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Jinshui Sn deposit, Dulan County, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, Chinai
Regional Level Types
Jinshui Sn depositDeposit
Dulan CountyCounty
Haixi Mongol and Tibetan Autonomous PrefecturePrefecture
QinghaiProvince
ChinaCountry

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Latitude & Longitude (WGS84):
36° 0' 0'' North , 95° 49' 59'' East
Latitude & Longitude (decimal):
36.00000,95.83333
GeoHash:
G#:wnkhu9xen
GRN:
N24E56
Type:
Deposit
Köppen climate type:
BWk : Cold desert climate
Mindat Locality ID:
453183
Long-form identifier:
mindat:1:2:453183:1
GUID (UUID V4):
0


The primary exposed strata in this area comprise the Paleoproterozoic Jinshuikou Group, the Neoproterozoic Langyashan Formation, and a limited presence of the Mesoproterozoic Xiaomiao Formation. Within the Jinshui tin deposit, two ore bodies are located along the skarn zone and are distributed in parallel and trend northeast. Among them, Sn-Cu I orebody stretches approximately 360 m in length and has an average thickness of 5.33 m. It is primarily mineralized with tin, copper, and tungsten, with ore grades ranging from 0.10-1.34 % Sn, 0.3 % Cu, and 0.38 % WO3, accompanied by silver mineralization. Sn-Cu II orebody can be divided into three ore blocks: Sn-Cu II-1, Sn-Cu II-2, and Sn-Cu II-3. Specifically, Sn-Cu II-1 and Sn-Cu II-3 are mainly mineralized with tin, copper, and tungsten, while Sn-Cu II-2 is mineralized with tungsten and molybdenum. The Sn-Cu II-1 ore block is approximately 600 m in length and 1.2–3.1 m in thickness, with average ore grades of 0.28 % Sn, 0.58 % Cu, and 0.63 % WO3. The Sn-Cu II-2 ore block is roughly 300 m in length and about 2 m in thickness, with a WO3 grade of 0.23 % and a Mo grade of 0.032 %. The Sn-Cu II-3 ore block spans approximately 200 m in length and is approximately 2.6 m in thickness, with Sn and Cu grades of 0.22 % and 0.19 % respectively, and a WO3 grade of 2.06 % (up to 3.48 %). Field geological and petrographic characteristics reveal six identifiable stages of mineralization: (I) prograde skarn stage, including garnet, diopside and vesuvianite; (II) retrograde skarn stage, marked by tremolite, chlorite epidote, and actinolite; (III) oxide stage, where the main minerals in this stage are cassiterite, scheelite, quartz, fluorite, muscovite, orthoclase, magnetite and hematite; (IV) quartz-cassiterite-sulfide stage, serving as the main stage of Sn–Cu mineralization, with cassiterite, chalcopyrite, sphalerite, galena, arsenopyrite, pyrite, quartz, and fluorite being the dominant minerals; and (V) carbonate stage; and (VI) supergene stage.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘActinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘAndradite
Formula:Ca3Fe3+2(SiO4)3
ⓘArsenopyrite
Formula:FeAsS
ⓘCalcite
Formula:CaCO3
ⓘCassiterite
Formula:SnO2
ⓘChalcopyrite
Formula:CuFeS2
ⓘ'Chlorite Group'
ⓘDiopside
Formula:CaMgSi2O6
ⓘDolomite
Formula:CaMg(CO3)2
ⓘEpidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘFluorite
Formula:CaF2
ⓘGalena
Formula:PbS
ⓘGrossular
Formula:Ca3Al2(SiO4)3
ⓘHedenbergite
Formula:CaFe2+Si2O6
ⓘHematite
Formula:Fe2O3
ⓘ'Limonite'
ⓘMagnetite
Formula:Fe2+Fe3+2O4
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘOrthoclase
Formula:K(AlSi3O8)
ⓘ'Plagioclase'
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
ⓘPyrite
Formula:FeS2
ⓘPyrrhotite
Formula:Fe1-xS
ⓘQuartz
Formula:SiO2
ⓘScheelite
Formula:Ca(WO4)
ⓘSphalerite
Formula:ZnS
ⓘTremolite
Formula:◻Ca2Mg5(Si8O22)(OH)2
ⓘVesuvianite
Formula:Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘZircon
Formula:Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘVesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘDiopside9.DA.15CaMgSi2O6
