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Lillefjellklumpen deposit, Røyrvik, Trøndelag, Norwayi
Regional Level Types
Lillefjellklumpen depositDeposit
RøyrvikMunicipality
TrøndelagCounty
NorwayCountry

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Latitude & Longitude (WGS84):
64° 39' 55'' North , 13° 8' 56'' East
Latitude & Longitude (decimal):
64.66535,13.14900
GRN:
N44E05
Type:
Deposit
Age:
485.4 ± 1.9 to 443.8 ± 1.5 Ma
Geologic Time:
Ordovician
Reference for age:
Geological Survey of Norway. The Ore Database. Deposit Area 1739 - 008. Lillefjellklumpen.
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Trones420 (2018)16.8km
Røyrvik254 (2018)31.2km
Mindat Locality ID:
34438
Long-form identifier:
mindat:1:2:34438:7
GUID (UUID V4):
0
Other/historical names associated with this locality:
Litlklompen
Other Languages:
Norwegian:
Lillefjellklumpen Nikkelforekomst, Røyrvik, Trøndelag, Norge


PGM-Ni-Cu deposit located in the Grong area, 5 km north of the Skorovas mine and 200 km NE of the town Trondheim. An irregular lens of massive sulphides 20 m long and 2 m wide.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


13 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Marcasite
Formula: FeS2
ⓘ Merenskyite
Formula: PdTe2
Description: Most "common" Pd/Pt mineral at the locality, with a Pt/Pd content in the ore of 4 ppm. It occure as 10-20 microm. sized inclutions in pyrrhotite or chalcopyrite with other Pd/Pt tellurides.
ⓘ Moncheite
Formula: Pt(Te,Bi)2
Description: One grain found by Grønlie in pentlandite, and in "solid solution" with other Pd and Pt tellurides.
ⓘ Native Gold
Formula: Au
Description: Microprobe analysis by Grønlie gives 73% Au and 27% Ag. Electrum occure in chalcopyrite.
ⓘ Native Gold var. Electrum
Formula: (Au,Ag)
Description: Microprobe analysis by Grønlie gives 73% Au and 27% Ag. Electrum occure in chalcopyrite.
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ Pyrite
Formula: FeS2
Description: "Bravoite" is an alteration product after pentlandite.
ⓘ Pyrite var. Bravoite
Formula: (Fe,Ni)S2
Description: "Bravoite" is an alteration product after pentlandite.
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Sperrylite
Formula: PtAs2
Description: Grains to 20 microm.
ⓘ Sphalerite
Formula: ZnS
ⓘ Temagamite ?
Formula: Pd3HgTe3
Description: A mercurian palladium telluride found as a small (5 microm.) inclusion in merenskyite, probably temagamite

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold
var. Electrum		1.AA.05(Au,Ag)
ⓘ1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘTemagamite ?2.BC.50Pd3HgTe3
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘMerenskyite2.EA.20PdTe2
ⓘMoncheite2.EA.20Pt(Te,Bi)2
ⓘPyrite
var. Bravoite		2.EB.05a(Fe,Ni)S2
ⓘ2.EB.05aFeS2
ⓘSperrylite2.EB.05aPtAs2
ⓘMarcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ MagnetiteFe2+Fe23+O4
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SSulfur
Sⓘ Pyrite var. Bravoite(Fe,Ni)S2
Sⓘ ChalcopyriteCuFeS2
Sⓘ MarcasiteFeS2
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Feⓘ Pyrite var. Bravoite(Fe,Ni)S2
Feⓘ ChalcopyriteCuFeS2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MarcasiteFeS2
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
NiNickel
Niⓘ Pyrite var. Bravoite(Fe,Ni)S2
Niⓘ Pentlandite(NixFey)Σ9S8
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ SperrylitePtAs2
PdPalladium
Pdⓘ MerenskyitePdTe2
Pdⓘ TemagamitePd3HgTe3
AgSilver
Agⓘ Native Gold var. Electrum(Au,Ag)
TeTellurium
Teⓘ MerenskyitePdTe2
Teⓘ MoncheitePt(Te,Bi)2
Teⓘ TemagamitePd3HgTe3
PtPlatinum
Ptⓘ MoncheitePt(Te,Bi)2
Ptⓘ SperrylitePtAs2
AuGold
Auⓘ Native Gold var. Electrum(Au,Ag)
Auⓘ Native GoldAu
HgMercury
Hgⓘ TemagamitePd3HgTe3
BiBismuth
Biⓘ MoncheitePt(Te,Bi)2

Other Databases

Link to Geological Survey of Norway:1739 - 008

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion

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

Geological Survey of Norway. The Ore Database. Deposit Area 1739 - 008. Lillefjellklumpen. (Last updated 25.feb.2005)
foreninger.uio.no (n.d.) https://foreninger.uio.no/ngf/ngt/pdfs/NGT_68_1_065-072.pdf
Foslie, Steinar; Johnson, Mimi Høst (1932) Platina i sulfidisk nikkelmalm [Platinum in sulphidic nickel ore]. Norges Geologiske Undersøkelse 137. In commission of H. Aschehoug & Co. 72pp.
Grønlie, A. (1984) PGM-mineraliseringen ved Lillefjellklumpen nikkel-magnetkisforekomst, Nord-Trøndelag. Abstract. BVLI symp. Trondheim, okt.1984
Grønlie, Arne (1988) Platinum-group minerals in the Lillefjellklumpen nickel-copper deposit, Nord-Trøndelag, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 68 (1) 65-72
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
(1998)
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