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Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu Co., Honghe, Yunnan, Chinai
Regional Level Types
Laochang ore field (Laochang Mine)Ore Field
Gejiu Sn-polymetallic ore fieldOre Field
Gejiu Co.County
HonghePrefecture
YunnanProvince
ChinaCountry

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Name(s) in local language(s):老厂锡矿田 (老厂锡矿), 个旧锡多金属矿田, 个旧市, 红河哈尼族彝族自治州, 云南省, 中国
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 23° North , 103° East (est.)
Margin of Error:~8km
Locality type:Ore Field
Köppen climate type:Cwa : Monsoon-influenced humid subtropical climate


Hydrothermal Sn-Be vein-type deposits.
Located about 11 km SE of Gejiu City.

Regions containing this locality

Eurasian Plate (Eurasia Plate)Plate
Southwest China, ChinaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

17 valid minerals.

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Beryl
Formula: Be3Al2(Si6O18)
Cassiterite
Formula: SnO2
Chalcopyrite
Formula: CuFeS2
Diopside
Formula: CaMgSi2O6
Dolomite
Formula: CaMg(CO3)2
'Feldspar Group'
Fluorite
Formula: CaF2
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Kipushite
Formula: (Cu,Zn)5Zn(PO4)2(OH)6 · H2O
'Lepidolite'
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe7S8
Quartz
Formula: SiO2
Scheelite
Formula: Ca(WO4)
Siderite
Formula: FeCO3
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Veszelyite
Formula: (Cu,Zn)2Zn(PO4)2 · 2H2O
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Dolomite5.AB.10CaMg(CO3)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Kipushite8.DA.35(Cu,Zn)5Zn(PO4)2(OH)6 · H2O
Veszelyite8.DA.30(Cu,Zn)2Zn(PO4)2 · 2H2O
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Diopside9.DA.15CaMgSi2O6
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-
'Garnet Group'-X3Z2(SiO4)3
'Lepidolite'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite14.1.1.3FeCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)Zq·xH2O
Kipushite42.2.4.1(Cu,Zn)5Zn(PO4)2(OH)6 · H2O
Veszelyite42.2.3.1(Cu,Zn)2Zn(PO4)2 · 2H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Feldspar Group'-
'Garnet Group'-X3Z2(SiO4)3
'Lepidolite'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H Veszelyite(Cu,Zn)2Zn(PO4)2 · 2H2O
H HemimorphiteZn4Si2O7(OH)2 · H2O
H Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C SideriteFeCO3
C DolomiteCaMg(CO3)2
OOxygen
O QuartzSiO2
O Veszelyite(Cu,Zn)2Zn(PO4)2 · 2H2O
O HemimorphiteZn4Si2O7(OH)2 · H2O
O ScheeliteCa(WO4)
O Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2O
O SideriteFeCO3
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O MuscoviteKAl2(AlSi3O10)(OH)2
O BerylBe3Al2(Si6O18)
O DiopsideCaMgSi2O6
O Garnet GroupX3Z2(SiO4)3
O DolomiteCaMg(CO3)2
O CassiteriteSnO2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
FFluorine
F FluoriteCaF2
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al BerylBe3Al2(Si6O18)
SiSilicon
Si QuartzSiO2
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si BerylBe3Al2(Si6O18)
Si DiopsideCaMgSi2O6
Si Garnet GroupX3Z2(SiO4)3
PPhosphorus
P Veszelyite(Cu,Zn)2Zn(PO4)2 · 2H2O
P Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2O
SSulfur
S PyriteFeS2
S PyrrhotiteFe7S8
S GalenaPbS
S ChalcopyriteCuFeS2
S ArsenopyriteFeAsS
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca ScheeliteCa(WO4)
Ca FluoriteCaF2
Ca DiopsideCaMgSi2O6
Ca DolomiteCaMg(CO3)2
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe ChalcopyriteCuFeS2
Fe ArsenopyriteFeAsS
Fe SideriteFeCO3
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
CuCopper
Cu Veszelyite(Cu,Zn)2Zn(PO4)2 · 2H2O
Cu ChalcopyriteCuFeS2
Cu Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2O
ZnZinc
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2O
AsArsenic
As ArsenopyriteFeAsS
SnTin
Sn CassiteriteSnO2
WTungsten
W ScheeliteCa(WO4)
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
PbLead
Pb GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Guian Deng (1998): The geological and geochemical features of granite rupture zone type tin deposit in Laochang, Gejiu: A new type of tin deposit. Mineral Resources and Geology 18(4).
Ottens, B. (2006): Eine Reise zu den Bergwerken im Südosten von Yunnan: Smaragd aus Dayakou, China. Lapis 31(4), 20 (in German).
Zongxi Yang, Jingwen Mao, Maohong Chen, Xiang Tong, Junde Wu, Yanbo Cheng, and Haijie Zhao (2009): (40)Ar-(39)Ar dating of muscovite from Laochang veinlet-like Sn deposit in Gejiu tin polymetallic ore district and its geological significance. Mineral Deposits 28(3), 336-344 (in Chinese with English abstract).

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