ⓘHedenbergite9.DA.15CaFe2+Si2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
HⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
HⓘEpidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
HⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
HⓘVesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
CCarbon
CⓘCalciteCaCO3
CⓘDolomiteCaMg(CO3)2
OOxygen
OⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
OⓘAndraditeCa3Fe23+(SiO4)3
OⓘCalciteCaCO3
OⓘCassiteriteSnO2
OⓘDiopsideCaMgSi2O6
OⓘDolomiteCaMg(CO3)2
OⓘEpidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
OⓘGrossularCa3Al2(SiO4)3
OⓘHedenbergiteCaFe2+Si2O6
OⓘHematiteFe2O3
OⓘMagnetiteFe2+Fe23+O4
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘOrthoclaseK(AlSi3O8)
OⓘQuartzSiO2
OⓘScheeliteCa(WO4)
OⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
OⓘVesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
OⓘZirconZr(SiO4)
OⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
FⓘFluoriteCaF2
NaSodium
NaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
MgⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
MgⓘDiopsideCaMgSi2O6
MgⓘDolomiteCaMg(CO3)2
MgⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
MgⓘVesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
AlAluminium
AlⓘEpidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
AlⓘGrossularCa3Al2(SiO4)3
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘOrthoclaseK(AlSi3O8)
AlⓘVesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
AlⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
SiⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
SiⓘAndraditeCa3Fe23+(SiO4)3
SiⓘDiopsideCaMgSi2O6
SiⓘEpidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiⓘGrossularCa3Al2(SiO4)3
SiⓘHedenbergiteCaFe2+Si2O6
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘOrthoclaseK(AlSi3O8)
SiⓘQuartzSiO2
SiⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
SiⓘVesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SiⓘZirconZr(SiO4)
SiⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SSulfur
SⓘArsenopyriteFeAsS
SⓘChalcopyriteCuFeS2
SⓘGalenaPbS
SⓘPyriteFeS2
SⓘPyrrhotiteFe1-xS
SⓘSphaleriteZnS
KPotassium
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
KⓘOrthoclaseK(AlSi3O8)
CaCalcium
CaⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
CaⓘAndraditeCa3Fe23+(SiO4)3
CaⓘCalciteCaCO3
CaⓘDiopsideCaMgSi2O6
CaⓘDolomiteCaMg(CO3)2
CaⓘEpidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
CaⓘFluoriteCaF2
CaⓘGrossularCa3Al2(SiO4)3
CaⓘHedenbergiteCaFe2+Si2O6
CaⓘScheeliteCa(WO4)
CaⓘTremolite◻Ca2Mg5(Si8O22)(OH)2
CaⓘVesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
CaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FeIron
FeⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
FeⓘAndraditeCa3Fe23+(SiO4)3
FeⓘArsenopyriteFeAsS
FeⓘChalcopyriteCuFeS2
FeⓘEpidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
FeⓘHedenbergiteCaFe2+Si2O6
FeⓘHematiteFe2O3
FeⓘMagnetiteFe2+Fe23+O4
FeⓘPyriteFeS2
FeⓘPyrrhotiteFe1-xS
FeⓘVesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
CuCopper
CuⓘChalcopyriteCuFeS2
ZnZinc
ZnⓘSphaleriteZnS
AsArsenic
AsⓘArsenopyriteFeAsS
ZrZirconium
ZrⓘZirconZr(SiO4)
SnTin
SnⓘCassiteriteSnO2
WTungsten
WⓘScheeliteCa(WO4)
PbLead
PbⓘGalenaPbS

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian PlateTectonic Plate

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References

[1]Zhang, Xing-Kai, Jiang, Shao-Yong, Su, Hui-Min, Wang, Wei, Xia, Qinglin, Liu, Yunpeng, Li, Shien (2025) Geochemistry of cassiterite and skarn minerals as indicators for formation mechanism and fluid evolution of the newly discovered Jinshui skarn tin deposit in the East Kunlun orogenic belt, NW China.Ore Geology Reviews, 106541doi:10.1016/j.oregeorev.2025.106541
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