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Tiegelongnan porphyry-epithermal Cu (Au) deposit, Duolong ore field, Gêrzê Co., Ngari, Tibet, Chinai
Regional Level Types
Tiegelongnan porphyry-epithermal Cu (Au) depositDeposit
Duolong ore fieldOre Field
Gêrzê Co.County
NgariPrefecture
TibetAutonomous Region
ChinaCountry

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Latitude & Longitude (WGS84):
32° 51' 51'' North , 83° 31' 31'' East
Latitude & Longitude (decimal):
32.86444,83.52550
GeoHash:
G#: tvg6uwv3j
GRN:
N22E51
Type:
Deposit
Köppen climate type:
ET : Tundra
Mindat Locality ID:
440708
Long-form identifier:
mindat:1:2:440708:2
GUID (UUID V4):
6a7bfe88-1ecd-4385-aeff-8988b6d304e7


The Tiegelongnan deposit is the largest copper deposit within the Duolong district, with resources of 2089 Mt grading at 0.53 % Cu, and 0.08 g/t Au. It is characterized by high sulfidation epithermal Cu (Au) mineralization associated with advanced argillic (alunite-kaolinite-dickite) alteration, overprinting a deeper porphyry Cu deposit associated with phyllic (muscovite-quartz-pyrite) and potassic (biotite) alteration. The shallow epithermal deposit consists of two pulses of hydrothermal events at ∼116 and ∼112 Ma from alunite 40Ar-39Ar geochronology, after an older porphyry deposit formed at ∼120 Ma from biotite and muscovite 40Ar-39Ar geochronology. Several pulses of granodiorite porphyry dikes intruded in the Jurassic sandstone between 121 and 116 Ma.

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


16 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:

ⓘ Alunite
Formula: KAl3(SO4)2(OH)6
ⓘ Anhydrite
Formula: CaSO4
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Dickite
Formula: Al2(Si2O5)(OH)4
ⓘ Digenite
Formula: Cu9S5
ⓘ Enargite
Formula: Cu3AsS4
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Molybdenite
Formula: MoS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘDigenite2.BA.10Cu9S5
ⓘBornite2.BA.15Cu5FeS4
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
ⓘEnargite2.KA.05Cu3AsS4
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘAlunite7.BC.10KAl3(SO4)2(OH)6
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘDickite9.ED.05Al2(Si2O5)(OH)4
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Chlorite Group'-
ⓘ'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ⓘ AluniteKAl3(SO4)2(OH)6
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ DickiteAl2(Si2O5)(OH)4
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ AluniteKAl3(SO4)2(OH)6
Oⓘ AnhydriteCaSO4
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ DickiteAl2(Si2O5)(OH)4
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
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
AlAluminium
Alⓘ AluniteKAl3(SO4)2(OH)6
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ DickiteAl2(Si2O5)(OH)4
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ DickiteAl2(Si2O5)(OH)4
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
SSulfur
Sⓘ AluniteKAl3(SO4)2(OH)6
Sⓘ AnhydriteCaSO4
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ DigeniteCu9S5
Sⓘ EnargiteCu3AsS4
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
KPotassium
Kⓘ AluniteKAl3(SO4)2(OH)6
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AnhydriteCaSO4
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ GypsumCaSO4 · 2H2O
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ PyriteFeS2
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ DigeniteCu9S5
Cuⓘ EnargiteCu3AsS4
Cuⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
AsArsenic
Asⓘ EnargiteCu3AsS4
Asⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
MoMolybdenum
Moⓘ MolybdeniteMoS2

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

[1]Yang, Chao, Beaudoin, Georges, Song, Yang, Tang, Ju-Xing, Wang, Yi-Yun, Buret, Yannick, Huang, Xiao-Wen, Lang, Xing-Hai, Lin, Bin (2024) Geochemistry of hydrothermal and stream sedimentary rutile in the Tiegelongnan porphyry-epithermal Cu (Au) deposit, Tibet: A tool for exploration. Ore Geology Reviews, 167. 105970 doi:10.1016/j.oregeorev.2024.105970
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