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Dajishan U-Mo-Hg occurrence, Xingyi Co., Qianxi'nan, Guizhou, Chinai
Regional Level Types
Dajishan U-Mo-Hg occurrenceOccurrence
Xingyi Co.County

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Name(s) in local language(s):大际山铀钼汞矿点, 兴义县, 黔西南布依族苗族自治州, 贵州省, 中国
Latitude & Longitude (WGS84): 24° 53' 35'' North , 104° 41' 9'' East
Latitude & Longitude (decimal): 24.89306,104.68597
GeoHash:G#: wk6mw5tux
Locality type:Occurrence
Köppen climate type:Cwa : Monsoon-influenced humid subtropical climate

Hydrothermal uranium-molybdenum-mercury mineralizations in silicified and pyritized breccias and conglomerates.

Regions containing this locality

Southwest China, China

Region - 931 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

4 valid minerals.

Detailed Mineral List:

Formula: HgS
Reference: Mingfa Zhang, Xiqi He, Wen Xiao, and Meixue Zhang (2005): Guizhou Geology 22(3), 184-187
Formula: H4U4+(UO2)3(MoO4)7 · 18H2O
Reference: Mingfa Zhang, Xiqi He, Wen Xiao, and Meixue Zhang (2005): Guizhou Geology 22(3), 184-187
Formula: FeS2
Reference: Mingfa Zhang, Xiqi He, Wen Xiao, and Meixue Zhang (2005): Guizhou Geology 22(3), 184-187
Formula: SiO2
Reference: Mingfa Zhang, Xiqi He, Wen Xiao, and Meixue Zhang (2005): Guizhou Geology 22(3), 184-187

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Moluranite'7.HA.15H4U4+(UO2)3(MoO4)7 · 18H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
AmBnXp, with (m+n):p = 1:2
Acid Hydrated Molybdates and Tungstates
Moluranite49.1.2.1H4U4+(UO2)3(MoO4)7 · 18H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si

List of minerals for each chemical element

H MoluraniteH4U4+(UO2)3(MoO4)7 · 18H2O
O MoluraniteH4U4+(UO2)3(MoO4)7 · 18H2O
O QuartzSiO2
Si QuartzSiO2
S CinnabarHgS
S PyriteFeS2
Fe PyriteFeS2
Mo MoluraniteH4U4+(UO2)3(MoO4)7 · 18H2O
Hg CinnabarHgS
U MoluraniteH4U4+(UO2)3(MoO4)7 · 18H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

201.3 - 251.902 Ma

ID: 3186529
Mesozoic sedimentary rocks

Age: Triassic (201.3 - 251.902 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Mingfa Zhang, Xiqi He, Wen Xiao, and Meixue Zhang (2005): A Discovery of the Conglomerate of the Maotai Formation and Its Geologic Implication at the Dajishan Area, Xingyi, Guihzhou. Guizhou Geology 22(3), 184-187.

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