Tailaihua Nb-Ta-Be deposit, Hexigten Banner (Keshiketeng Co.), Chifeng City (Ulanhad League; Chifeng Prefecture), Inner Mongolia, Chinai
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Latitude & Longitude (WGS84):
43° 31' 59'' North , 117° 2' 59'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nb-Ta mineralization was first discovered here in 1985. Current resources are estimated at 730,600 tons of ore, containing 602.5 tons of BeO (0.218 %), 81.9 tons of Nb2O5 (0.011 %), and 88.8 tons of Ta2O5 (0.013 %). The albite granite, located at the core of the alkali feldspar granite, is the product of central differentiation. Pegmatite shells are found within the albite granite, while quartz, granite, and diabase veins are present in the alkali feldspar granite. The Be-Nb-Ta ore bodies at the Tailaihua deposit are hosted within a small albite granite pluton, approximately 560 m long (east to west), 400 m wide (north to south), and irregular in shape. The pluton is outwardly inclined at an angle of 50–70°, with an exposed area of about 0.3 km2. Be-Nb-Ta mineralization is widespread within the albite granite, with early Nb-Ta mineralization being overprinted by later beryllium mineralization.
The deposit shows a clear spatial zonation of alteration types and mineral assemblages. The albite granite core is intensely albitized and contains disseminated columbite-group minerals and beryl. The transition zone, composed of alkali feldspar granite, shows moderate albitization and greisenization. The marginal medium-grained granite displays weak greisenization and silicification. Surrounding country rocks exhibit alteration halos of hornfels, silicification, sericitization, and carbonatization. These spatial distributions correlate with whole-rock geochemical variations.
The Tailaihua deposit currently has 17 defined ore bodies: 11 Nb-Ta ore bodies, 2 Nb-Ta-Be ore bodies, and 4 Be ore bodies. The ore bodies are mostly layered and lens shaped, with a controlled length of 52–250 m and a width of 10–106 m. The strike is northwest, with a dip angle of 230–260 ° and a dip angle of 15–40 °.
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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
16 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 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Milky Quartz | 4.DA.05 | SiO2 |
| ⓘ | Cassiterite | 4.DB.05 | SnO2 |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Topaz | 9.AF.35 | Al2(SiO4)(F,OH)2 |
| ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Alkali Feldspar' | - | |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'Monazite Group' | - | REE(PO4) |
| ⓘ | 'Zinnwaldite' | - | |
| ⓘ | 'Feldspar Group var. Perthite' | - | |
| ⓘ | 'Columbite-(Fe)-Columbite-(Mn) Series' | - | |
| ⓘ | 'K Feldspar' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Protolithionite' | - | |
| ⓘ | 'Columbite Group' | - | |
| ⓘ | 'Phyllosilicate' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| H | ⓘ Zinnwaldite | |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Li | Lithium | |
| Li | ⓘ Zinnwaldite | |
| Be | Beryllium | |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Cassiterite | SnO2 |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Monazite Group | REE(PO4) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Titanite | CaTi(SiO4)O |
| O | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| O | ⓘ Zinnwaldite | |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Quartz var. Milky Quartz | SiO2 |
| O | ⓘ Columbite-(Fe)-Columbite-(Mn) Series | |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| F | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| F | ⓘ Zinnwaldite | |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Al | ⓘ Zinnwaldite | |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Titanite | CaTi(SiO4)O |
| Si | ⓘ Topaz | Al2(SiO4)(F,OH)2 |
| Si | ⓘ Zinnwaldite | |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Quartz var. Milky Quartz | SiO2 |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| P | Phosphorus | |
| P | ⓘ Monazite Group | REE(PO4) |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Zinnwaldite | |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Ca | ⓘ Titanite | CaTi(SiO4)O |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ti | Titanium | |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Ti | ⓘ Rutile | TiO2 |
| Ti | ⓘ Titanite | CaTi(SiO4)O |
| Mn | Manganese | |
| Mn | ⓘ Columbite-(Fe)-Columbite-(Mn) Series | |
| Fe | Iron | |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Zinnwaldite | |
| Fe | ⓘ Columbite-(Fe)-Columbite-(Mn) Series | |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Nb | Niobium | |
| Nb | ⓘ Columbite-(Fe)-Columbite-(Mn) Series | |
| Sn | Tin | |
| Sn | ⓘ Cassiterite | SnO2 |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
Other Regions, Features and Areas containing this locality
Amur PlateTectonic Plate
AsiaContinent
China
- Da Hinggan Mountains Li Mineral BeltMineral Belt
- Inner Mongolia
- Southern Great Xing’an RangeMineral Belt
- Xilinhot-Huolin'guole areaMineral Belt
- Southern Great Xing’an RangeMineral Belt
Eurasian Plate
- Bainaimiao-Ondor Sum BeltOrogenic Belt
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References
Wu, Hao-Ran; Yang, Hao; Zhu, Yu-Sheng; Ji, Zheng; Chen, Zhen-Yu; Zhang, Zhi-Chao; Ge, Wen-Chun (2025) Magmatic-hydrothermal evolution and rare metal mineralization in the Chamuhan W-Mo-Sn-Be deposit in the southern Great Xing’an Range, Northeastern China. Ore Geology Reviews, 186. 106828 doi:10.1016/j.oregeorev.2025.106828
[1]Shi, Jiangpeng; Wu, Guang; Chen, Gongzheng; Chen, Yanjing (2026) Petrogenesis of the Tailaihua ore-forming granites in the southern Great Xing’an Range, NE China: Implications for magma evolution and Be-Nb-Ta mineralization in Late Mesozoic. Ore Geology Reviews, 188. 107008 doi:10.1016/j.oregeorev.2025.107008
