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Petyayan-vara carbonatite, Vuoriyarvi alkaline-ultrabasic massif, Northern Karelia, Murmansk Oblast, Russiai
Regional Level Types
Petyayan-vara carbonatiteOccurrence
Vuoriyarvi alkaline-ultrabasic massifMassif
Northern Karelia- not defined -
Murmansk OblastOblast
RussiaCountry

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Latitude & Longitude (WGS84):
66° 48' 17'' North , 30° 10' 39'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Alakurtti6,293 (2016)19.5km
Mindat Locality ID:
307054
Long-form identifier:
mindat:1:2:307054:6
GUID (UUID V4):
0


Two rock types containing the high-grade rare earth ores have been described in this field: ancylite- and bastnäsite-rich carbonatites. Generally, both varieties are breccias composed of early dolomite carbonatites and matrix with a high content of REEs. In ancylite-rich carbonatites, the matrix consists of ancylite-(Ce) [CeSr(CO3)2(OH)·H2O], baryte, first generation strontianite, and calcite (±quartz); in the BRC, the predominant matrix minerals are bastnäsite-(Ce) [Ce(CO3)F], hydroxylbastnäsite-(Ce) [Ce(CO3)(OH)] (hereafter, both phases are referred to as bastnäsite), and associated quartz. Ancylite is a product of an early metasomatic alteration of primary magmatic burbankite in the Petyayan-Vara carbonatites. The BRC are suggested to be the result of a later alteration of the ancylite-rich carbonatites. An additional product of this overprinting is the SRC, occurring as breccias cemented by second-generation strontianite and bastnäsite. The total content of REE oxides (TREO) in ancylite-rich carbonatites amounts to 10 wt.% and more. The BRC contain significantly less TREO (5 wt.% or less), but they are still highly attractive from an economic side. The first reason for this is the higher REE content in bastnäsite compared to ancylite (64 wt.% vs. 37 wt.% REE total, respectively), which ensures higher REE content in the final concentrate of the former. Second, the relative content of the most valuable medium and heavy REEs in the studied bastnäsite is higher, which is manifested in lower LaN/NdN and LaN/YbN in bastnäsite compared to that of the ancylite of Petyayan-Vara.

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


36 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:

Aegirine
Formula: NaFe3+Si2O6
Albite
Formula: Na(AlSi3O8)
Anatase
Formula: TiO2
'Ancylite'
Ancylite-(Ce)
Formula: CeSr(CO3)2(OH) · H2O
References:
Anhydrite
Formula: CaSO4
Description: In fluid inclusions
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Baryte
Formula: BaSO4
References:
'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
Bastnäsite-(Ce)
Formula: Ce(CO3)F
References:
Brookite
Formula: TiO2
Burbankite
Formula: (Na,Ca)3(Sr,Ba,Ce)3(CO3)5
References:
Calcite
Formula: CaCO3
References:
Carbocernaite
Formula: (Ca,Na)(Sr,Ce,Ba)(CO3)2
Celestine
Formula: SrSO4
Dolomite
Formula: CaMg(CO3)2
References:
Fluorapatite
Formula: Ca5(PO4)3F
Fluorcalciopyrochlore
Formula: (Ca,Na)2(Nb,Ti)2O6F
Goethite
Formula: Fe3+O(OH)
Hematite
Formula: Fe2O3
Hollandite
Formula: Ba(Mn4+6Mn3+2)O16
Hydroxycalciopyrochlore
Formula: (Ca,Na,U,◻)2(Nb,Ti)2O6(OH)
Hydroxylbastnäsite-(Ce)
Formula: Ce(CO3)(OH)
References:
'Kenoplumbopyrochlore'
Formula: (Pb,◻)Nb2O6(◻,O)
Kutnohorite
Formula: CaMn2+(CO3)2
'Limonite'
Magnetite
Formula: Fe2+Fe3+2O4
'Mica Group'
Microcline
Formula: K(AlSi3O8)
References:
Monazite-(Ce)
Formula: Ce(PO4)
'Monazite Group'
Formula: REE(PO4)
Norsethite
Formula: BaMg(CO3)2
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
References:
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
References:
Rutile
Formula: TiO2
Siderite
Formula: FeCO3
Strontianite
Formula: SrCO3
References:
Synchysite-(Ce)
Formula: CaCe(CO3)2F
Thénardite
Formula: Na2SO4
Description: In fluid inclusions
Thorite
Formula: Th(SiO4)
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Anatase4.DD.05TiO2
Brookite4.DD.10TiO2
Hydroxycalciopyrochlore4.DH.15(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)
Fluorcalciopyrochlore4.DH.15(Ca,Na)2(Nb,Ti)2O6F
'Kenoplumbopyrochlore'4.DH.15(Pb,◻)Nb2O6(◻,O)
Hollandite4.DK.05aBa(Mn4+6Mn3+2)O16
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Dolomite5.AB.10CaMg(CO3)2
Kutnohorite5.AB.10CaMn2+(CO3)2
Strontianite5.AB.15SrCO3
Norsethite5.AB.30BaMg(CO3)2
Carbocernaite5.AB.50(Ca,Na)(Sr,Ce,Ba)(CO3)2
Burbankite5.AC.30(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Bastnäsite-(Ce)5.BD.20aCe(CO3)F
Hydroxylbastnäsite-(Ce)5.BD.20aCe(CO3)(OH)
Synchysite-(Ce)5.BD.20cCaCe(CO3)2F
Ancylite-(Ce)5.DC.05CeSr(CO3)2(OH) · H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Thénardite7.AD.25Na2SO4
Anhydrite7.AD.30CaSO4
Baryte7.AD.35BaSO4
Celestine7.AD.35SrSO4
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
Aegirine9.DA.25NaFe3+Si2O6
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
'Limonite'-
'Monazite Group'-REE(PO4)
'Mica Group'-
'Ancylite'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
H Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
H GoethiteFe3+O(OH)
H Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)
CCarbon
C Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
C AnkeriteCa(Fe2+,Mg)(CO3)2
C Bastnäsite-(Ce)Ce(CO3)F
C Bastnäsite(Ce/Nd/Y/REE)(CO3)F
C Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
C CalciteCaCO3
C Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2
C DolomiteCaMg(CO3)2
C Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)
C KutnohoriteCaMn2+(CO3)2
C NorsethiteBaMg(CO3)2
C SideriteFeCO3
C StrontianiteSrCO3
C Synchysite-(Ce)CaCe(CO3)2F
OOxygen
O AegirineNaFe3+Si2O6
O AlbiteNa(AlSi3O8)
O AnataseTiO2
O Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
O AnhydriteCaSO4
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O Bastnäsite-(Ce)Ce(CO3)F
O Bastnäsite(Ce/Nd/Y/REE)(CO3)F
O BrookiteTiO2
O Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
O CalciteCaCO3
O Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2
O CelestineSrSO4
O DolomiteCaMg(CO3)2
O FluorapatiteCa5(PO4)3F
O GoethiteFe3+O(OH)
O HematiteFe2O3
O HollanditeBa(Mn64+Mn23+)O16
O Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)
O KutnohoriteCaMn2+(CO3)2
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O Monazite GroupREE(PO4)
O Monazite-(Ce)Ce(PO4)
O NorsethiteBaMg(CO3)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O QuartzSiO2
O RutileTiO2
O SideriteFeCO3
O StrontianiteSrCO3
O Synchysite-(Ce)CaCe(CO3)2F
O ThénarditeNa2SO4
O ThoriteTh(SiO4)
O ZirconZr(SiO4)
O ApatiteCa5(PO4)3(Cl/F/OH)
O Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)
O Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
O Kenoplumbopyrochlore(Pb,◻)Nb2O6(◻,O)
FFluorine
F Bastnäsite-(Ce)Ce(CO3)F
F Bastnäsite(Ce/Nd/Y/REE)(CO3)F
F FluorapatiteCa5(PO4)3F
F Synchysite-(Ce)CaCe(CO3)2F
F ApatiteCa5(PO4)3(Cl/F/OH)
F Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
NaSodium
Na AegirineNaFe3+Si2O6
Na AlbiteNa(AlSi3O8)
Na Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Na Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2
Na ThénarditeNa2SO4
Na Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)
Na Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
Mg NorsethiteBaMg(CO3)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al MicroclineK(AlSi3O8)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Si AegirineNaFe3+Si2O6
Si AlbiteNa(AlSi3O8)
Si MicroclineK(AlSi3O8)
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si QuartzSiO2
Si ThoriteTh(SiO4)
Si ZirconZr(SiO4)
PPhosphorus
P FluorapatiteCa5(PO4)3F
P Monazite GroupREE(PO4)
P Monazite-(Ce)Ce(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S AnhydriteCaSO4
S BaryteBaSO4
S CelestineSrSO4
S PyriteFeS2
S ThénarditeNa2SO4
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K MicroclineK(AlSi3O8)
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca AnhydriteCaSO4
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Ca CalciteCaCO3
Ca Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2
Ca DolomiteCaMg(CO3)2
Ca FluorapatiteCa5(PO4)3F
Ca KutnohoriteCaMn2+(CO3)2
Ca Synchysite-(Ce)CaCe(CO3)2F
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)
Ca Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
TiTitanium
Ti AnataseTiO2
Ti BrookiteTiO2
Ti RutileTiO2
Ti Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)
Ti Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
MnManganese
Mn HollanditeBa(Mn64+Mn23+)O16
Mn KutnohoriteCaMn2+(CO3)2
FeIron
Fe AegirineNaFe3+Si2O6
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe SideriteFeCO3
SrStrontium
Sr Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
Sr Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Sr Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2
Sr CelestineSrSO4
Sr StrontianiteSrCO3
YYttrium
Y Bastnäsite(Ce/Nd/Y/REE)(CO3)F
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)
Nb Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
Nb Kenoplumbopyrochlore(Pb,◻)Nb2O6(◻,O)
BaBarium
Ba BaryteBaSO4
Ba Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Ba Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2
Ba HollanditeBa(Mn64+Mn23+)O16
Ba NorsethiteBaMg(CO3)2
CeCerium
Ce Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
Ce Bastnäsite-(Ce)Ce(CO3)F
Ce Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ce Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Ce Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2
Ce Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)
Ce Monazite-(Ce)Ce(PO4)
Ce Synchysite-(Ce)CaCe(CO3)2F
NdNeodymium
Nd Bastnäsite(Ce/Nd/Y/REE)(CO3)F
PbLead
Pb Kenoplumbopyrochlore(Pb,◻)Nb2O6(◻,O)
ThThorium
Th ThoriteTh(SiO4)
UUranium
U Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)

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