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Latitude & Longitude (WGS84):
29° 58' 45'' North , 88° 34' 30'' East
Latitude & Longitude (decimal):
Type:
Mindat Locality ID:
413003
Long-form identifier:
mindat:1:2:413003:4
GUID (UUID V4):
0


Manto-type Pb–Zn–Ag deposit in the carbonate rock and the LVS, and the north Ag–Pb–Zn epithermal deposit in the Dianzhong formation of the LVS IS epithermal deposit.

The Sinongduo deposit, situated in the southern margin of the central Lhasa subterrane about 170 km west of Xigaze, encompasses three distinct orebodies: a hydrothermal vein-type Ag-Pb-Zn, a cryptoexplosive breccia-type Pb-Zn-Ag, and independent silver orebodies. The mineralization mainly occurred between 63.1 and 60.9 Ma based on the sericite Ar-Ar isotopic dating. In this deposit, the ore-bearing wall rocks comprise rhyolite porphyry, crystal tuff, and volcanic breccia, while the intrusive rocks mainly consist of SE-trending granite porphyry and biotite granite porphyry. The exposed area of granite porphyry batholith is about 0.3 square kilometers, and granite porphyry, biotite granite porphyry, and rhyolite porphyry are in close spatial contact.
Three mineralization stages have been identified based on the different minerals and their textural relationships, including the pre-ore stage, main-ore stage, and post-ore stage. The main-ore stage can be subdivided into three substages: galena ore substage, sphalerite ore substage, and silver minerals ore substage. Alterations in the area are dominated by silicification, illitization, chalcedonization, sericitization, and carbonation, leading to the formation of alteration minerals such as illite, sericite, chalcedony, jasper, quartz, calcite, and minor kaolinite, adularia, and montmorillonite. Pb + Zn reserves exceeding 350,000 tons and Ag reserves surpassing 400 tons. The average grades of these ores are approximately 5% for Pb + Zn and 50 g/t for Ag.

The Ag–Pb–Zn deposit in Sinongduo, the first low-sulfide epithermal deposit found in the Gangdese metallogenic belt, is located in the continental volcanic regions of the Tethys Himalayan orogenic belt. It includes cryptoexplosive breccia-type Ag–Pb–Zn ore bodies, hydrothermal vein-type Pb–Zn–Ag ore bodies, and independent Ag ore bodies, which have been logged according to the characteristics of the host rock and the ore-forming elements.

The Ag-Pb-Zn ore bodies predominantly occur as veins and breccia columns. The ore types chiefly consist of hydrothermal breccia Pb-Zn ores, hydrothermal vein Pb-Zn ores, and high-grade Ag ores. Three paragenetic stages have been distinguished: (Ⅰ) the pre-ore stage, primarily characterized by pyrite and quartz; (Ⅱ) the main metallogenic stage, which includes three substages (Fe-Cu-Zn, Pb-Zn, and Ag), producing large amounts of sphalerite, galena, pyrite, chalcopyrite, and minor Ag minerals; and (Ⅲ) the post-ore stage, marked by calcite and quartz. Widespread intense hydrothermal alteration occurs near the prominent mineralized veins, characterized by quartz, sericite, illite, and calcite assemblages. The Sinongduo deposit is the first epithermal Ag-Pb-Zn deposit discovered in the NGPB, with metal reserves of 148,136 tons (t) of Pb, 205,722 t of Zn, and over 400 t of silver, and average grades of 1.95 % Pb, 2.70 % Zn, and 52.33 g/t Ag, respectively.

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


22 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Acanthite
Formula: Ag2S
References:
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
'Apatite'
Formula: Ca5(PO4)3A
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Calcite
Formula: CaCO3
References:
Chalcopyrite
Formula: CuFeS2
References:
'Chlorite Group'
Enargite
Formula: Cu3AsS4
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Galena
Formula: PbS
References:
Hematite
Formula: Fe2O3
Kaolinite
Formula: Al2(Si2O5)(OH)4
'K Feldspar'
'K Feldspar var. Adularia'
Formula: KAlSi3O8
Magnetite
Formula: Fe2+Fe3+2O4
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
References:
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
References:
Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
References:
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
References:
Native Silver
Formula: Ag
Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
Pearceite
Formula: [Ag6As2S7][Ag9CuS4]
Pyrargyrite
Formula: Ag3SbS3
Pyrite
Formula: FeS2
References:
Quartz
Formula: SiO2
References:
Quartz var. Chalcedony
Formula: SiO2
References:
Siderite
Formula: FeCO3
Sphalerite
Formula: ZnS
References:
Titanite
Formula: CaTi(SiO4)O
'White mica'
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Pyrargyrite2.GA.05Ag3SbS3
Pearceite2.GB.15[Ag6As2S7][Ag9CuS4]
Enargite2.KA.05Cu3AsS4
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Quartz
var. Chalcedony
4.DA.05SiO2
4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)
Titanite9.AG.15CaTi(SiO4)O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Muscovite
var. Illite
9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
9.EC.15KAl2(AlSi3O10)(OH)2
Paragonite9.EC.15NaAl2(AlSi3O10)(OH)2
Muscovite
var. Sericite
9.EC.15KAl2(AlSi3O10)(OH)2
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
'K Feldspar
var. Adularia'
-KAlSi3O8
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'K Feldspar'-
'Apatite'-Ca5(PO4)3A
'White mica'-

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
H KaoliniteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H ParagoniteNaAl2(AlSi3O10)(OH)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C SideriteFeCO3
OOxygen
O K Feldspar var. AdulariaKAlSi3O8
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CalciteCaCO3
O Quartz var. ChalcedonySiO2
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O HematiteFe2O3
O Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
O KaoliniteAl2(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O MuscoviteKAl2(AlSi3O10)(OH)2
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O ParagoniteNaAl2(AlSi3O10)(OH)2
O QuartzSiO2
O SideriteFeCO3
O TitaniteCaTi(SiO4)O
O ZirconZr(SiO4)
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O ApatiteCa5(PO4)3A
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na ParagoniteNaAl2(AlSi3O10)(OH)2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al K Feldspar var. AdulariaKAlSi3O8
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al ParagoniteNaAl2(AlSi3O10)(OH)2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Si K Feldspar var. AdulariaKAlSi3O8
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Quartz var. ChalcedonySiO2
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si ParagoniteNaAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
PPhosphorus
P ApatiteCa5(PO4)3A
SSulfur
S AcanthiteAg2S
S ChalcopyriteCuFeS2
S EnargiteCu3AsS4
S GalenaPbS
S Pearceite[Ag6As2S7][Ag9CuS4]
S PyrargyriteAg3SbS3
S PyriteFeS2
S SphaleriteZnS
KPotassium
K K Feldspar var. AdulariaKAlSi3O8
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca TitaniteCaTi(SiO4)O
Ca ApatiteCa5(PO4)3A
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe SideriteFeCO3
CuCopper
Cu ChalcopyriteCuFeS2
Cu EnargiteCu3AsS4
Cu Pearceite[Ag6As2S7][Ag9CuS4]
ZnZinc
Zn SphaleriteZnS
AsArsenic
As EnargiteCu3AsS4
As Pearceite[Ag6As2S7][Ag9CuS4]
ZrZirconium
Zr ZirconZr(SiO4)
AgSilver
Ag AcanthiteAg2S
Ag Pearceite[Ag6As2S7][Ag9CuS4]
Ag PyrargyriteAg3SbS3
Ag Native SilverAg
SbAntimony
Sb PyrargyriteAg3SbS3
PbLead
Pb GalenaPbS

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian PlateTectonic Plate

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