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Laodoucun Au deposit, Dewulu Au-Cu ore field, Hezuo Co., Gannan, Gansu, Chinai
Regional Level Types
Laodoucun Au depositDeposit
Dewulu Au-Cu ore fieldOre Field
Hezuo Co.County
GannanPrefecture
GansuProvince
ChinaCountry

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Latitude & Longitude (WGS84):
35° 6' North , 103° 1' East
Latitude & Longitude (decimal):
Type:
Mindat Locality ID:
232240
Long-form identifier:
mindat:1:2:232240:0
GUID (UUID V4):
5dffcd95-b747-441e-937c-0352faf948ff
Other/historical names associated with this locality:
Laodou
Name(s) in local language(s):
θ€θ±†ζ‘ι‡‘ηŸΏεΊŠ, εΎ·δΉŒι²ι‡‘ι“œηŸΏη”°, εˆδ½œεΈ‚, η”˜ε—θ—ζ—θ‡ͺ治州, η”˜θ‚ƒηœ, δΈ­ε›½


Altered-rock type gold deposit.
Mined by the Gansu Zhongxin Mining Co. Ltd, the Laodou deposit has a proven reserve of > 20 t Au, with an average grade of 3.8–5.5 g/t. The metasedimentary rocks in Laodou, belonging to the Lower Permian Daguanshan Group, form a complex suite and vary from hornfels and marbles to argillaceous slates and polymictic conglomerates with decreasing depth.
Wall-rock alternation is universal in the Laodou deposit, and the assemblages of altered minerals and replacement textures indicate four stages of hydrothermal alteration: (1) Early alteration assemblages of K-feldspar, tourmaline, biotite and quartz associated with quartz diorite porphyry and breccia; (2) subsequent sulfidation (arsenopyrite and pyrite), sericitization, silicification and tourmalinization; (3) late alternation zones comprised of stibnite, sphalerite, chalcopyrite, smokey quartz and tourmaline overprint the earlier alternations; and (4) the final stage alteration characterized by carbonates.

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


29 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:

