Shiqiaopu Au deposit, Longhui Co., Shaoyang, Hunan, Chinai
| Regional Level Types | |
|---|---|
| Shiqiaopu Au deposit | Deposit |
| Longhui Co. | County |
| Shaoyang | Prefecture-level City |
| Hunan | Province |
| China | Country |
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Latitude & Longitude (WGS84):
27° 29' 30'' North , 110° 52' 0'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Simenqian | 5,640 (2012) | 2.0km |
| Huangjinjing | 1,710 (2015) | 10.7km |
| Xiaoshajiang | 2,160 (2012) | 12.1km |
| Jinshiqiao | 1,630 (2012) | 12.4km |
| Liuduzhai | 8,970 (2012) | 15.5km |
The Shiqiaopu gold deposit is hosted primarily in the Neoproterozoic Banxi Group, which unconformably overlies greenschist-facies metasedimentary rocks of the Lengjiaxi Group. The Banxi Group comprises three formations deposited in deep-water to nearshore marine settings: (1) the Shiqiaopu Formation (metavolcaniclastic breccias, slates, and tuffaceous sandstones), (2) the Madiyi Formation (siltstones, sandstones, and carbonaceous slates), and (3) the Mobin Formation (feldspathic quartz sandstones and siltstones).
The main orebodies (veins II, III, V, and VI) strike NW–SE, dip SW at 42°–80°, and range from 0.5 to 20 m in thickness. They contain proven and probable reserves exceeding 550 kg of gold at average grades of 0.1–7 g/t. These veins are hosted chiefly in mylonitized metavolcaniclastic rocks and sandy slates of the Shiqiaopu Formation and display intense pyritization, silicification, chloritization, and minor realgar and galena mineralization. The consistent calcite + sericite assemblage points to a low- to moderate-temperature (∼250–450 °C) hydrothermal system typical of orogenic gold deposits.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
7 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 References: |
| ⓘ 'Chlorite Group' References: |
| ⓘ 'Feldspar Group' References: |
| ⓘ Galena Formula: PbS References: |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 References: |
| ⓘ Muscovite var. Sericite Formula: KAl2(AlSi3O10)(OH)2 References: |
| ⓘ Native Gold Formula: Au References: |
| ⓘ Pyrite Formula: FeS2 References: |
| ⓘ Pyrite var. Gold-bearing Pyrite Formula: FeS2 References: |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Realgar Formula: As4S4 References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite var. Gold-bearing Pyrite | 2.EB.05a | FeS2 |
| ⓘ | 2.EB.05a | FeS2 | |
| ⓘ | Realgar | 2.FA.15a | As4S4 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Feldspar Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| S | Sulfur | |
| S | ⓘ Pyrite var. Gold-bearing Pyrite | FeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Realgar | As4S4 |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Pyrite var. Gold-bearing Pyrite | FeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| As | Arsenic | |
| As | ⓘ Realgar | As4S4 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Regions, Features and Areas containing this locality
AsiaContinent
China
- Giant Sb metallogenic beltMineral Belt
Eurasian Plate
- Eastern Yangtze CratonCraton
- Xiangzhong metallogenic provinceMineral Province
Yangtze PlateTectonic Plate
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