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Lake Jänisjärvi, Republic of Karelia, Russiai
Regional Level Types
Lake JänisjärviImpact Crater
Republic of KareliaRepublic
RussiaCountry

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04488730015528647464610.jpg
View of the Karelian peat cutting area, in 1900.

Lake Jänisjärvi, Republic of Karelia, Russia
04488730015528647464610.jpg
View of the Karelian peat cutting area, in 1900.

Lake Jänisjärvi, Republic of Karelia, Russia
04488730015528647464610.jpg
View of the Karelian peat cutting area, in 1900.

Lake Jänisjärvi, Republic of Karelia, Russia
Type:
Impact Crater
Age:
682 ± 4 Ma
Geologic Time:
Cryogenian
Reference for age:
Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886.
Mindat Locality ID:
42726
Long-form identifier:
mindat:1:2:42726:4
GUID (UUID V4):
b5638105-c2b1-4250-81c3-9688a914e80e


Astrobleme (impact crater).
The diameter of the crater is 14 km. Impactites are exposed on the islands found in the center of the lake and on the western cape, represented by impact melt rocks and suevites. The target rocks are composed of the Lower Proterozoic quartz-biotite schists of the Ladoga Series (Pälkjärvi and Naatselkä formation).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


15 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:

ⓘ Andalusite
Formula: Al2(SiO4)O
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ 'Chlorite Group'
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Coesite
Formula: SiO2
Reference: Zamiatina, D.A., Zamyatin, D.A., Mikhalevskii, G.B., Chebikin, N.S. (2023): Silica Polymorphs Formation in the Jänisjärvi Impact Structure: Tridymite, Cristobalite, Quartz, Trace Stishovite and Coesite. Minerals: 13: 686.
ⓘ Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Cristobalite
Formula: SiO2
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Graphite
Formula: C
Reference: www.lpi.usra.edu/meetings/metsoc2003/pdf/5072.pdf.
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Ilmenite
Formula: Fe2+TiO3
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Iron
Formula: Fe
Reference: www.lpi.usra.edu/meetings/metsoc2003/pdf/5072.pdf.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Reference: www.lpi.usra.edu/meetings/metsoc2003/pdf/5072.pdf.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Quartz
Formula: SiO2
Habit: Ballen quartz
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Sanidine
Formula: K(AlSi3O8)
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Stishovite
Formula: SiO2
Reference: Zamiatina, D.A., Zamyatin, D.A., Mikhalevskii, G.B., Chebikin, N.S. (2023): Silica Polymorphs Formation in the Jänisjärvi Impact Structure: Tridymite, Cristobalite, Quartz, Trace Stishovite and Coesite. Minerals: 13: 686.
ⓘ Titanite
Formula: CaTi(SiO4)O
Reference: Zamiatina, Daria A., Dmitry A. Zamyatin, and Georgii B. Mikhalevskii. (2022) "Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy" Minerals 12, no. 7: 886. https://doi.org/10.3390/min12070886
ⓘ Tridymite
Formula: SiO2
Reference: Zamiatina, D.A., Zamyatin, D.A., Mikhalevskii, G.B., Chebikin, N.S. (2023): Silica Polymorphs Formation in the Jänisjärvi Impact Structure: Tridymite, Cristobalite, Quartz, Trace Stishovite and Coesite. Minerals: 13: 686.
ⓘ Wüstite
Formula: FeO
Reference: www.lpi.usra.edu/meetings/metsoc2003/pdf/5072.pdf.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
ⓘIron1.AE.05Fe
Group 4 - Oxides and Hydroxides
ⓘCoesite4.DA.35SiO2
ⓘCristobalite4.DA.15SiO2
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘStishovite4.DA.40SiO2
ⓘTridymite4.DA.10SiO2
ⓘWüstite4.AB.25FeO
Group 9 - Silicates
ⓘAndalusite9.AF.10Al2(SiO4)O
ⓘCordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘStaurolite9.AF.30Fe2+2Al9Si4O23(OH)
ⓘTitanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
ⓘ'Chlorite Group'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Hⓘ StauroliteFe22+Al9Si4O23(OH)
CCarbon
Cⓘ GraphiteC
OOxygen
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ WüstiteFeO
Oⓘ AndalusiteAl2(SiO4)O
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Oⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Oⓘ CristobaliteSiO2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ IlmeniteFe2+TiO3
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ QuartzSiO2
Oⓘ SanidineK(AlSi3O8)
Oⓘ StauroliteFe22+Al9Si4O23(OH)
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ StishoviteSiO2
Oⓘ CoesiteSiO2
Oⓘ TridymiteSiO2
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
NaSodium
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 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Mgⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mgⓘ Hypersthene(Mg,Fe)SiO3
AlAluminium
Alⓘ AndalusiteAl2(SiO4)O
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Alⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ SanidineK(AlSi3O8)
Alⓘ StauroliteFe22+Al9Si4O23(OH)
SiSilicon
Siⓘ AndalusiteAl2(SiO4)O
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Siⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Siⓘ CristobaliteSiO2
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ QuartzSiO2
Siⓘ SanidineK(AlSi3O8)
Siⓘ StauroliteFe22+Al9Si4O23(OH)
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ StishoviteSiO2
Siⓘ CoesiteSiO2
Siⓘ TridymiteSiO2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Kⓘ SanidineK(AlSi3O8)
CaCalcium
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ TitaniteCaTi(SiO4)O
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ WüstiteFeO
Feⓘ IronFe
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Feⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Feⓘ Hypersthene(Mg,Fe)SiO3
Feⓘ IlmeniteFe2+TiO3
Feⓘ StauroliteFe22+Al9Si4O23(OH)

Fossils

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Zamiatina, D.A., Zamyatin, D.A., Mikhalevskii, G.B. (2022): Ballen Quartz in Jänisjärvi Impact Melt Rock with High Concentrations of Fe, Mg, and Al: EPMA, EDS, EBSD, CL, and Raman Spectroscopy. Minerals: 12(7): 886. https://doi.org/10.3390/min12070886
Zamiatina, D.A., Zamyatin, D.A., Mikhalevskii, G.B., Chebikin, N.S. (2023): Silica Polymorphs Formation in the Jänisjärvi Impact Structure: Tridymite, Cristobalite, Quartz, Trace Stishovite and Coesite. Minerals: 13: 686.

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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.
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