Petyayan-vara carbonatite, Vuoriyarvi alkaline-ultrabasic massif, Northern Karelia, Murmansk Oblast, Russiai
| Regional Level Types | |
|---|---|
| Petyayan-vara carbonatite | Occurrence |
| Vuoriyarvi alkaline-ultrabasic massif | Massif |
| Northern Karelia | - not defined - |
| Murmansk Oblast | Oblast |
| Russia | Country |
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Latitude & Longitude (WGS84):
66° 48' 17'' North , 30° 10' 39'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Alakurtti | 6,293 (2016) | 19.5km |
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.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity 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!
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Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Aegirine Formula: NaFe3+Si2O6 References: |
| ⓘ Albite Formula: Na(AlSi3O8) References: |
| ⓘ Anatase Formula: TiO2 References: |
| ⓘ 'Ancylite' References: |
| ⓘ Ancylite-(Ce) Formula: CeSr(CO3)2(OH) · H2O References: |
| ⓘ Anhydrite Formula: CaSO4 Description: In fluid inclusions |
| ⓘ Ankerite Formula: Ca(Fe2+,Mg)(CO3)2 References: |
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) References: |
| ⓘ Baryte Formula: BaSO4 References: |
| ⓘ 'Bastnäsite' Formula: (Ce/Nd/Y/REE)(CO3)F |
| ⓘ Bastnäsite-(Ce) Formula: Ce(CO3)F References: |
| ⓘ Brookite Formula: TiO2 References: |
| ⓘ 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 References: |
| ⓘ Celestine Formula: SrSO4 |
| ⓘ Dolomite Formula: CaMg(CO3)2 References: |
| ⓘ Fluorapatite Formula: Ca5(PO4)3F References: |
| ⓘ Fluorcalciopyrochlore Formula: (Ca,Na)2(Nb,Ti)2O6F References: |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Hollandite Formula: Ba(Mn4+6Mn3+2)O16 References: |
| ⓘ Hydroxycalciopyrochlore Formula: (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) References: |
| ⓘ Hydroxylbastnäsite-(Ce) Formula: Ce(CO3)(OH) References: |
| ⓘ 'Kenoplumbopyrochlore' Formula: (Pb,◻)Nb2O6(◻,O) References: |
| ⓘ Kutnohorite Formula: CaMn2+(CO3)2 References: |
| ⓘ 'Limonite' References: |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 References: |
| ⓘ 'Mica Group' |
| ⓘ Microcline Formula: K(AlSi3O8) References: |
| ⓘ Monazite-(Ce) Formula: Ce(PO4) |
| ⓘ 'Monazite Group' Formula: REE(PO4) References: |
| ⓘ Norsethite Formula: BaMg(CO3)2 References: |
| ⓘ Phlogopite Formula: KMg3(AlSi3O10)(OH)2 References: |
| ⓘ Pyrite Formula: FeS2 References: |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Rutile Formula: TiO2 References: |
| ⓘ Siderite Formula: FeCO3 |
| ⓘ Strontianite Formula: SrCO3 References: |
| ⓘ Synchysite-(Ce) Formula: CaCe(CO3)2F References: |
| ⓘ Thénardite Formula: Na2SO4 Description: In fluid inclusions |
| ⓘ Thorite Formula: Th(SiO4) References: |
| ⓘ Zircon Formula: Zr(SiO4) References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| ⓘ | Anatase | 4.DD.05 | TiO2 |
| ⓘ | Brookite | 4.DD.10 | TiO2 |
| ⓘ | Hydroxycalciopyrochlore | 4.DH.15 | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| ⓘ | Fluorcalciopyrochlore | 4.DH.15 | (Ca,Na)2(Nb,Ti)2O6F |
| ⓘ | 'Kenoplumbopyrochlore' | 4.DH.15 | (Pb,◻)Nb2O6(◻,O) |
| ⓘ | Hollandite | 4.DK.05a | Ba(Mn4+6Mn3+2)O16 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| ⓘ | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
| ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| ⓘ | Kutnohorite | 5.AB.10 | CaMn2+(CO3)2 |
| ⓘ | Strontianite | 5.AB.15 | SrCO3 |
| ⓘ | Norsethite | 5.AB.30 | BaMg(CO3)2 |
| ⓘ | Carbocernaite | 5.AB.50 | (Ca,Na)(Sr,Ce,Ba)(CO3)2 |
| ⓘ | Burbankite | 5.AC.30 | (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 |
| ⓘ | Bastnäsite-(Ce) | 5.BD.20a | Ce(CO3)F |
| ⓘ | Hydroxylbastnäsite-(Ce) | 5.BD.20a | Ce(CO3)(OH) |
| ⓘ | Synchysite-(Ce) | 5.BD.20c | CaCe(CO3)2F |
| ⓘ | Ancylite-(Ce) | 5.DC.05 | CeSr(CO3)2(OH) · H2O |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Thénardite | 7.AD.25 | Na2SO4 |
| ⓘ | Anhydrite | 7.AD.30 | CaSO4 |
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| ⓘ | Celestine | 7.AD.35 | SrSO4 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Monazite-(Ce) | 8.AD.50 | Ce(PO4) |
| ⓘ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
| Group 9 - Silicates | |||
| ⓘ | Thorite | 9.AD.30 | Th(SiO4) |
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Aegirine | 9.DA.25 | NaFe3+Si2O6 |
| ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(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
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Ancylite-(Ce) | CeSr(CO3)2(OH) · H2O |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Hydroxylbastnäsite-(Ce) | Ce(CO3)(OH) |
| H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| H | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| C | Carbon | |
| C | ⓘ Ancylite-(Ce) | CeSr(CO3)2(OH) · H2O |
| C | ⓘ Ankerite | Ca(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 | ⓘ Calcite | CaCO3 |
| C | ⓘ Carbocernaite | (Ca,Na)(Sr,Ce,Ba)(CO3)2 |
| C | ⓘ Dolomite | CaMg(CO3)2 |
| C | ⓘ Hydroxylbastnäsite-(Ce) | Ce(CO3)(OH) |
| C | ⓘ Kutnohorite | CaMn2+(CO3)2 |
| C | ⓘ Norsethite | BaMg(CO3)2 |
| C | ⓘ Siderite | FeCO3 |
| C | ⓘ Strontianite | SrCO3 |
| C | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| O | Oxygen | |
| O | ⓘ Aegirine | NaFe3+Si2O6 |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Anatase | TiO2 |
| O | ⓘ Ancylite-(Ce) | CeSr(CO3)2(OH) · H2O |
| O | ⓘ Anhydrite | CaSO4 |
| O | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Bastnäsite-(Ce) | Ce(CO3)F |
| O | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| O | ⓘ Brookite | TiO2 |
| O | ⓘ Burbankite | (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Carbocernaite | (Ca,Na)(Sr,Ce,Ba)(CO3)2 |
| O | ⓘ Celestine | SrSO4 |
| O | ⓘ Dolomite | CaMg(CO3)2 |
| O | ⓘ Fluorapatite | Ca5(PO4)3F |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| O | ⓘ Hydroxylbastnäsite-(Ce) | Ce(CO3)(OH) |
| O | ⓘ Kutnohorite | CaMn2+(CO3)2 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Monazite Group | REE(PO4) |
| O | ⓘ Monazite-(Ce) | Ce(PO4) |
| O | ⓘ Norsethite | BaMg(CO3)2 |
| O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Siderite | FeCO3 |
| O | ⓘ Strontianite | SrCO3 |
| O | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| O | ⓘ Thénardite | Na2SO4 |
| O | ⓘ Thorite | Th(SiO4) |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Apatite | Ca5(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) |
| F | Fluorine | |
| F | ⓘ Bastnäsite-(Ce) | Ce(CO3)F |
| F | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| F | ⓘ Fluorapatite | Ca5(PO4)3F |
