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Yushishan Au deposit, Aksai Co., Jiuquan, Gansu, Chinai
Regional Level Types
Yushishan Au depositDeposit
Aksai Co.County
JiuquanPrefecture-level City
GansuProvince
ChinaCountry

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Latitude & Longitude (WGS84):
39° 16' 30'' North , 93° 26' 0'' East
Latitude & Longitude (decimal):
39.27500,93.43333
GRN:
N27E52
Type:
Deposit
Köppen climate type:
BWk : Cold desert climate
Mindat Locality ID:
437730
Long-form identifier:
mindat:1:2:437730:9
GUID (UUID V4):
0


For the Yushishan gold deposit, it exposes the mainly host rock of Early Paleozoic Lapeiquan Formation that composes of meta-volcanic rock, clastic rock, carbonate, mylonite. At present, a total of 13 orebodies are found in the mining district and strike nearly NW-NWW and dip north, which can be divided into the altered-rock type and quartz-vein type. The altered-rock type gold deposits are characterized by disseminated and stockwork ores hosted in highly altered and fractured wall rock zones along first-order regional faults with the E-W or NEE-SWW direction. The quartz-vein type deposits mainly host Au-Ag-Zn-Pb-Fe-Cu mineralization, which is characterized by massive auriferous quartz veins hosted in second or third-order faults. Ferritization, silification and malachition are important prospecting signs and generally occur at the fractured zones. As a whole, the gold resources total quantity is 3.2 t, with Au grade showing a range of 1.02 g/t to 23.70 g/t, but the extensions of the orebodies are not completely controlled, the prospecting potential is still very promise at depth.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Commodity List

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


Mineral List


18 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 ListTree Diagram

Detailed Mineral List:

ⓘ'Apatite'
Formula:Ca5(PO4)3(Cl/F/OH)
ⓘAzurite
Formula:Cu3(CO3)2(OH)2
ⓘCalcite
Formula:CaCO3
ⓘChalcopyrite
Formula:CuFeS2
ⓘFluorite
Formula:CaF2
ⓘGalena
Formula:PbS
ⓘGraphite
Formula:C
ⓘIlmenite
Formula:Fe2+TiO3
ⓘ'K Feldspar'
ⓘMagnetite
Formula:Fe2+Fe3+2O4
ⓘMalachite
Formula:Cu2(CO3)(OH)2
ⓘ'Monazite Group'
Formula:REE(PO4)
ⓘNative Gold
Formula:Au
ⓘNative Gold var. Electrum
Formula:(Au,Ag)
ⓘNative Silver
Formula:Ag
ⓘ'Plagioclase'
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
ⓘPolybasite
Formula:[Ag6Sb2S7][Ag9CuS4]
ⓘPyrite
Formula:FeS2
ⓘQuartz
Formula:SiO2
ⓘRutile
Formula:TiO2
ⓘSphalerite
Formula:ZnS
ⓘ'Xenotime'
ⓘZincite
Formula:ZnO
ⓘZircon
Formula:Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold
var. Electrum		1.AA.05(Au,Ag)
ⓘ1.AA.05Au
ⓘNative Silver1.AA.05Ag
ⓘGraphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘPolybasite2.GB.15[Ag6Sb2S7][Ag9CuS4]
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘZincite4.AB.20ZnO
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
Unclassified
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Xenotime'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
HⓘAzuriteCu3(CO3)2(OH)2
HⓘMalachiteCu2(CO3)(OH)2
HⓘApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
CⓘAzuriteCu3(CO3)2(OH)2
CⓘCalciteCaCO3
CⓘGraphiteC
CⓘMalachiteCu2(CO3)(OH)2
OOxygen
OⓘAzuriteCu3(CO3)2(OH)2
OⓘCalciteCaCO3
OⓘIlmeniteFe2+TiO3
OⓘMagnetiteFe2+Fe23+O4
OⓘMalachiteCu2(CO3)(OH)2
OⓘMonazite GroupREE(PO4)
OⓘQuartzSiO2
OⓘRutileTiO2
OⓘZinciteZnO
OⓘZirconZr(SiO4)
OⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
OⓘApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
FⓘFluoriteCaF2
FⓘApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
NaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
AlⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
SiⓘQuartzSiO2
SiⓘZirconZr(SiO4)
SiⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
PⓘMonazite GroupREE(PO4)
PⓘApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
SⓘChalcopyriteCuFeS2
SⓘGalenaPbS
SⓘPolybasite[Ag6Sb2S7][Ag9CuS4]
SⓘPyriteFeS2
SⓘSphaleriteZnS
ClChlorine
ClⓘApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
CaⓘCalciteCaCO3
CaⓘFluoriteCaF2
CaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CaⓘApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
TiⓘIlmeniteFe2+TiO3
TiⓘRutileTiO2
FeIron
FeⓘChalcopyriteCuFeS2
FeⓘIlmeniteFe2+TiO3
FeⓘMagnetiteFe2+Fe23+O4
FeⓘPyriteFeS2
CuCopper
CuⓘAzuriteCu3(CO3)2(OH)2
CuⓘChalcopyriteCuFeS2
CuⓘMalachiteCu2(CO3)(OH)2
CuⓘPolybasite[Ag6Sb2S7][Ag9CuS4]
ZnZinc
ZnⓘSphaleriteZnS
ZnⓘZinciteZnO
ZrZirconium
ZrⓘZirconZr(SiO4)
AgSilver
AgⓘNative Gold var.Electrum(Au,Ag)
AgⓘPolybasite[Ag6Sb2S7][Ag9CuS4]
AgⓘNative SilverAg
SbAntimony
SbⓘPolybasite[Ag6Sb2S7][Ag9CuS4]
AuGold
AuⓘNative Gold var.Electrum(Au,Ag)
AuⓘNative GoldAu
PbLead
PbⓘGalenaPbS

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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

[1]Li, Xiaowen; Cao, Shuyun; Zhou, Dingkui; Liu, Jianhua; Jiang, Shaoyong; Li, Wenxuan; Cheng, Xuemei; Bai, Jie; Wu, Yu (2023) Deformation and mineralizing fluid circulation of gold-silver-bearing quartz veins in the Yushishan gold deposit, Altyn Mountain, northwestern China.Ore Geology Reviews, 154.doi:10.1016/j.oregeorev.2023.105339
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