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Janchivlan complex, Janchivlan, Nailakh Soum, TΓΆv Province, Mongoliai
Regional Level Types
Janchivlan complexComplex
Janchivlan- not defined -
Nailakh Soum- not defined -
TΓΆv ProvinceProvince
MongoliaCountry

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Latitude & Longitude (WGS84):
47° 32' 59'' North , 107° 34' 59'' East
Latitude & Longitude (decimal):
47.55000,107.58333
GeoHash:
G#: y2kw805yc
GRN:
N32E53
Type:
Complex
KΓΆppen climate type:
BSk : Cold semi-arid (steppe) climate
Mindat Locality ID:
229027
Long-form identifier:
mindat:1:2:229027:3
GUID (UUID V4):
6b0202ea-0b9a-48b5-a519-3d9a52df640f


Multistage granitic pluton with an outcrop area of about 1000 km2, intruded into a Devonian-Carboniferous accretionary complex and Cambrian metasedimentary sequences. The first stages consist of two-mica granites and alaskites which are preserved in the core of the pluton. The late stages include miarolitic pegmatites, tin greisens and Li-F granites which crystallized from highly differentiated Sn-Ta-Nb-Li-rich magmas. All of the different granitoids contain tantalum, niobium and REE-bearing accessory minerals in varying proportions.
In the immediate vicinity of the Janchivlan intrusion, there are about 20 placer deposits, which host mainly cassiterite but also have wolframite, topaz, monazite, fluorite, zircon and Nb-Ta oxides. Some of the placers extend up to 5–10 km in length and their width reaches up to 500 m; the heavy mineral-bearing horizon is 0.5 to 15 m thick.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

