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South Sopcha intrusions, Monchegorsk, Murmansk Oblast, Russiai
Regional Level Types
South Sopcha intrusionsOutcrop
MonchegorskComplex
Murmansk OblastOblast
RussiaCountry

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The internal structure of the South Sopcha massif has two distinct zones, i.e., a lower layered norite-orthopyroxenite and an upper gabbro one. The lower zone with a thickness of 250–300 m is represented by an irregular alternation of layers of norites and pyroxenites with a thickness of 1–20 m, with schlierens and irregular areas of pegmatoid variations and a subordinate amount of harzburgites. The upper zone, with a thickness of up to 80 m, is composed of leuco-mesocratic coarse-grained spotted gabbro and gabbronorites similar to gabbroids of the upper zone of the Monchetundra massif in terms of chemical composition. The age of the South Sopcha massif rocks was determined by the U-Pb zircon method. The age of the lower zone norites is 2504 ± 1 Ma, and the age of medium-grained mesocratic gabbro of the upper zone is 2478 ± 20 Ma.
In the contact zone between the rocks of the lower and upper parts of the South Sopcha massif, eruptive breccia is observed. The breccia comprises fragments of norites and pyroxenites of the lower zone, which are cemented by gabbroids of the upper zone.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


12 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:

ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chrome-Spinel (of Dana)'
ⓘ Hollingworthite
Formula: (Rh,Pt,Pd)AsS
ⓘ Kotulskite
Formula: Pd(Te,Bi)2-x (x ≈ 0.4)
ⓘ Laflammeite
Formula: Pd3Pb2S2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Sobolevskite
Formula: PdBi
ⓘ Sperrylite
Formula: PtAs2
ⓘ Törnroosite
Formula: Pd11As2Te2
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘTörnroosite2.AC.Pd11As2Te2
ⓘBornite2.BA.15Cu5FeS4
ⓘLaflammeite2.BC.60Pd3Pb2S2
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘKotulskite2.CC.05Pd(Te,Bi)2-x (x ≈ 0.4)
ⓘSobolevskite2.CC.05PdBi
ⓘSperrylite2.EB.05aPtAs2
ⓘHollingworthite2.EB.25(Rh,Pt,Pd)AsS
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘPargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Chrome-Spinel (of Dana)'-

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Oⓘ ZirconZr(SiO4)
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Siⓘ ZirconZr(SiO4)
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ Hollingworthite(Rh,Pt,Pd)AsS
Sⓘ LaflammeitePd3Pb2S2
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Caⓘ PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ MagnetiteFe2+Fe23+O4
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
AsArsenic
Asⓘ Hollingworthite(Rh,Pt,Pd)AsS
Asⓘ SperrylitePtAs2
Asⓘ TörnroositePd11As2Te2
ZrZirconium
Zrⓘ ZirconZr(SiO4)
RhRhodium
Rhⓘ Hollingworthite(Rh,Pt,Pd)AsS
PdPalladium
Pdⓘ Hollingworthite(Rh,Pt,Pd)AsS
Pdⓘ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Pdⓘ SobolevskitePdBi
Pdⓘ LaflammeitePd3Pb2S2
Pdⓘ TörnroositePd11As2Te2
TeTellurium
Teⓘ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Teⓘ TörnroositePd11As2Te2
PtPlatinum
Ptⓘ Hollingworthite(Rh,Pt,Pd)AsS
Ptⓘ SperrylitePtAs2
PbLead
Pbⓘ LaflammeitePd3Pb2S2
BiBismuth
Biⓘ KotulskitePd(Te,Bi)2-x (x ≈ 0.4)
Biⓘ SobolevskitePdBi

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.
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

Karimova, Oxana V., Grokhovskaya, Tatiana L., Zolotarev, Andrey A., Gurzhiy, Vladislav V. (2016) Crystal Structure Refinements of Isomertieite, Pd11Sb2As2, and Törnroosite, Pd11As2Te2. The Canadian Mineralogist, 54 (2) 511-517 doi:10.3749/canmin.1500039
[1]Pripachkin, Pavel, Rundkvist, Tatiana, Mokrushin, Artem, Bazai, Aiya (2024) Monchegorsk Mafic–Ultramafic Layered PGE-Bearing Complex (2.5 Ga, Kola Region, Russia): On the Problem of Relationships between Magmatic Phases Based on the Study of Cr-Spinels. Minerals, 14 (9). doi:10.3390/min14090856
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