β“˜ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ Arsenopyrite
Formula: FeAsS
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Bournonite
Formula: PbCuSbS3
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ 'Chlorite Group'
β“˜ Covellite
Formula: CuS
β“˜ Diopside
Formula: CaMgSi2O6
β“˜ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜ Enargite
Formula: Cu3AsS4
β“˜ Foitite
Formula: ◻(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜ Galena
Formula: PbS
β“˜ 'Garnet Group'
Formula: X3Z2(SiO4)3
β“˜ Gold
Formula: Au
β“˜ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ Jamesonite
Formula: Pb4FeSb6S14
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
β“˜ KΓ«sterite
Formula: Cu2ZnSnS4
β“˜ 'K Feldspar'
β“˜ 'Limonite'
β“˜ LΓΆllingite
Formula: FeAs2
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Smoky Quartz
Formula: SiO2
β“˜ Rutile
Formula: TiO2
β“˜ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜ Sphalerite
Formula: ZnS
β“˜ Stibnite
Formula: Sb2S3
β“˜ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
β“˜ Twinnite
Formula: Pb0.8Tl0.1Sb1.3As0.8S4
β“˜ Wollastonite
Formula: Ca3(Si3O9)
β“˜ Zinkenite
Formula: Pb9Sb22S42
β“˜ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
β“˜Bornite2.BA.15Cu5FeS4
β“˜Covellite2.CA.05aCuS
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜KΓ«sterite2.CB.15aCu2ZnSnS4
β“˜Galena2.CD.10PbS
β“˜Stibnite2.DB.05Sb2S3
β“˜Pyrite2.EB.05aFeS2
β“˜LΓΆllingite2.EB.15aFeAs2
β“˜Arsenopyrite2.EB.20FeAsS
β“˜Bournonite2.GA.50PbCuSbS3
β“˜'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
β“˜Jamesonite2.HB.15Pb4FeSb6S14
β“˜Twinnite2.HC.05a Pb0.8Tl0.1Sb1.3As0.8S4
β“˜Zinkenite2.JB.35aPb9Sb22S42
β“˜Enargite2.KA.05Cu3AsS4
Group 4 - Oxides and Hydroxides
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Quartz4.DA.05SiO2
β“˜var. Smoky Quartz4.DA.05SiO2
β“˜Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 9 - Silicates
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Foitite9.CK.05β—»(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Dravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Diopside9.DA.15CaMgSi2O6
β“˜Wollastonite9.DG.05Ca3(Si3O9)
β“˜Muscovite
var. Sericite
9.EC.15KAl2(AlSi3O10)(OH)2
β“˜9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
β“˜'K Feldspar'-
β“˜'Garnet Group'-X3Z2(SiO4)3
β“˜'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
β“˜'Hornblende Root Name Group'-β—»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
β“˜'Limonite'-
β“˜'Chlorite Group'-
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hβ“˜ Foitite◻(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Bβ“˜ Foitite◻(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Bβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CalciteCaCO3
Oβ“˜ DiopsideCaMgSi2O6
Oβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ Foitite◻(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ RutileTiO2
Oβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ Quartz var. Smoky QuartzSiO2
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ WollastoniteCa3(Si3O9)
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oβ“˜ Garnet GroupX3Z2(SiO4)3
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgβ“˜ DiopsideCaMgSi2O6
Mgβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alβ“˜ Foitite◻(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ DiopsideCaMgSi2O6
Siβ“˜ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ Foitite◻(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ Quartz var. Smoky QuartzSiO2
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ WollastoniteCa3(Si3O9)
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siβ“˜ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sβ“˜ ArsenopyriteFeAsS
Sβ“˜ BorniteCu5FeS4
Sβ“˜ BournonitePbCuSbS3
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ CovelliteCuS
Sβ“˜ EnargiteCu3AsS4
Sβ“˜ GalenaPbS
Sβ“˜ JamesonitePb4FeSb6S14
Sβ“˜ KΓ«steriteCu2ZnSnS4
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
Sβ“˜ StibniteSb2S3
Sβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sβ“˜ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
Sβ“˜ ZinkenitePb9Sb22S42
ClChlorine
Clβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ CalciteCaCO3
Caβ“˜ DiopsideCaMgSi2O6
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ WollastoniteCa3(Si3O9)
Caβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ IlmeniteFe2+TiO3
Tiβ“˜ RutileTiO2
Tiβ“˜ TitaniteCaTi(SiO4)O
FeIron
Feβ“˜ ArsenopyriteFeAsS
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ Foitite◻(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ JamesonitePb4FeSb6S14
Feβ“˜ LΓΆllingiteFeAs2
Feβ“˜ PyriteFeS2
Feβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CuCopper
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ BournonitePbCuSbS3
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ CovelliteCuS
Cuβ“˜ EnargiteCu3AsS4
Cuβ“˜ KΓ«steriteCu2ZnSnS4
Cuβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znβ“˜ KΓ«steriteCu2ZnSnS4
Znβ“˜ SphaleriteZnS
AsArsenic
Asβ“˜ ArsenopyriteFeAsS
Asβ“˜ EnargiteCu3AsS4
Asβ“˜ LΓΆllingiteFeAs2
Asβ“˜ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
SnTin
Snβ“˜ KΓ«steriteCu2ZnSnS4
SbAntimony
Sbβ“˜ BournonitePbCuSbS3
Sbβ“˜ JamesonitePb4FeSb6S14
Sbβ“˜ StibniteSb2S3
Sbβ“˜ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sbβ“˜ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
Sbβ“˜ ZinkenitePb9Sb22S42
AuGold
Auβ“˜ GoldAu
TlThallium
Tlβ“˜ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
PbLead
Pbβ“˜ BournonitePbCuSbS3
Pbβ“˜ GalenaPbS
Pbβ“˜ JamesonitePb4FeSb6S14
Pbβ“˜ Twinnite Pb0.8Tl0.1Sb1.3As0.8S4
Pbβ“˜ ZinkenitePb9Sb22S42

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian PlateTectonic Plate

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