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Banjiaoyuan Sn deposit, Qiyang Co., Yongzhou, Hunan, Chinai
Regional Level Types
Banjiaoyuan Sn depositDeposit
Qiyang Co.County
YongzhouPrefecture-level City
HunanProvince
ChinaCountry

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Latitude & Longitude (WGS84):
26° 25' 5'' North , 112° 7' 36'' East
Latitude & Longitude (decimal):
26.41811,112.12692
GeoHash:
G#: wkxwr922d
GRN:
N18E72
Type:
Deposit
KΓΆppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Bojia25,000 (2011)16.7km
Wuxi66,442 (2014)32.4km
Hongqiao58,287 (2012)39.0km
Hengyang759,602 (2018)71.6km
Mindat Locality ID:
427455
Long-form identifier:
mindat:1:2:427455:4
GUID (UUID V4):
1e454120-da41-487d-99bf-c55822567e59


Total of 11 quartz-vein-type ore veins with different strike directions have been found in this deposit, and can be divided into two groups, i.e., 3 are nearly NS-trending, and the other 8 are NE-trending. All the veins are controlled by faults, and cut across the intrusions. They have length of 500–1060 m, depth of 200–500 m, thickness of 0.45–2.15 m, and average ore grade of 0.48 wt% of Sn.

It is a quartz vein type tin deposit with great resource potential confirmed by geological investigation in recent years. The mining area has a long history of private mining. The longest tunnel is more than 2 km long, with the total length of tens of kilometers. The loss of historical tin mining resource reserves is more than 20,000 tons, and the retaining tin resource reserves are more than 10,000 tons. Overall, the resource reserves of this deposit reached medium size.

The stratigraphy of the mine area is mainly Ordovician, widely distributed in the uplifted section around the Yangmingshan composite granite pluton, which can be divided into the Qiaotingzi Formation (O1q), Yanxi Formation (O2y) and Tianmashan Formation (O3tm) from the bottom upward according to lithological assemblage. It mainly consists of a set of thick shallow metamorphic sandstone, slate and carbonaceous slate in the shallow marine phase. The Late Ordovician Tianmashan Formation (O3tm), whose lithology is dark gray medium-thick laminated weakly metamorphosed fine sandstone with slate, is exposed within the mine area, distributed around the granite body, with brittle lithology and developed joints and fissures, which is one of the enclosing rocks of the tin vein. Thirteen ore veins have been found in the mining area.
The mineralization of the Banjiaoyuan tin deposit can be divided into three stages: greisen (I), cassiterite-quartz vein (II), and late barren quartz vein (III). The muscovite 40Ar/39Ar plateau age of stage I (215.51 Β± 0.87 Ma), quartz fluid inclusion Rb-Sr isochron age of stage II (214.2 Β± 3.1 Ma) and cassiterite U-Pb lower intercept age (215.7 Β± 1.3 Ma) indicate that they are the products of late Indosinian tectonic magmatism.

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


16 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:

β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ Arsenopyrite
Formula: FeAsS
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“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ 'Chlorite Group'
β“˜ Covellite
Formula: CuS
β“˜ 'Feldspar Group'
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ 'K Feldspar'
β“˜ 'Limonite'
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
β“˜ Pyrite
Formula: FeS2
β“˜ Pyrrhotite
Formula: Fe1-xS
β“˜ Quartz
Formula: SiO2
β“˜ Rutile
Formula: TiO2
β“˜ Scheelite
Formula: Ca(WO4)
β“˜ Sphalerite
Formula: ZnS
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
β“˜ 'Wolframite Group'
β“˜ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Bornite2.BA.15Cu5FeS4
β“˜Covellite2.CA.05aCuS
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Pyrrhotite2.CC.10Fe1-xS
β“˜Pyrite2.EB.05aFeS2
β“˜Arsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Quartz4.DA.05SiO2
β“˜Cassiterite4.DB.05SnO2
β“˜Rutile4.DB.05TiO2
β“˜'Wolframite Group'4.DB.30 va
Group 5 - Nitrates and Carbonates
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
β“˜'Chlorite Group'-
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Limonite'-
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
β“˜'K Feldspar'-
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)
β“˜'Feldspar Group'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ MalachiteCu2(CO3)(OH)2
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cβ“˜ MalachiteCu2(CO3)(OH)2
OOxygen
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CassiteriteSnO2
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ RutileTiO2
Oβ“˜ ScheeliteCa(WO4)
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
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
AlAluminium
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sβ“˜ ArsenopyriteFeAsS
Sβ“˜ BorniteCu5FeS4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ CovelliteCuS
Sβ“˜ PyriteFeS2
Sβ“˜ PyrrhotiteFe1-xS
Sβ“˜ SphaleriteZnS
ClChlorine
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ ScheeliteCa(WO4)
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ IlmeniteFe2+TiO3
Tiβ“˜ RutileTiO2
FeIron
Feβ“˜ ArsenopyriteFeAsS
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ PyriteFeS2
Feβ“˜ PyrrhotiteFe1-xS
CuCopper
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ CovelliteCuS
Cuβ“˜ MalachiteCu2(CO3)(OH)2
ZnZinc
Znβ“˜ SphaleriteZnS
AsArsenic
Asβ“˜ ArsenopyriteFeAsS
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
SnTin
Snβ“˜ CassiteriteSnO2
WTungsten
Wβ“˜ ScheeliteCa(WO4)

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Yangtze PlateTectonic Plate

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

Du, Y., Lu, Y., Zhang, Z., Fu, J., Yang, X., Zhao, Z., ... & Ma, L. (2022). Indosinian magmatism and mineralization in the Banjiaoyuan tin deposit, middle Nanling Range, South China: Constraints from zircon and cassiterite U-Pb ages, geochemistry and Sr-Nd-Hf isotopic compositions. Ore Geology Reviews, 105190.
[2]Zhang, Zunzun, Xu, Guofeng, Lu, Youyue, Liu, Lei, Hu, Tianyang, Zhang, Tuyan, Du, Yun, Fu, Jianming, Zhang, Kun, Dai, Pingyun (2024) Geochronology and geochemistry of the Banjiaoyuan tin deposit, southern Hunan Province and its geological implications. Ore Geology Reviews, 168. 106038 doi:10.1016/j.oregeorev.2024.106038
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