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Jiugequan Cu deposit, Sunan Co., Zhangye, Gansu, Chinai
Regional Level Types
Jiugequan Cu depositDeposit
Sunan Co.County
ZhangyePrefecture
GansuProvince
ChinaCountry

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Latitude & Longitude:
38° North , 99° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~275km
GRN:
N26E56
Type:
Deposit
Mindat Locality ID:
145074
Long-form identifier:
mindat:1:2:145074:6
GUID (UUID V4):
0


Back-arc spreading ridge type copper deposit, hosted in volcanic rocks of the Jiugequan ophiolite.

The Jiugequan Cu deposit, located southeast of Shijuligou, is characterized by basalt and basic lava as its host rocks. The ore bodies are primarily hosted within the mafic lava and basalt of the Jiugequan ophiolite. The deposit holds an ore resource of 0.97 Mt with an average copper grade of 3.34 %.
The western ore belt extends nearly east–west, spanning 280 m in length and 10 to 60 m in width, and contains seven distinct ore bodies. In contrast, the eastern ore belt consists of two parallel mineralized zones that extend 150 m in length, with widths ranging from 5 to 40 m, and an orientation of 282°. There are three ore types including massive ore, brecciate ore and disseminated ore.

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


9 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:

ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Unclassified
ⓘ'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ QuartzSiO2
AlAluminium
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiSilicon
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ QuartzSiO2
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
FeIron
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S

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

Xia Linqi, Xia Zuchun, Ren Youxiang, Xu Xueyi, and Peng Ligui (1999): Paleosubmarine Volcanism and Mineralization from North Qilian Mountains. Journal of China University of Geosciences 10(1).
Jieren Wu, Pusheng Yu, and Bingchen Ren (2001): Geological characteristics and comprehensive metallogenic model of copper and/or zinc sulfide deposits in Shijuli area, north Qilian mountains. Mineral Deposits 20(4), 339-346.
[1]Xu, Huanchao; Sun, Xiang; Xiao, Ke; Suo, Shengjiang; Huang, Xianyi; Liu, Song; Zheng, Mingjun (2024) Classification of volcanogenic massive sulfide deposits in North Qilian, China: Evidenced from lithostratigraphy and geodynamic setting. Ore Geology Reviews, 173. doi:10.1016/j.oregeorev.2024.106228
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