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Weixi Sb-polymetallic orefield, Weixi County, Dêqên Autonomous Prefecture, Yunnan, Chinai
Regional Level Types
Weixi Sb-polymetallic orefieldOre Field
Weixi CountyCounty
Dêqên Autonomous PrefecturePrefecture
YunnanProvince
ChinaCountry

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Latitude & Longitude (WGS84):
27° North , 99° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~67km
GRN:
N19E63
Type:
Ore Field
Köppen climate type:
Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Mindat Locality ID:
451916
Long-form identifier:
mindat:1:2:451916:7
GUID (UUID V4):
0


The Weixi Sb-polymetallic orefield (∼30 km northwest of Weixi County) lies in the middle part of the Sanjiang ore belt, and between the Changdu and Lanping basin. The orefield contains over 20 small to medium Sb deposits/prospects, including the Shangnuluo, Baiji, Hagudi, Gepoluo, Aduodi, Shimenduo, Ananduotang, and Shaomidi, with over 200 thousand metric tonnes of Sb reserve. Local exposed strata are Devonian to Quaternary (Fig. 1c), comprising (from old to young): Devonian limestone and dolomite; Permian gneiss, granulite, and quartz/biotite schist; Permian slate intercalated with meta-sandstone, limestone, and andesite; Upper Triassic Shanglan Formation biotite-sericite schist intercalated with phyllite, slate, and limestone; Pantiange Formation basalt, Cuiyibi Formation siltstone, mudstone, tuff, altered rhyolite intercalated with basalt and limestone; Shizhongshan Formation mudstone and limestone; Jurassic Huakaizuo Formation slate intercalated with sandstone and limestone; Cretaceous Jingxing Formation mudstone and sandstone; Paleogene Meile Formation purple conglomerate and arkose; Yunlong Formation marl interbedded with muddy conglomerate, sandstone, and gypsum; Neogene Sanying Formation conglomerate and claystone interbedded with lignite; Quaternary sediments.
There are three major NS-trending deep faults in the orefield, namely (from west to east) the Kangpu (F3), Yezhi-Xuelongshan (F7), and Qiuduo-Ludian. F3 and F7 are the eastern and western boundary faults, respectively, of the Jiangda-Weixi continental margin arc (Luo et al., 2013). Additionally, there are several NW-trending secondary faults, such as the Miezha (F2), Youluo (F4), Wangxiangtai (F5), Sishituo (F6), Tangshangcun (F9), Pantiange (F10), and Labadi Fault (F11), which are mostly steeply dipping reverse faults.

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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

15 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

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Arsenopyrite
Formula: FeAsS
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Boulangerite
Formula: Pb5Sb4S11
ⓘ Bournonite
Formula: PbCuSbS3
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Galena
Formula: PbS
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Jamesonite
Formula: Pb4FeSb6S14
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Sphalerite
Formula: ZnS
ⓘ Stibnite
Formula: Sb2S3
ⓘ Valentinite
Formula: Sb2O3

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘStibnite2.DB.05Sb2S3
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘBournonite2.GA.50PbCuSbS3
ⓘJamesonite2.HB.15Pb4FeSb6S14
ⓘBoulangerite2.HC.15Pb5Sb4S11
Group 4 - Oxides and Hydroxides
ⓘValentinite4.CB.55Sb2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘGypsum7.CD.40CaSO4 · 2H2O
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ MalachiteCu2(CO3)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ DolomiteCaMg(CO3)2
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ ValentiniteSb2O3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DolomiteCaMg(CO3)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ QuartzSiO2
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ BoulangeritePb5Sb4S11
Sⓘ BournonitePbCuSbS3
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ JamesonitePb4FeSb6S14
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ StibniteSb2S3
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ GypsumCaSO4 · 2H2O
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ JamesonitePb4FeSb6S14
Feⓘ PyriteFeS2
CuCopper
Cuⓘ BournonitePbCuSbS3
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
SbAntimony
Sbⓘ BoulangeritePb5Sb4S11
Sbⓘ BournonitePbCuSbS3
Sbⓘ JamesonitePb4FeSb6S14
Sbⓘ StibniteSb2S3
Sbⓘ ValentiniteSb2O3
PbLead
Pbⓘ BoulangeritePb5Sb4S11
Pbⓘ BournonitePbCuSbS3
Pbⓘ GalenaPbS
Pbⓘ JamesonitePb4FeSb6S14

Localities in this Region

China

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

[1]Liu, Yue-Fu, Qi, Hua-Wen, Lin, Wen-Jie, Qi, Lin-Kun (2025) Formation of the Miocene Weixi Sb-polymetallic mineralization in the Sanjiang Region, SW China: Insights from fluid inclusions, S-He-Ar isotopes, and zircon U-Pb geochronology. Ore Geology Reviews, 178. 106486 doi:10.1016/j.oregeorev.2025.106486
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