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Maljavr Au occurrence, Polyarnyy, Murmansk Oblast, Russiai
Regional Level Types
Maljavr Au occurrenceOccurrence
Polyarnyy- not defined -
Murmansk OblastOblast
RussiaCountry

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Latitude & Longitude (WGS84):
69° North , 31° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~22km
Köppen climate type:
Mindat Locality ID:
442160
Long-form identifier:
mindat:1:2:442160:6
GUID (UUID V4):
0


The Maljavr gold occurrence is located at the SW flank of the belt, where biotite gneiss of the lower sequence forms an anticline fold with the upper bend dipping SE.
Biotite gneiss (metamorphosed sandstone, gritstone, and conglomerate) is cut by a tourmaline granite pegmatite N-striking vein, about 40 m thick. Rock forming minerals in pegmatite are quartz, plagioclase (albite–oligoclase), microcline, muscovite, and tourmaline, and minor minerals are biotite, apatite, zircon.
Gold content in the unaltered biotite gneiss is 0.004 g/t and increases in the lenses of metasomatic rocks. Distribution of gold is very uneven: sulfide-mineralized rocks in all metasomatic envelopes contain 0.03–0.5 g/t Au, but where coarse-grained arsenopyrite appears, gold content increases to >1 g/t, and reaches 30 g/t in some hand samples.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


35 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:

Albite
Formula: Na(AlSi3O8)
Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Almandine
Formula: Fe2+3Al2(SiO4)3
'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Anorthite
Formula: Ca(Al2Si2O8)
Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Arsenopyrite
Formula: FeAsS
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Bismoclite
Formula: BiOCl
Bismuthinite
Formula: Bi2S3
'Calcium Amphibole Subgroup'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Calcium Amphibole Subgroup var. Hornblende'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Chalcopyrite
Formula: CuFeS2
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
'Chlorite Group'
Corundum
Formula: Al2O3
Demicheleite-(Br)
Formula: BiSBr
Ehrigite
Formula: Bi8Te3
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
'Feldspar Group'
'Garnet Group'
Formula: X3Z2(SiO4)3
Grossular
Formula: Ca3Al2(SiO4)3
Grunerite
Formula: ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Hedenbergite
Formula: CaFe2+Si2O6
Hedleyite
Formula: Bi7Te3
Hessite
Formula: Ag2Te
Ilmenite
Formula: Fe2+TiO3
Joséite-B
Formula: Bi4Te2S
Löllingite
Formula: FeAs2
Magnetite
Formula: Fe2+Fe3+2O4
Maldonite
Formula: Au2Bi
Microcline
Formula: K(AlSi3O8)
Molybdenite
Formula: MoS2
'Monazite Group'
Formula: REE(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Native Bismuth
Formula: Bi
Native Gold
Formula: Au
Pentlandite
Formula: (NixFey)Σ9S8
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Pyrite
Formula: FeS2
'Pyroxene Group'
Formula: ADSi2O6
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Sillimanite
Formula: Al2(SiO4)O
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Troilite
Formula: FeS
Uraninite
Formula: UO2
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Native Bismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
Maldonite2.AA.40Au2Bi
Hessite2.BA.60Ag2Te
Pentlandite2.BB.15(NixFey)Σ9S8
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Troilite2.CC.10FeS
Bismuthinite2.DB.05Bi2S3
Hedleyite2.DC.05Bi7Te3
Joséite-B2.DC.05Bi4Te2S
Ehrigite2.DC.05Bi8Te3
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Löllingite2.EB.15aFeAs2
Arsenopyrite2.EB.20FeAsS
Demicheleite-(Br)2.FC.25BiSBr
Group 3 - Halides
Bismoclite3.DC.25BiOCl
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Corundum4.CB.05Al2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Grossular9.AD.25Ca3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Sillimanite9.AF.05Al2(SiO4)O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hedenbergite9.DA.15CaFe2+Si2O6
Grunerite9.DE.05◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Anorthite9.FA.35Ca(Al2Si2O8)
var. Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
Albite
var. Oligoclase
9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Feldspar Group'-
'Calcium Amphibole Subgroup
var. Hornblende'
-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Monazite Group'-REE(PO4)
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Pyroxene Group'-ADSi2O6
'Garnet Group'-X3Z2(SiO4)3
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Calcium Amphibole Subgroup'-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
H Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
H Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BBoron
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
O AlbiteNa(AlSi3O8)
O Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O AnorthiteCa(Al2Si2O8)
O AlmandineFe32+Al2(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BismocliteBiOCl
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
O CorundumAl2O3
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O GrossularCa3Al2(SiO4)3
O Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
O HedenbergiteCaFe2+Si2O6
O Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
O IlmeniteFe2+TiO3
O Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O Monazite GroupREE(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
O QuartzSiO2
O SillimaniteAl2(SiO4)O
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O UraniniteUO2
O ZirconZr(SiO4)
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Pyroxene GroupADSi2O6
O Garnet GroupX3Z2(SiO4)3
O ApatiteCa5(PO4)3(Cl/F/OH)
O Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
O Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
F Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Na Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
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 Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al AnorthiteCa(Al2Si2O8)
Al AlmandineFe32+Al2(SiO4)3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Al CorundumAl2O3
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al GrossularCa3Al2(SiO4)3
Al Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Al Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Al SillimaniteAl2(SiO4)O
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si AnorthiteCa(Al2Si2O8)
Si AlmandineFe32+Al2(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si GrossularCa3Al2(SiO4)3
Si Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Si HedenbergiteCaFe2+Si2O6
Si Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Si Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Si QuartzSiO2
Si SillimaniteAl2(SiO4)O
Si ZirconZr(SiO4)
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Pyroxene GroupADSi2O6
Si Garnet GroupX3Z2(SiO4)3
Si Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Si Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
P Monazite GroupREE(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S ArsenopyriteFeAsS
S BismuthiniteBi2S3
S ChalcopyriteCuFeS2
S Joséite-BBi4Te2S
S MolybdeniteMoS2
S Pentlandite(NixFey)Σ9S8
S PyriteFeS2
S PyrrhotiteFe1-xS
S TroiliteFeS
S Demicheleite-(Br)BiSBr
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl BismocliteBiOCl
Cl Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnorthiteCa(Al2Si2O8)
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca GrossularCa3Al2(SiO4)3
Ca HedenbergiteCaFe2+Si2O6
Ca Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Ca Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Ca Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
TiTitanium
Ti Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
FeIron
Fe ArsenopyriteFeAsS
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe Grunerite◻{Fe22+}{Fe52+}(Si8O22)(OH)2
Fe HedenbergiteCaFe2+Si2O6
Fe IlmeniteFe2+TiO3
Fe LöllingiteFeAs2
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(NixFey)Σ9S8
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe TroiliteFeS
NiNickel
Ni Pentlandite(NixFey)Σ9S8
CuCopper
Cu ChalcopyriteCuFeS2
AsArsenic
As ArsenopyriteFeAsS
As LöllingiteFeAs2
BrBromine
Br Demicheleite-(Br)BiSBr
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag HessiteAg2Te
TeTellurium
Te HedleyiteBi7Te3
Te HessiteAg2Te
Te Joséite-BBi4Te2S
Te EhrigiteBi8Te3
AuGold
Au Native GoldAu
Au MaldoniteAu2Bi
BiBismuth
Bi BismocliteBiOCl
Bi Native BismuthBi
Bi BismuthiniteBi2S3
Bi HedleyiteBi7Te3
Bi Joséite-BBi4Te2S
Bi MaldoniteAu2Bi
Bi Demicheleite-(Br)BiSBr
Bi EhrigiteBi8Te3
UUranium
U UraniniteUO2

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Eurasian Plate

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