Gaolong Au Mine, Tianlin Co., Baise, Guangxi, Chinai
| Regional Level Types | |
|---|---|
| Gaolong Au Mine | Mine |
| Tianlin Co. | County |
| Baise | Prefecture |
| Guangxi | Autonomous Region |
| China | Country |
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Latitude & Longitude (WGS84):
24° 12' 24'' North , 105° 38' 22'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Name(s) in local language(s):
高龙金矿, 田林县, 百色市, 广西壮族自治区, 中国
An active gold mine, which is producing gold from a number of small open-pit operations. Gold reserves are approximately 400,000 ozs.
Located about 60 km northwest of Tianlin.
The ore-bearing strata are the Middle Triassic Baifeng Formation, which consists of siltstone, mudstone, and carbonaceous and calcareous siltstone and shale.
Orogenic Reserves: 21.6 t Au @3.7 g/t
The Gaolong gold deposit, with ~30 t (non-JORC) gold reserves at 1.79–4.04 g/t, is sited in the central-western part of the Youjiang basin. The Carboniferous to Permian massive or bioclastic limestones form the Gaolong dome, which is flanked by Triassic clastic rocks. No igneous rocks have been detected either at surface or at depth in this deposit. A total of nine NW-striking orebodies have been defined and, of these, No. 6 and No. 10 orebodies contain about 96% of the total reserves. These moderately-inclined lenticular and vein-like orebodies commonly pinch, swell, or branch and are mostly controlled by a silicified thrust zone along the margin of the Gaolong dome, but are also distributed within the clastic rocks of the Baifeng Formation.
The Gaolong gold deposit comprises 30 orebodies in the silicified thrust zone at the contact between the limestone of the carbonate platform and turbidites. The NW-trending orebody No. 6 and NE-trending orebody No. 10 on the eastern edge of the platform contain a total of ~18.7 t of gold reserves, with an average gold grade of 1.81 to 3.29 g/t. The NW-trending orebodies No. 51 to No. 63 located on the western edge of the platform host ~8.6 t of gold reserves, with an average gold grade of 1.62 to 2.17 g/t. In addition, minor orebodies occur along high-angle reverse F6 fault within Triassic turbidites located several hundred meters north of the platform. Two types of orebodies were identified in the Gaolong gold deposit. The first type (type A) is located in the silicified thrust zone in the vicinity of the contact between limestone and turbidites. The second type (type B) is situated several hundred meters north of the platform controlled by the F6 fault, hosted by tectonic breccia of the Triassic turbidites.
Located about 60 km northwest of Tianlin.
The ore-bearing strata are the Middle Triassic Baifeng Formation, which consists of siltstone, mudstone, and carbonaceous and calcareous siltstone and shale.
Orogenic Reserves: 21.6 t Au @3.7 g/t
The Gaolong gold deposit, with ~30 t (non-JORC) gold reserves at 1.79–4.04 g/t, is sited in the central-western part of the Youjiang basin. The Carboniferous to Permian massive or bioclastic limestones form the Gaolong dome, which is flanked by Triassic clastic rocks. No igneous rocks have been detected either at surface or at depth in this deposit. A total of nine NW-striking orebodies have been defined and, of these, No. 6 and No. 10 orebodies contain about 96% of the total reserves. These moderately-inclined lenticular and vein-like orebodies commonly pinch, swell, or branch and are mostly controlled by a silicified thrust zone along the margin of the Gaolong dome, but are also distributed within the clastic rocks of the Baifeng Formation.