24 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
β“˜ 'Alkali Feldspar'
β“˜ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Cassiterite
Formula: SnO2
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ 'Chlorite Group'
β“˜ 'Columbite-(Fe)-Columbite-(Mn) Series'
β“˜ 'Columbite-Tantalite'
β“˜ Fluorapatite
Formula: Ca5(PO4)3F
β“˜ Fluorite
Formula: CaF2
β“˜ Galena
Formula: PbS
β“˜ Hematite
Formula: Fe2O3
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
β“˜ 'K Feldspar'
β“˜ 'Lepidolite'
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Microcline
Formula: K(AlSi3O8)
β“˜ Microcline var. Amazonite
Formula: K(AlSi3O8)
β“˜ 'Microlite Group'
Formula: A2-mTa2X6-wZ-n
β“˜ Molybdenite
Formula: MoS2
β“˜ 'Monazite'
Formula: REE(PO4)
β“˜ Monazite-(Ce)
Formula: Ce(PO4)
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
β“˜ Pyrite
Formula: FeS2
β“˜ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
β“˜ Quartz
Formula: SiO2
β“˜ Sphalerite
Formula: ZnS
β“˜ Talc
Formula: Mg3Si4O10(OH)2
β“˜ Thorite
Formula: Th(SiO4)
β“˜ Thorite var. Orangite
Formula: Th(SiO4)
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ Topaz
Formula: Al2(SiO4)(F,OH)2
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
β“˜ 'Wolframite Group'
β“˜ 'Zinnwaldite'
β“˜ Zircon
Formula: Zr(SiO4)
β“˜ Zircon var. Cyrtolite
Formula: Zr[(SiO4),(OH)4]
β“˜ Zircon var. Malacon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Bornite2.BA.15Cu5FeS4
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Galena2.CD.10PbS
β“˜Molybdenite2.EA.30MoS2
β“˜Pyrite2.EB.05aFeS2
Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
β“˜'Microlite Group'4.00.A2-mTa2X6-wZ-n
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Hematite4.CB.05Fe2O3
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Quartz4.DA.05SiO2
β“˜Cassiterite4.DB.05SnO2
β“˜'Wolframite Group'4.DB.30 va
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Monazite-(Ce)8.AD.50Ce(PO4)
β“˜Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Thorite9.AD.30Th(SiO4)
β“˜Zircon
var. Cyrtolite		9.AD.30Zr[(SiO4),(OH)4]
β“˜var. Malacon9.AD.30Zr(SiO4)
β“˜Thorite
var. Orangite		9.AD.30Th(SiO4)
β“˜Topaz9.AF.35Al2(SiO4)(F,OH)2
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Allanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
β“˜Talc9.EC.05Mg3Si4O10(OH)2
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Phengite9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
β“˜Microcline
var. Amazonite		9.FA.30K(AlSi3O8)
β“˜9.FA.30K(AlSi3O8)
β“˜Albite
var. Oligoclase		9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
β“˜9.FA.35Na(AlSi3O8)
Unclassified
β“˜'Lepidolite'-
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
β“˜'Monazite'-REE(PO4)
β“˜'Chlorite Group'-
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Columbite-(Fe)-Columbite-(Mn) Series'-
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
β“˜'K Feldspar'-
β“˜'Columbite-Tantalite'-
β“˜'Alkali Feldspar'-
β“˜'Zinnwaldite'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Hβ“˜ Pyrochlore GroupA2Nb2(O,OH)6Z
Hβ“˜ TalcMg3Si4O10(OH)2
Hβ“˜ TopazAl2(SiO4)(F,OH)2
Hβ“˜ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
BBoron
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CassiteriteSnO2
Oβ“˜ FluorapatiteCa5(PO4)3F
Oβ“˜ HematiteFe2O3
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ MonaziteREE(PO4)
Oβ“˜ Monazite-(Ce)Ce(PO4)
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oβ“˜ Thorite var. OrangiteTh(SiO4)
Oβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Oβ“˜ Pyrochlore GroupA2Nb2(O,OH)6Z
Oβ“˜ QuartzSiO2
Oβ“˜ TalcMg3Si4O10(OH)2
Oβ“˜ ThoriteTh(SiO4)
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ TopazAl2(SiO4)(F,OH)2
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oβ“˜ Zircon var. MalaconZr(SiO4)
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ FluorapatiteCa5(PO4)3F
Fβ“˜ FluoriteCaF2
Fβ“˜ TopazAl2(SiO4)(F,OH)2
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Naβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mgβ“˜ TalcMg3Si4O10(OH)2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Alβ“˜ TopazAl2(SiO4)(F,OH)2
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siβ“˜ Thorite var. OrangiteTh(SiO4)
Siβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ TalcMg3Si4O10(OH)2
Siβ“˜ ThoriteTh(SiO4)
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ TopazAl2(SiO4)(F,OH)2
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siβ“˜ Zircon var. MalaconZr(SiO4)
PPhosphorus
Pβ“˜ FluorapatiteCa5(PO4)3F
Pβ“˜ MonaziteREE(PO4)
Pβ“˜ Monazite-(Ce)Ce(PO4)
SSulfur
Sβ“˜ BorniteCu5FeS4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ GalenaPbS
Sβ“˜ MolybdeniteMoS2
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
KPotassium
Kβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
CaCalcium
Caβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caβ“˜ FluorapatiteCa5(PO4)3F
Caβ“˜ FluoriteCaF2
Caβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ IlmeniteFe2+TiO3
Tiβ“˜ TitaniteCaTi(SiO4)O
FeIron
Feβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ HematiteFe2O3
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Feβ“˜ PyriteFeS2
CuCopper
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ ChalcopyriteCuFeS2
ZnZinc
Znβ“˜ SphaleriteZnS
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
Zrβ“˜ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Zrβ“˜ Zircon var. MalaconZr(SiO4)
NbNiobium
Nbβ“˜ Pyrochlore GroupA2Nb2(O,OH)6Z
MoMolybdenum
Moβ“˜ MolybdeniteMoS2
SnTin
Snβ“˜ CassiteriteSnO2
CeCerium
Ceβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ceβ“˜ Monazite-(Ce)Ce(PO4)
TaTantalum
Taβ“˜ Microlite GroupA2-mTa2X6-wZ-n
PbLead
Pbβ“˜ GalenaPbS
ThThorium
Thβ“˜ Thorite var. OrangiteTh(SiO4)
Thβ“˜ ThoriteTh(SiO4)

Localities in this Region

Mongolia

Other Regions, Features and Areas containing this locality

Amur PlateTectonic Plate
AsiaContinent

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

Tumenbayar, B., Batbayar, M., and Grayson, R. (2000): Tantalite-Cassiterite-Ilmenite-Monazite-Gold Placers in Mongolia (Ta, Nb, Sn, Ti, REEs, Au). World Placer Journal 1, 160-174.
Dostal, Jaroslav, and Ochir Gerel. (2022) "Occurrences of Niobium and Tantalum Mineralization in Mongolia" Minerals 12, no. 12: 1529. https://doi.org/10.3390/min12121529
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