniteFe2+TiO3
Fe LöllingiteFeAs2
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(NixFey)Σ9S8
Fe Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Fe PyrrhotiteFe1-xS
Fe ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Fe Westerveldite(Fe,Ni,Co)As
Fe Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
CoCobalt
Co Westerveldite(Fe,Ni,Co)As
NiNickel
Ni AnnabergiteNi3(AsO4)2 · 8H2O
Ni GersdorffiteNiAsS
Ni MaucheriteNi11As8
Ni NépouiteNi3Si2O5(OH)4
Ni NickelineNiAs
Ni Pentlandite(NixFey)Σ9S8
Ni RammelsbergiteNiAs2
Ni ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Ni Westerveldite(Fe,Ni,Co)As
Ni ZaratiteNi3(CO3)(OH)4 · 4H2O ?
Ni PimeliteNi3Si4O10(OH)2 · 4H2O
CuCopper
Cu ChalcopyriteCuFeS2
Cu CubaniteCuFe2S3
AsArsenic
As AnnabergiteNi3(AsO4)2 · 8H2O
As GersdorffiteNiAsS
As LöllingiteFeAs2
As MaucheriteNi11As8
As NickelineNiAs
As RammelsbergiteNiAs2
As Westerveldite(Fe,Ni,Co)As
ZrZirconium
Zr ZirconZr(SiO4)
PtPlatinum
Pt PlatinumPt
AuGold
Au GoldAu

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