The Gaolong gold deposit comprises 30 orebodies in the silicified thrust zone at the contact between the limestone of the carbonate platform and turbidites. The NW-trending orebody No. 6 and NE-trending orebody No. 10 on the eastern edge of the platform contain a total of ~18.7 t of gold reserves, with an average gold grade of 1.81 to 3.29 g/t. The NW-trending orebodies No. 51 to No. 63 located on the western edge of the platform host ~8.6 t of gold reserves, with an average gold grade of 1.62 to 2.17 g/t. In addition, minor orebodies occur along high-angle reverse F6 fault within Triassic turbidites located several hundred meters north of the platform. Two types of orebodies were identified in the Gaolong gold deposit. The first type (type A) is located in the silicified thrust zone in the vicinity of the contact between limestone and turbidites. The second type (type B) is situated several hundred meters north of the platform controlled by the F6 fault, hosted by tectonic breccia of the Triassic turbidites.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
26 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| ⓘ | Native Arsenic | 1.CA.05 | As |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| ⓘ | Stibnite | 2.DB.05 | Sb2S3 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | var. Arsenic-bearing Pyrite | 2.EB.05a | Fe(S,As)2 |
| ⓘ | Marcasite | 2.EB.10a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| ⓘ | Realgar | 2.FA.15a | As4S4 |
| ⓘ | Orpiment | 2.FA.30 | As2S3 |
| ⓘ | 'Tetrahedrite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)Sb4S12S |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Valentinite | 4.CB.55 | Sb2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Microcrystalline quartz | 4.DA.05 | SiO2 |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| ⓘ | Anatase | 4.DD.05 | TiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| ⓘ | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
| ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| Group 9 - Silicates | |||
| ⓘ | Muscovite var. Illite | 9.EC.15 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| ⓘ | 9.EC.15 | KAl2(AlSi3O10)(OH)2 | |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Petroleum var. Bitumen' | - | |
| ⓘ | '' | - | |
| ⓘ | 'K Feldspar' | - | |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Apatite' | - | Ca5(PO4)3A |
| ⓘ | 'Organic material' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Dolomite | CaMg(CO3)2 |
| C | ⓘ Siderite | FeCO3 |
| O | Oxygen | |
| O | ⓘ Anatase | TiO2 |
| O | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Dolomite | CaMg(CO3)2 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Siderite | FeCO3 |
| O | ⓘ Valentinite | Sb2O3 |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Apatite | Ca5(PO4)3A |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Mg | ⓘ Dolomite | CaMg(CO3)2 |
| Al | Aluminium | |
| Al | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3A |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Cinnabar | HgS |
| S | ⓘ Galena | PbS |
| S | ⓘ Marcasite | FeS2 |
| S | ⓘ Orpiment | As2S3 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| S | ⓘ Realgar | As4S4 |
| S | ⓘ Sphalerite | ZnS |
| S | ⓘ Stibnite | Sb2S3 |
| S | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| S | ⓘ Pyrite var. Arsenic-bearing Pyrite | Fe(S,As)2 |
| K | Potassium | |
| K | ⓘ Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Dolomite | CaMg(CO3)2 |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3A |
| Ti | Titanium | |
| Ti | ⓘ Anatase | TiO2 |
| Ti | ⓘ Rutile | TiO2 |
| Fe | Iron | |
| Fe | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Marcasite | FeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Siderite | FeCO3 |
| Fe | ⓘ Pyrite var. Arsenic-bearing Pyrite | Fe(S,As)2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| As | ⓘ Native Arsenic | As |
| As | ⓘ Orpiment | As2S3 |
| As | ⓘ Realgar | As4S4 |
| As | ⓘ Pyrite var. Arsenic-bearing Pyrite | Fe(S,As)2 |
| Sb | Antimony | |
| Sb | ⓘ Stibnite | Sb2S3 |
| Sb | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Sb | ⓘ Valentinite | Sb2O3 |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Hg | Mercury | |
| Hg | ⓘ Cinnabar | HgS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Regions, Features and Areas containing this locality
AsiaContinent
China
- Giant Sb metallogenic beltMineral Belt
- Youjiang metallogenic provinceMineral Province
Eurasian PlateTectonic Plate
- Nanpanjiang BasinBasin
- West CathaysiaOrogenic Belt
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References
Peters, Stephen G.; Jiazhan, Huang; Zhiping, Li; Chenggui, Jing (2007) Sedimentary rock-hosted Au deposits of the Dian–Qian–Gui area, Guizhou, and Yunnan Provinces, and Guangxi District, China. Ore Geology Reviews, 31 (1-4). 170-204 doi:10.1016/j.oregeorev.2005.03.014
[1]Yang, Lin, Deng, Jun, Groves, David I., Wang, Qingfei, Zhang, Liang, Wu, Wei, Qin, Kai, Zhang, Qizuan (2020) Recognition of two contrasting structural- and mineralogical-gold mineral systems in the Youjiang basin, China-Vietnam: Orogenic gold in the south and Carlin-type in the north. Geoscience Frontiers, 11 (5) 1477-1494 doi:10.1016/j.gsf.2020.05.011
Song, Weifang; Wu, Pan; Liu, Jianzhong; Li, Junhai; Wang, Zepeng; Tan, Qinping; Xie, Zhuojun (2022) Genesis of the Gaolong gold deposit in Northwest Guangxi Province, South China: Insights from in situ trace elements and sulfur isotopes of pyrite. Ore Geology Reviews, 143. 104782 doi:10.1016/j.oregeorev.2022.104782
Lin, Shiru; Hu, Kai; Cao, Jian; Liu, Yin; Liu, Shengjun; Zhang, Bin (2023) Geochemistry and origin of hydrothermal apatite in Carlin-type Au deposits, southwestern China (Gaolong deposit). Ore Geology Reviews, 154. doi:10.1016/j.oregeorev.2023.105312
[2]Zeng, Yushan; Yang, Lin; Wang, Qingfei; Deng, Jun; Deditius, Artur P.; Zhao, Jian-Xin; Cheng, Ting; Zhao, Shiyu; Huang, Shicai; Ruan, Di (2026) Structurally Controlled Deposition of Gold During Inversion of Sedimentary Basin: A Case Study of Sediment-Hosted Orogenic Gold in the Gaolong Deposit, Youjiang Basin, South China Block. Economic Geology, 121 (3). doi:10.5382/econgeo.5236