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Yao'an Au-Ag deposit, Yao'an County, Chuxiong, Yunnan, Chinai
| Regional Level Types | |
|---|---|
| Yao'an Au-Ag deposit | Deposit |
| Yao'an County | County |
| Chuxiong | Prefecture |
| Yunnan | Province |
| China | Country |
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Latitude & Longitude (WGS84):
25° 23' 10'' North , 101° 13' 10'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Name(s) in local language(s):
姚安金银矿, 姚安县, 楚雄彝族自治州, 云南省, 中国
The Yao’an porphyry–epithermal Pb–Ag–Au deposit occurs in the intracontinental zone. As of 2023, two deposits have been explored in the Yao’an district: the Laojiezi Pb–Ag deposit and the Gan’gou Au (–Cu) deposit. The former contains 2.8 × 106 t of Pb (with an average grade of 2.7 %) and 127 t of Ag (with an average grade of 33 g/t). It consisted of stratiform or vein-like epithermal Pb–Ag mineralization along fractures and secondary fissures in volcanic rocks or explosion breccia pipes. Pb–Ag–Mo mineralized in the form of veins in the contact zone between the porphyry and surrounding rocks and Cu–Mo mineralization anomalies occurred in deeper porphyry rocks. Moreover, it has been estimated that the Gan’gou Au (–Cu) deposit contains ∼10 t of Au with a grade of 4–5 g/t, with pyrite, chalcopyrite, and hematite comprising veins as the main Au-bearing minerals. Generally, Au mineralization occurs within the cataclastic zones of altered syenite porphyry and mudstone.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
34 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Bornite | 2.BA.15 | Cu5FeS4 |
| ⓘ | Acanthite | 2.BA.35 | Ag2S |
| ⓘ | Hessite | 2.BA.60 | Ag2Te |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Bismuthinite | 2.DB.05 | Bi2S3 |
| ⓘ | Tetradymite | 2.DC.05 | Bi2Te2S |
| ⓘ | Tsumoite | 2.DC.05 | BiTe |
| ⓘ | Calaverite | 2.EA.10 | AuTe2 |
| ⓘ | Melonite | 2.EA.20 | NiTe2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Emplectite | 2.HA.05 | CuBiS2 |
| ⓘ | Aikinite | 2.HB.05a | PbCuBiS3 |
| ⓘ | Friedrichite | 2.HB.05a | Pb5Cu5Bi7S18 |
| ⓘ | Krupkaite | 2.HB.05a | PbCuBi3S6 |
| ⓘ | Lindströmite | 2.HB.05a | Pb3Cu3Bi7S15 |
| ⓘ | Paarite | 2.HB.05a | Pb1.7Cu1.7Bi6.3S12 |
| ⓘ | Cuprobismutite | 2.JA.10a | Cu8AgBi13S24 |
| ⓘ | Hodrušite | 2.JA.10c | Cu8Bi12S22 |
| ⓘ | Padĕraite | 2.JA.10e | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
| ⓘ | Matildite | 2.JA.20 | AgBiS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | var. Specularite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| ⓘ | Orthoclase | 9.FA.30 | K(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'Calcium Amphibole Subgroup var. Hornblende' | - | AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Monazite Group' | - | REE(PO4) |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'K Feldspar' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Calcium Amphibole Subgroup' | - | AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| ⓘ | 'Allanite Group' | - | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Calcium Amphibole Subgroup var. Hornblende | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| H | ⓘ Calcium Amphibole Subgroup | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| H | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Calcium Amphibole Subgroup var. Hornblende | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Monazite Group | REE(PO4) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Orthoclase | K(AlSi3O8) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Titanite | CaTi(SiO4)O |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Hematite var. Specularite | Fe2O3 |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | ⓘ Calcium Amphibole Subgroup | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| O | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Calcium Amphibole Subgroup var. Hornblende | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | ⓘ Calcium Amphibole Subgroup | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Calcium Amphibole Subgroup var. Hornblende | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Orthoclase | K(AlSi3O8) |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | ⓘ Calcium Amphibole Subgroup | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| Si | Silicon | |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Calcium Amphibole Subgroup var. Hornblende | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Orthoclase | K(AlSi3O8) |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Titanite | CaTi(SiO4)O |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Calcium Amphibole Subgroup | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| Si | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
