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Pianyanzi Au deposit, Kangding County, Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture), Sichuan, Chinai
Regional Level Types
Pianyanzi Au depositDeposit
Kangding CountyCounty
Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture)Prefecture
SichuanProvince
ChinaCountry

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Latitude & Longitude (WGS84):
30° 6' North , 101° 59' East
Latitude & Longitude (decimal):
30.10000,101.98333
GRN:
N21E63
Type:
Deposit
Köppen climate type:
Dwc : Monsoon-influenced subarctic climate
Nearest Settlements:
PlacePopulationDistance
Kangding100,000 (2018)11.2km
Mindat Locality ID:
147050
Long-form identifier:
mindat:1:2:147050:8
GUID (UUID V4):
0


Sellaite-quartz vein-type gold deposit.
The Pianyanzi deposit (>5 t Au @ 2.5 g/t) is located 6 km north of Kangding City in western Sichuan Province, Southwest China. It has a long history of sporadic mining dating back ∼ 100 years, but the amount of Au ores extracted during the early period is unknown, and therefore the size of the deposit has been underestimated.
The exposed strata of the Pianyanzi deposit mainly consist, from oldest to youngest, of the Ediacaran Doushantuo and Dengying Formations, the Silurian Maoxian Group, and the upper Triassic Hanfengya Formation. The Doushantuo Formation is exposed in the southeastern part of the mining area and is mainly composed of fine-grained limestone. The Dengying Formation can be divided into two units: (1) the lower unit of fine-grained dolomitic limestone; and (2) the upper unit of fine-grained dolomite and algal-rich dolomite. The upper unit of the Dengying Formation hosts the gold ore bodies. The Maoxian Group comprises crystalline limestone, slate and phyllite, which are exposed in the western part of the deposit. The Hanfengya Formation crops out in the southeast corner of the deposit and consists of sericitic phyllite interbedded with sandy slate.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


21 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:

ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Bournonite
Formula: PbCuSbS3
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Enargite
Formula: Cu3AsS4
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Geocronite
Formula: Pb14Sb6S23
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Limonite'
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Native Sulphur
Formula: S8
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Sellaite
Formula: MgF2
ⓘ Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘBournonite2.GA.50PbCuSbS3
ⓘGeocronite2.JB.30aPb14Sb6S23
ⓘEnargite2.KA.05Cu3AsS4
Group 3 - Halides
ⓘSellaite3.AB.15MgF2
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ CalciteCaCO3
Oⓘ DolomiteCaMg(CO3)2
Oⓘ HematiteFe2O3
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
FFluorine
Fⓘ FluoriteCaF2
Fⓘ SellaiteMgF2
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ SellaiteMgF2
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ BournonitePbCuSbS3
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ EnargiteCu3AsS4
Sⓘ GalenaPbS
Sⓘ GeocronitePb14Sb6S23
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Native SulphurS8
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ FluoriteCaF2
Caⓘ ScheeliteCa(WO4)
FeIron
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ PyriteFeS2
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ BournonitePbCuSbS3
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ EnargiteCu3AsS4
Cuⓘ MalachiteCu2(CO3)(OH)2
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ EnargiteCu3AsS4
SbAntimony
Sbⓘ BournonitePbCuSbS3
Sbⓘ GeocronitePb14Sb6S23
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ BournonitePbCuSbS3
Pbⓘ GalenaPbS
Pbⓘ GeocronitePb14Sb6S23

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian 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

Weifan Ding (1983): Sellaite from Kangding, Sichuan Province. Acta Mineralogica Sinica 3(3), 193-197.
Luo Hongshu, Mao Yuyuan, Lu Yan et al. (1987): The Geology of Pianyanzi Sellaite Type Gold Deposit, Kangding County, Sichuan Province. Chengdu: Sichuan Science and Technology Publishing House, 174 (in Chinese with English abstract).
Zhifen Li (1987): A new variety of gold - chromaurite. Journal of Mineralogy and Petrology 8(2), 1-7.
Baohua Li and Jianming Cai (1995): Physicochemical conditions of mineralization and the transportation and deposition of Au in Pianyanzi gold deposit. Journal of Chengdu University of Technology 36(2).
Denghong Wang, Yuchuan Chen, Jue Xu, Jianmin Yang, Chunji Xue, and Shenghao Yan (2000): Cenozoic Mineralization in China, as a Key to Past Mineralization and a Clue to Future Prospecting. Acta Geologica Sinica 74(3), 478-484.
[1]Pei, Qiu-Ming, Li, Cheng-Hong, Ma, Shao-Bing, Liang, Yi, Cao, Hua-Wen, Ge, Hang-Fei, Shen, Jia-Le, Safonova, Inna (2024) A rare sellaite-bearing orogenic gold deposit at Pianyanzi, Yangtze Craton: Ore genesis as implied from in-situ studies of pyrite. Ore Geology Reviews, 165. 105866 doi:10.1016/j.oregeorev.2023.105866
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