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Sanshandao Northern Sea deposit, Sanshandao Gold Mine, Cangshang-Sanshandao Gold camp, Laizhou City, Yantai, Shandong, Chinai
| Regional Level Types | |
|---|---|
| Sanshandao Northern Sea deposit | Mine |
| Sanshandao Gold Mine | Mine |
| Cangshang-Sanshandao Gold camp | - not defined - |
| Laizhou City | County |
| Yantai | Prefecture |
| Shandong | Province |
| China | Country |
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Latitude & Longitude (WGS84):
37° 26' 55'' North , 119° 57' 30'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
The area is covered by seawater (10–20 m depth) and Quaternary sediments (35–40 m). Bedrock consists of Archean metamorphic rocks and Late Jurassic granitoids that were intruded by Early Cretaceous granodiorite and lamprophyres. The gold mineralization belt has a full length of >3 km and slanting depth of >1.7 km, controlled by the Sanshandao − Cangshang Fault. Ore bodies occurred at the fault’s transitional portions from steep to flat and can be divided into shallow (above − 600 m) and deep (below −1000) groups, with dip angles changing from 25–50° to 35–40°. The No. 4 ore body is trending NE and dipping SE, with a length of 1450 m, an extension of 1070 m, a thickness of 31 m and a gold grade of ∼5 g/t. Four stages of mineralization-alteration can be determined in this deposit: 1) pyrite-quartz-sericite stage, 2) gold quartz-pyrite-arsenopyrite stage, 3) gold-quartz-polymetallic sulfide stage, and 4) quartz-carbonate stage.
The deposit contains 45 individual ore bodies distributed along prospecting lines 20–42 and 50–66, displaying predominantly vein-type and veinlet-disseminated mineralization styles. The I-4–3 ore body, accounting for 45 % of the total gold resources (average 8.66 g/t), stands as the largest mineralization zone. This economically significant body occurs within a pyrite-quartz-sericite breccia zone, extending 1430 m along a 35° trend with southeast dips ranging from 22° to 52°. Another notable ore body, I-1, contains 4.2 % of the total resources (average grade: 2.85 g/t), stretching 1097 m with variable strikes (22–43°) and southeast dips between 23° and 62°.
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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
14 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:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| 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 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Marcasite | 2.EB.10a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| ⓘ | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
| 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' | - | |
| ⓘ | 'Limonite' | - | |
| ⓘ | 'K Feldspar' | - | |
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 | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Siderite | FeCO3 |
| O | Oxygen | |
| O | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Siderite | FeCO3 |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)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 | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Marcasite | FeS2 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| S | ⓘ Sphalerite | ZnS |
| K | Potassium | |
| 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 |
| Fe | Iron | |
| Fe | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Marcasite | FeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Siderite | FeCO3 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Regions, Features and Areas containing this locality
China
- North China OrogenOrogen
- Shandong
- Jiaodong Peninsula (Jiaodong Gold Province)
- Zhaoyuan-Laizhou ore beltMineral Belt
- Jiaodong Peninsula (Jiaodong Gold Province)
Eurasian PlateTectonic Plate
- North China Craton
- Longgang BlockShield
Yellow SeaSea
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References
[1]Chen, Yuanlin; Li, Huan; Halassane, Niare; Ghaderi, Majid; Gu, Shangyi; Wang, Yunfeng; Li, Da-Dou (2024) Pyrite geochemistry reveals the key controlling factors of large gold deposit formation in Jiaodong Peninsula: A comparative study. Ore Geology Reviews, 165. doi:10.1016/j.oregeorev.2024.105934
Li, Jian; Yang, Zhi-ming; Song, Ming-chun; Dong, Lei-lei; Cai, Wen-yan; Lei, Ming; Cui, Qing-yi (2025) Investigating the formation and enrichment processes of super-large North Sanshandao gold deposit (Jiaodong Peninsula, Eastern China): an in-depth mineralogical perspective. American Mineralogist. doi:10.2138/am-2024-9701
[2]Lin, Chenggui; Yan, Tingjie; Cheng, Zhizhong; Yao, Xiaofeng; Mao, Jingwen; Lü, Zhicheng; Liu, Fuxing; Qiu, Jinzhu (2025) Deep magma evolution and gold mineralization in Wulong area, Liaodong Peninsula: Evidence from the Wulong 3000 m scientific drilling. Ore Geology Reviews, 186. 106849 doi:10.1016/j.oregeorev.2025.106849
