Cuyu Au deposit, Panshi City, Jilin, Jilin, Chinai
| Regional Level Types | |
|---|---|
| Cuyu Au deposit | Deposit |
| Panshi City | City |
| Jilin | Prefecture-level City |
| Jilin | Province |
| China | Country |
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Latitude & Longitude (WGS84):
43° 24' 1'' North , 126° 6' 4'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Yantongshan | 57,515 (2012) | 14.2km |
| Shuangyang | 62,137 (2012) | 37.1km |
| Panshi | 80,200 (2012) | 51.1km |
| Jilin | 1,881,977 (2017) | 62.2km |
Cuyu gold deposit is a mesothermal magmatic–hydrothermal lode gold deposit related to diorite porphyrite veins. The main exposed strata in the ore district include the Shizui Formation of the Upper Carboniferous, the Nanloushan Formation of the Jurassic, and the Quaternary strata. The Carboniferous Shizui Formation, mainly composed of andesite volcanic clastic rocks, is primarily exposed in the western part of the ore district. The Lower Jurassic Nanloushan Formation, mainly composed of dark-gray andesite, andesite porphyry, and andesite volcanic breccia, is primarily located in the northern part of the ore district. In addition, a number of intrusions are distributed in the central part of the ore district. A total of eleven lode gold ore-bodies, all hosted in altered granodiorite, have been identified in the Cuyu deposit, including two main ore-bodies and four concealed ore-bodies. More than 10 tons of gold resources have been detected in the Cuyu gold deposit to date, confirming it as a medium-sized gold deposit and showing significant potential for gold prospecting in the deep part of the ore district. The X3 ore-body is the largest in the deposit, with a depth of 833 m and a length of 435 m along the strike direction. It strikes 275–315° and dips NE at 40–70° with a gold grade of 0.13–165.40 g/t (with a mean grade of 16.88 g/t) and a silver grade ranging from 1.00 to 310.20 g/t (with a mean grade of 25.26 g/t). The X4 ore-body, which is the second largest in the ore district, mainly takes the form of veins and veinlets.
Stage I: In this stage, the ore mineral assemblage was quartz + coarse grained arsenopyrite + pyrite. At this stage, high-temperature hydrothermal fluids infiltrated the wall rocks, inducing K-feldspathization and resulting in the formation of coarse-grained arsenopyrite and pyrite.
Stage II: Stage II was the major gold mineralization stage, leading to quartz, pyrite, galena, arsenopyrite, sphalerite, chalcopyrite, and electrum.
Stage III: This stage mainly produced non-metallic minerals, including quartz and calcite. Occasionally, disseminated pyrite is distributed in quartz carbonate veins.
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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
9 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold var. Electrum | 1.AA.05 | (Au,Ag) |
| ⓘ | 1.AA.05 | Au | |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite var. Gold-bearing Pyrite | 2.EB.05a | FeS2 |
| ⓘ | 2.EB.05a | FeS2 | |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Milky 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 | |||
| ⓘ | 'Amphibole Supergroup' | - | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'K Feldspar' | - | |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Quartz var. Milky Quartz | SiO2 |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| F | Fluorine | |
| F | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Al | Aluminium | |
| Al | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Quartz var. Milky Quartz | SiO2 |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Pyrite var. Gold-bearing Pyrite | FeS2 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| Cl | Chlorine | |
| Cl | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ti | Titanium | |
| Ti | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Pyrite var. Gold-bearing Pyrite | FeS2 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| Ag | Silver | |
| Ag | ⓘ Gold var. Electrum | (Au,Ag) |
| Au | Gold | |
| Au | ⓘ Gold var. Electrum | (Au,Ag) |
| Au | ⓘ Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Regions, Features and Areas containing this locality
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References
[1]Li, Haozhe; Yang, Qun; Zhang, Leigang; Ren, Yunsheng; Li, Mingtao; Li, Chan; Wang, Bin; Chen, Sitong; Peng, Xiaolei (2025) Ore-Forming Fluid Evolution and Ore Genesis of the Cuyu Gold Deposit in Central Jilin Province, NE China: Constraints from Geology, Fluid Inclusions, and H–O–S–Pb Isotope Studies. Minerals, 15 (5). doi:10.3390/min15050535