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Leka Island, Leka, Trøndelag, Norwayi
Regional Level Types
Leka IslandIsland
LekaMunicipality
TrøndelagCounty
NorwayCountry

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Type:
Island
Mindat Locality ID:
49132
Long-form identifier:
mindat:1:2:49132:0
GUID (UUID V4):
0
Other/historical names associated with this locality:
Nord-Trøndelag
Other Languages:
Norwegian:
Leka, Leka, Trøndelag, Norge


A rather large island dominated by an ophiolite complex, consisting of layered peridotites/dunites, gabbro and basalt.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

33 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Awaruite
Formula: Ni3Fe
ⓘ Brucite
Formula: Mg(OH)2
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ 'Chrome-Spinel (of Dana)'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ 'Clinopyroxene Subgroup'
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Fayalite-Forsterite Series'
ⓘ Forsterite
Formula: Mg2SiO4
ⓘ Geversite
Formula: PtSb2
ⓘ Heazlewoodite
Formula: Ni3S2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Keithconnite
Formula: Pd20Te7
ⓘ Laurite
Formula: RuS2
ⓘ Lizardite
Formula: Mg3(Si2O5)(OH)4
ⓘ Magnesite
Formula: MgCO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Native Copper
Formula: Cu
ⓘ Native Gold
Formula: Au
ⓘ Native Osmium
Formula: (Os,Ir,Ru)
ⓘ Native Platinum
Formula: Pt
ⓘ 'Orthopyroxene Subgroup'
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Sphalerite
Formula: ZnS
ⓘ Stibiopalladinite
Formula: Pd5Sb2
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Tulameenite
Formula: Pt2CuFe

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
ⓘNative Gold1.AA.05Au
ⓘAwaruite1.AE.20Ni3Fe
ⓘNative Osmium1.AF.05(Os,Ir,Ru)
ⓘNative Platinum1.AF.10Pt
ⓘTulameenite1.AG.40Pt2CuFe
Group 2 - Sulphides and Sulfosalts
ⓘStibiopalladinite2.AC.20aPd5Sb2
ⓘHeazlewoodite2.BB.05Ni3S2
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘKeithconnite2.BC.20Pd20Te7
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGeversite2.EB.05aPtSb2
ⓘLaurite2.EB.05aRuS2
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘBrucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘMagnesite5.AB.05MgCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
ⓘForsterite9.AC.05Mg2SiO4
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘDiopside9.DA.15CaMgSi2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘAntigorite9.ED.15Mg3(Si2O5)(OH)4
ⓘLizardite9.ED.15Mg3(Si2O5)(OH)4
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Chrome-Spinel (of Dana)'-
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AntigoriteMg3(Si2O5)(OH)4
Hⓘ BruciteMg(OH)2
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ LizarditeMg3(Si2O5)(OH)4
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MagnesiteMgCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AntigoriteMg3(Si2O5)(OH)4
Oⓘ BruciteMg(OH)2
Oⓘ CalciteCaCO3
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ ForsteriteMg2SiO4
Oⓘ IlmeniteFe2+TiO3
Oⓘ LizarditeMg3(Si2O5)(OH)4
Oⓘ MagnesiteMgCO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ QuartzSiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ Fayalite-Forsterite Series
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ AntigoriteMg3(Si2O5)(OH)4
Mgⓘ BruciteMg(OH)2
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ ForsteriteMg2SiO4
Mgⓘ LizarditeMg3(Si2O5)(OH)4
Mgⓘ MagnesiteMgCO3
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AntigoriteMg3(Si2O5)(OH)4
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ ForsteriteMg2SiO4
Siⓘ LizarditeMg3(Si2O5)(OH)4
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Fayalite-Forsterite Series
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ ChalcopyriteCuFeS2
Sⓘ HeazlewooditeNi3S2
Sⓘ LauriteRuS2
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ IlmeniteFe2+TiO3
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ArsenopyriteFeAsS
Feⓘ AwaruiteNi3Fe
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ TulameenitePt2CuFe
Feⓘ Fayalite-Forsterite Series
NiNickel
Niⓘ AwaruiteNi3Fe
Niⓘ HeazlewooditeNi3S2
Niⓘ Pentlandite(NixFey)Σ9S8
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ Native CopperCu
Cuⓘ TulameenitePt2CuFe
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
RuRuthenium
Ruⓘ LauriteRuS2
Ruⓘ Native Osmium(Os,Ir,Ru)
PdPalladium
Pdⓘ KeithconnitePd20Te7
Pdⓘ StibiopalladinitePd5Sb2
SbAntimony
Sbⓘ GeversitePtSb2
Sbⓘ StibiopalladinitePd5Sb2
TeTellurium
Teⓘ KeithconnitePd20Te7
OsOsmium
Osⓘ Native Osmium(Os,Ir,Ru)
IrIridium
Irⓘ Native Osmium(Os,Ir,Ru)
PtPlatinum
Ptⓘ GeversitePtSb2
Ptⓘ Native PlatinumPt
Ptⓘ TulameenitePt2CuFe
AuGold
Auⓘ Native GoldAu

Fossils

There are 1 fossil locality from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences1
Youngest Fossil Listed
Oldest Fossil Listed0.01 Ma (Pleistocene)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Pinguinus impennis
species		Animalia : Chordata : Aves : Charadriiformes : Alcidae : Pinguinus : Pinguinus impennis0.0117 - 0 Ma
Quaternary
Fossil LocalitiesClick to show 1 fossil locality

Localities in this Region

Norway

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate

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.

References

Prestvik, Tore (1972) Alpine-type mafic and mafic rocks of Leka, Nord-trøndelag. Norges Geologiske Undersøkelse 273, Norges Geologiske Undersøkelse (NGU) 23-34
Pedersen, Rolf-Birger, Johannesen, Geir Mossige, Boyd, Rognvald (1993) Stratiform platinum-group element mineralizations in the ultramafic cumulates of the Leka ophiolite complex, central Norway. Economic Geology, 88 (4) 782-803 doi:10.2113/gsecongeo.88.4.782
Nilsson, Lars Petter, Larsen, Rune B. (1998) Edle mineraler i mafiske og ultramafiske bergarter- en oppsummering av platinagruppe mineraler (PGM) funnet i Norge i de senere år. Norsk Bergverksmuseum Skrift, 14. 40-49
Plümper, O., Piazolo, S., & Austrheim, H. (2012). Olivine pseudomorphs after serpentinized orthopyroxene record transient oceanic lithospheric mantle dehydration (Leka Ophiolite Complex, Norway). Journal of Petrology, 53(9), 1943-1968.
O’Driscoll, B., Walker, R. J., Day, J. M., Ash, R. D., & Daly, J. S. (2015). Generations of melt extraction, melt–rock interaction and high-temperature metasomatism preserved in peridotites of the∼ 497 Ma Leka Ophiolite Complex, Norway. Journal of Petrology, 56(9), 1797-1828.
Bjerga, A., Konopásek, J., Pedersen, R.B. (2015) Talc–carbonate alteration of ultramafic rocks within the Leka Ophiolite Complex, Central Norway. Lithos, 227. 21-36 doi:10.1016/j.lithos.2015.03.016
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