| P | Phosphorus | |
| P | ⓘ Monazite Group | REE(PO4) |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Acanthite | Ag2S |
| S | ⓘ Aikinite | PbCuBiS3 |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Bismuthinite | Bi2S3 |
| S | ⓘ Bornite | Cu5FeS4 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Cuprobismutite | Cu8AgBi13S24 |
| S | ⓘ Emplectite | CuBiS2 |
| S | ⓘ Friedrichite | Pb5Cu5Bi7S18 |
| S | ⓘ Galena | PbS |
| S | ⓘ Hodrušite | Cu8Bi12S22 |
| S | ⓘ Krupkaite | PbCuBi3S6 |
| S | ⓘ Lindströmite | Pb3Cu3Bi7S15 |
| S | ⓘ Matildite | AgBiS2 |
| S | ⓘ Padĕraite | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Tetradymite | Bi2Te2S |
| S | ⓘ Paarite | Pb1.7Cu1.7Bi6.3S12 |
| Cl | Chlorine | |
| Cl | ⓘ Calcium Amphibole Subgroup var. Hornblende | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | ⓘ Calcium Amphibole Subgroup | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| K | Potassium | |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Orthoclase | K(AlSi3O8) |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Calcium Amphibole Subgroup var. Hornblende | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| Ca | ⓘ Titanite | CaTi(SiO4)O |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | ⓘ Calcium Amphibole Subgroup | AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2 |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Titanite | CaTi(SiO4)O |
| Fe | Iron | |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Bornite | Cu5FeS4 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Hematite var. Specularite | Fe2O3 |
| Ni | Nickel | |
| Ni | ⓘ Melonite | NiTe2 |
| Cu | Copper | |
| Cu | ⓘ Aikinite | PbCuBiS3 |
| Cu | ⓘ Bornite | Cu5FeS4 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Cuprobismutite | Cu8AgBi13S24 |
| Cu | ⓘ Emplectite | CuBiS2 |
| Cu | ⓘ Friedrichite | Pb5Cu5Bi7S18 |
| Cu | ⓘ Hodrušite | Cu8Bi12S22 |
| Cu | ⓘ Krupkaite | PbCuBi3S6 |
| Cu | ⓘ Lindströmite | Pb3Cu3Bi7S15 |
| Cu | ⓘ Padĕraite | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
| Cu | ⓘ Paarite | Pb1.7Cu1.7Bi6.3S12 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Ag | Silver | |
| Ag | ⓘ Acanthite | Ag2S |
| Ag | ⓘ Cuprobismutite | Cu8AgBi13S24 |
| Ag | ⓘ Hessite | Ag2Te |
| Ag | ⓘ Matildite | AgBiS2 |
| Ag | ⓘ Padĕraite | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
| Te | Tellurium | |
| Te | ⓘ Calaverite | AuTe2 |
| Te | ⓘ Hessite | Ag2Te |
| Te | ⓘ Melonite | NiTe2 |
| Te | ⓘ Tetradymite | Bi2Te2S |
| Te | ⓘ Tsumoite | BiTe |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| Au | Gold | |
| Au | ⓘ Calaverite | AuTe2 |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Aikinite | PbCuBiS3 |
| Pb | ⓘ Friedrichite | Pb5Cu5Bi7S18 |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Krupkaite | PbCuBi3S6 |
| Pb | ⓘ Lindströmite | Pb3Cu3Bi7S15 |
| Pb | ⓘ Padĕraite | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
| Pb | ⓘ Paarite | Pb1.7Cu1.7Bi6.3S12 |
| Bi | Bismuth | |
| Bi | ⓘ Aikinite | PbCuBiS3 |
| Bi | ⓘ Bismuthinite | Bi2S3 |
| Bi | ⓘ Cuprobismutite | Cu8AgBi13S24 |
| Bi | ⓘ Emplectite | CuBiS2 |
| Bi | ⓘ Friedrichite | Pb5Cu5Bi7S18 |
| Bi | ⓘ Hodrušite | Cu8Bi12S22 |
| Bi | ⓘ Krupkaite | PbCuBi3S6 |
| Bi | ⓘ Lindströmite | Pb3Cu3Bi7S15 |
| Bi | ⓘ Matildite | AgBiS2 |
| Bi | ⓘ Padĕraite | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
| Bi | ⓘ Tetradymite | Bi2Te2S |
| Bi | ⓘ Tsumoite | BiTe |
| Bi | ⓘ Paarite | Pb1.7Cu1.7Bi6.3S12 |
Other Regions, Features and Areas containing this locality
AsiaContinent
China
- Sichuan-Yunnan-Guizhou Li Mineral BeltMineral Belt
- ⭔Southwest ChinaRegion
- Yunnan
Eurasian PlateTectonic Plate
- Western Yangtze CratonCraton
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References
Bi, Xianwu, Hu, Ruizhong, Cornell, Dave Hugh (2004) The alkaline porphyry associated Yao'an gold deposit, Yunnan, China: rare earth element and stable isotope evidence for magmatic-hydrothermal ore formation. Mineralium Deposita, 39 (1). 21-30 doi:10.1007/s00126-003-0374-z
Hou, Zengqian, Zeng, Pusheng, Gao, Yongfeng, Du, Andao, Fu, Deming (2006) Himalayan Cu–Mo–Au mineralization in the eastern Indo–Asian collision zone: constraints from Re–Os dating of molybdenite. Mineralium Deposita, 41 (1) 33-45 doi:10.1007/s00126-005-0038-2
[1]Yan, Qinggao; Jiang, Xiaojun; Li, Wenchang; Li, Chao; Yang, Fucheng (2024) Genesis of alkaline porphyries and associated Cu–Au–Pb–Ag polymetallic mineralization in an intracontinental transpression setting: Example from the Yao’an volcano-plutonic complex in western Yangtze Craton, SW China. Ore Geology Reviews, 165. doi:10.1016/j.oregeorev.2024.105922