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Alexandra deposit, Nguyên Bình District, Cao Bằng Province, Vietnami
Regional Level Types
Alexandra depositDeposit
Nguyên Bình DistrictDistrict
Cao Bằng ProvinceProvince
VietnamCountry

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Latitude & Longitude (WGS84):
22° 37' 30'' North , 105° 51' 59'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Thành Phố Cao Bằng41,112 (2013)40.4km
Bắc Kạn17,701 (2012)53.2km


About 20 ore veins with thicknesses of 20–80 cm and lengths of 50–400 m.

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


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:

'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
'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: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Bismuth
Formula: Bi
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Bismuthinite
Formula: Bi2S3
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Cassiterite
Formula: SnO2
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Chalcopyrite
Formula: CuFeS2
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Fluorite
Formula: CaF2
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Ilmenite
Formula: Fe2+TiO3
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
'K Feldspar'
Formula: KAlSi3O8
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Molybdenite
Formula: MoS2
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
'Monazite'
Formula: REE(PO4)
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Pyrite
Formula: FeS2
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Quartz
Formula: SiO2
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Russellite
Formula: Bi2WO6
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Scheelite
Formula: Ca(WO4)
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
'Wolframite Group'
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.
Zircon
Formula: Zr(SiO4)
Reference: Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Bismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
Bismuthinite2.DB.05Bi2S3
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Russellite4.DE.15Bi2WO6
'Wolframite Group'4.DB.30 va
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Topaz9.AF.35Al2(SiO4)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
'K Feldspar'-KAlSi3O8
'Monazite'-REE(PO4)
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
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 MuscoviteKAl2(AlSi3O10)(OH)2
H TopazAl2(SiO4)(F,OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
O ApatiteCa5(PO4)3(Cl/F/OH)
O BerylBe3Al2(Si6O18)
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 CassiteriteSnO2
O IlmeniteFe2+TiO3
O K FeldsparKAlSi3O8
O MonaziteREE(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O QuartzSiO2
O RusselliteBi2WO6
O ScheeliteCa(WO4)
O TopazAl2(SiO4)(F,OH)2
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O ZirconZr(SiO4)
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
F FluoriteCaF2
F TopazAl2(SiO4)(F,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
AlAluminium
Al BerylBe3Al2(Si6O18)
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 K FeldsparKAlSi3O8
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si BerylBe3Al2(Si6O18)
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 K FeldsparKAlSi3O8
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si QuartzSiO2
Si TopazAl2(SiO4)(F,OH)2
Si ZirconZr(SiO4)
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
P MonaziteREE(PO4)
SSulfur
S BismuthiniteBi2S3
S ChalcopyriteCuFeS2
S MolybdeniteMoS2
S PyriteFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
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 K FeldsparKAlSi3O8
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca FluoriteCaF2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca ScheeliteCa(WO4)
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
FeIron
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 ChalcopyriteCuFeS2
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
SnTin
Sn CassiteriteSnO2
WTungsten
W RusselliteBi2WO6
W ScheeliteCa(WO4)
BiBismuth
Bi BismuthBi
Bi BismuthiniteBi2S3
Bi RusselliteBi2WO6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Nguyen, D., Wang, R., Yu, J., Wang, X. L., Nguyen, Q., Pham, T., & Do, V. (2022). Geochronology and geochemistry of the PiaOac granites: Implication for Late Cretaceous magmatism and metallogeny in NE Vietnam. Ore Geology Reviews, 104727.

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian PlateTectonic Plate

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