| F | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | ⓘ Fluorcalciopyrochlore | (Ca,Na)2(Nb,Ti)2O6F |
| Na | Sodium | |
| Na | ⓘ Aegirine | NaFe3+Si2O6 |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Burbankite | (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 |
| Na | ⓘ Carbocernaite | (Ca,Na)(Sr,Ce,Ba)(CO3)2 |
| Na | ⓘ Thénardite | Na2SO4 |
| Na | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| Na | ⓘ Fluorcalciopyrochlore | (Ca,Na)2(Nb,Ti)2O6F |
| Mg | Magnesium | |
| Mg | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Mg | ⓘ Dolomite | CaMg(CO3)2 |
| Mg | ⓘ Norsethite | BaMg(CO3)2 |
| Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Aegirine | NaFe3+Si2O6 |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Thorite | Th(SiO4) |
| Si | ⓘ Zircon | Zr(SiO4) |
| P | Phosphorus | |
| P | ⓘ Fluorapatite | Ca5(PO4)3F |
| P | ⓘ Monazite Group | REE(PO4) |
| P | ⓘ Monazite-(Ce) | Ce(PO4) |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Anhydrite | CaSO4 |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Celestine | SrSO4 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Thénardite | Na2SO4 |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Anhydrite | CaSO4 |
| Ca | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Ca | ⓘ Burbankite | (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Carbocernaite | (Ca,Na)(Sr,Ce,Ba)(CO3)2 |
| Ca | ⓘ Dolomite | CaMg(CO3)2 |
| Ca | ⓘ Fluorapatite | Ca5(PO4)3F |
| Ca | ⓘ Kutnohorite | CaMn2+(CO3)2 |
| Ca | ⓘ Synchysite-(Ce) | CaCe(CO3)2F |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| Ca | ⓘ Fluorcalciopyrochlore | (Ca,Na)2(Nb,Ti)2O6F |
| Ti | Titanium | |
| Ti | ⓘ Anatase | TiO2 |
| Ti | ⓘ Brookite | TiO2 |
| Ti | ⓘ Rutile | TiO2 |
| Ti | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| Ti | ⓘ Fluorcalciopyrochlore | (Ca,Na)2(Nb,Ti)2O6F |
| Mn | Manganese | |
| Mn | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| Mn | ⓘ Kutnohorite | CaMn2+(CO3)2 |
| Fe | Iron | |
| Fe | ⓘ Aegirine | NaFe3+Si2O6 |
| Fe | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Siderite | FeCO3 |
| Sr | Strontium | |
| 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 | ⓘ Celestine | SrSO4 |
| Sr | ⓘ Strontianite | SrCO3 |
| Y | Yttrium | |
| Y | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Nb | Niobium | |
| Nb | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| Nb | ⓘ Fluorcalciopyrochlore | (Ca,Na)2(Nb,Ti)2O6F |
| Nb | ⓘ Kenoplumbopyrochlore | (Pb,◻)Nb2O6(◻,O) |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| Ba | ⓘ Burbankite | (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 |
| Ba | ⓘ Carbocernaite | (Ca,Na)(Sr,Ce,Ba)(CO3)2 |
| Ba | ⓘ Hollandite | Ba(Mn64+Mn23+)O16 |
| Ba | ⓘ Norsethite | BaMg(CO3)2 |
| Ce | Cerium | |
| 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 |
| Nd | Neodymium | |
| Nd | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| Pb | Lead | |
| Pb | ⓘ Kenoplumbopyrochlore | (Pb,◻)Nb2O6(◻,O) |
| Th | Thorium | |
| Th | ⓘ Thorite | Th(SiO4) |
| U | Uranium | |
| U | ⓘ Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
- Baltic Shield
- Kola CratonShield
EuropeContinent
Finland/Russia
- Karelian-Kola Alkaline Ultramafic and Carbonatitic ProvinceGeologic Province
Soviet Union (1922-1991)Country
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