Xiaoyinuogaigou Au deposit, Ergun City (E'erguna Co.), Hulunbuir City (Hulunbei'er Prefecture), Inner Mongolia, Chinai
| Regional Level Types | |
|---|---|
| Xiaoyinuogaigou Au deposit | Deposit |
| Ergun City (E'erguna Co.) | County |
| Hulunbuir City (Hulunbei'er Prefecture) | Prefecture-level City |
| Inner Mongolia | Autonomous Region |
| China | Country |
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Latitude & Longitude (WGS84):
50° 36' North , 119° 17' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Priargunsk | 7,902 (2016) | 28.7km |
| Kadaya | 1,167 (2016) | 37.0km |
| Kalga | 3,573 (2016) | 45.1km |
Medium-scale granitoid-related vein-type gold deposit, consisting of more than 150 gold alteration veins in Neoproterozoic strata. The veins trend NS and NW and are generally 10-100 m long, and 0.5-5 m wide. From the bottom to top, the host rocks are: (1) mica quartz schist (Jiageda formation), leucogranulitite, and metadiabase; (2) dolomitic marble (lower part of the E'erguna River formation), crystalline limestone with meta-sandstone, and slate; (3) meta-sandstone (upper part of the Eerguan River formation), slate with crystalline limestone, and marble. Variscan biotite adamellite outcrops to the south of the mining area. Gold mainly occurs in slate of the Jiageda Formation, and is mainly associated to silica and pyrite alteration. The belt trends NNE, is about 7 km long and 1-2 km wide. The deposit is fault-controlled.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Chlorite Group' |
| ⓘ Native Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ 'Tourmaline' Formula: AD3G6(T6O18)(BO3)3X3Z |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Unclassified | |||
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Tourmaline' | - | AD3G6(T6O18)(BO3)3X3Z |
List of minerals for each chemical element
| B | Boron | |
|---|---|---|
| B | ⓘ Tourmaline | AD3G6(T6O18)(BO3)3X3Z |
| O | Oxygen | |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Tourmaline | AD3G6(T6O18)(BO3)3X3Z |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
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