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Løkken Verk, Meldal, Orkland, Trøndelag, Norwayi
Regional Level Types
Løkken VerkMining Field
MeldalMunicipality (Former)
OrklandMunicipality
TrøndelagCounty
NorwayCountry

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PhotosMapsSearchMineralogy
09408550017272033559228.jpg
Outcrop of the Lokken VMS ore - inverted sequence

Løkken Verk, Meldal, Orkland, Trøndelag, Norway
00049750017272033572988.jpg
layers of ore

Løkken Verk, Meldal, Orkland, Trøndelag, Norway
01572530017272033589984.jpg
NGU national core archive

Løkken Verk, Meldal, Orkland, Trøndelag, Norway
09408550017272033559228.jpg
Outcrop of the Lokken VMS ore - inverted sequence

Løkken Verk, Meldal, Orkland, Trøndelag, Norway
00049750017272033572988.jpg
layers of ore

Løkken Verk, Meldal, Orkland, Trøndelag, Norway
01572530017272033589984.jpg
NGU national core archive

Løkken Verk, Meldal, Orkland, Trøndelag, Norway
09408550017272033559228.jpg
Outcrop of the Lokken VMS ore - inverted sequence

Løkken Verk, Meldal, Orkland, Trøndelag, Norway
00049750017272033572988.jpg
layers of ore

Løkken Verk, Meldal, Orkland, Trøndelag, Norway
Latitude & Longitude (WGS84):
63° North , 9° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~21km
GRN:
N43E04
Type:
Mining Field
Köppen climate type:
Cfc : Subpolar oceanic climate
Mindat Locality ID:
14050
Long-form identifier:
mindat:1:2:14050:5
GUID (UUID V4):
0
Other/historical names associated with this locality:
Sør-Trøndelag
Other Languages:
Norwegian:
Løkken Verk (Løkkenfeltet), Meldal, Orkland, Trøndelag, Norge


A mining field worked by Orkla Grube-Aktiebolag. An ophiolite-hosted massive sulfide body within a 1-2km thick Lower Ordovician metavolcanic sequence.

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

29 valid minerals.

Rock Types Recorded


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
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Pericline
Formula: Na(AlSi3O8)
ⓘ Axinite-(Fe)
Formula: Ca2Fe2+Al2BSi4O15OH
ⓘ 'Axinite Group'
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcanthite
Formula: CuSO4 · 5H2O
Description: Chalcanthite was found in crystals to 2-3cm and 1-1,5mm thick, when parts of the mine named "Fortunasålen" and "Vesterdypet", was emptied for water in 1902. After being under water in 125 years (cited after Neumann 1985).
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Cobaltite
Formula: CoAsS
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Feldspar Group'
ⓘ 'Fluor-uvite-Uvite Series'
ⓘ Galena
Formula: PbS
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Halotrichite
Formula: Fe2+Al2(SO4)4 · 22H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ Hexahydrite
Formula: Mg(H2O)6(SO4)
ⓘ 'Leucoxene'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Melanterite
Formula: Fe2+(H2O)6(SO4) · H2O
Colour: Pale green or vitrol-blue.
Description: Stalactites or crystals up to several cm. Melanterite from Løkken contain copper in various amounts.
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Copper
Formula: Cu
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
Localities: Reported from at least 6 localities in this region.
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Rozenite
Formula: FeSO4 · 4H2O
ⓘ Rutile
Formula: TiO2
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Zoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘCobaltite2.EB.25CoAsS
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘRozenite7.CB.15FeSO4 · 4H2O
ⓘChalcanthite7.CB.20CuSO4 · 5H2O
ⓘHexahydrite7.CB.25Mg(H2O)6(SO4)
ⓘMelanterite7.CB.35Fe2+(H2O)6(SO4) · H2O
ⓘHalotrichite7.CB.85Fe2+Al2(SO4)4 · 22H2O
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘAxinite-(Fe)9.BD.20Ca2Fe2+Al2BSi4O15OH
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘZoisite9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Pericline9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Fluor-uvite-Uvite Series'-
ⓘ'Leucoxene'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Axinite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ ChalcanthiteCuSO4 · 5H2O
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Hⓘ HexahydriteMg(H2O)6(SO4)
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ RozeniteFeSO4 · 4H2O
Hⓘ Fluor-uvite-Uvite Series
Hⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BBoron
Bⓘ Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Bⓘ Fluor-uvite-Uvite Series
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ CalciteCaCO3
Oⓘ ChalcanthiteCuSO4 · 5H2O
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Oⓘ HematiteFe2O3
Oⓘ HexahydriteMg(H2O)6(SO4)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RozeniteFeSO4 · 4H2O
Oⓘ RutileTiO2
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Fluor-uvite-Uvite Series
Oⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ Albite var. PericlineNa(AlSi3O8)
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
Fⓘ Fluor-uvite-Uvite Series
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Albite var. PericlineNa(AlSi3O8)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ HexahydriteMg(H2O)6(SO4)
Mgⓘ Fluor-uvite-Uvite Series
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Alⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Fluor-uvite-Uvite Series
Alⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ Albite var. PericlineNa(AlSi3O8)
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ Fluor-uvite-Uvite Series
Siⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ Albite var. PericlineNa(AlSi3O8)
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcanthiteCuSO4 · 5H2O
Sⓘ CobaltiteCoAsS
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Sⓘ HexahydriteMg(H2O)6(SO4)
Sⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ RozeniteFeSO4 · 4H2O
Sⓘ SphaleriteZnS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ Fluor-uvite-Uvite Series
Caⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Feⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MelanteriteFe2+(H2O)6(SO4) · H2O
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ RozeniteFeSO4 · 4H2O
CoCobalt
Coⓘ CobaltiteCoAsS
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcanthiteCuSO4 · 5H2O
Cuⓘ Native CopperCu
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ CobaltiteCoAsS
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
PbLead
Pbⓘ GalenaPbS

Mindat Articles

Field trip (08/2023) to Løkken Mine, Oakland, Trøndelag, Norway by Xiaogang Ma


Localities in this Region

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References

Vogt, Thorolf (1917) Kupfervitrol und Gips von Løkken grube in Meldalen [Chalcantite and Gypsum from Løkken Mine in Meldalen]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (2) 129-138
Carstens, C. W. (1945): Kobaltglanz als Bestandteil von Schwefelkieserz. Forhandliger Kongelige Norske Videnskabers Selskab. 18, 64-66 [Find of cobaltite from Løkken]
A. Ovtracht, Pierrot, R. (1962) Contributions to the mineralogy of Norway. No. 14. On the prescence of melanterites at Løkken. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 42 (3). 275-276
Rutter, E.H., Chaplow, R. and Matthews, J.E. (1967): The Geology of the Løkken Verk Area, Sør-Trøndelag. Norges Geologiske Undersøkelse 255 (Årbok 1967): 21-36 + map
Grenne, Tor (1989) The feeder zone to the Lokken ophiolite-hosted massive sulfide deposit and related mineralizations in the central Norwegian Caledonides. Economic Geology, 84 (8) 2173-2195 doi:10.2113/gsecongeo.84.8.2173
Jørgensen, Lars B., Sagvold, Elin B. (2001) Geologiske severdigheter og mineralforekomster i Løkkenfeltet [Geological sights and mineral deposits in the Løkken Mining Field]. Orkla Industrimuseum. p.1-42.
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