Dingqing ophiolite, Bomi Co., Nyingtri Prefecture (Linzhi Prefecture), Tibet, Chinai
| Regional Level Types | |
|---|---|
| Dingqing ophiolite | Outcrop |
| Bomi Co. | County |
| Nyingtri Prefecture (Linzhi Prefecture) | Prefecture |
| Tibet | Autonomous Region |
| China | Country |
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Latitude & Longitude (WGS84):
30° 30' North , 95° 15' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
The Dingqing ophiolite occurs as a ~88 km-long, 2–8 km-wide E–W belt, with exposures covering an area > 400 km2. Harzburgite dominates the Dingqing ophiolite and constitutes 85%~90% of the eastern and western rock bodies.
It displays a tectonic contact relationship with the adjacent strata on both sides. Within the southern boundary fault zone of the Dingqing ophiolite, harzburgite blocks are enclosed in listwanite. Several meters-long bodies of harzburgite are associated with dunite. The latter, which accounts for approximately 8% of the total area, is primarily yellowish-brown and extensively serpentinized. It forms thin shells, lenses, ribbons, and irregular blocks within the harzburgite. Dunite is the principal host rock for chromitite orebodies.
Select Mineral List Type
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
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Iron | 1.AE.05 | Fe |
| ⓘ | Diamond | 1.CB.10a | C |
| ⓘ | Moissanite | 1.DA. | SiC |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Wüstite | 4.AB.25 | FeO |
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Corundum | 4.CB.05 | Al2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| Group 9 - Silicates | |||
| ⓘ | Forsterite | 9.AC.05 | Mg2(SiO4) |
| ⓘ | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Andalusite | 9.AF.10 | Al2(SiO4)O |
| ⓘ | Kyanite | 9.AF.15 | Al2(SiO4)O |
| ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| Unclassified | |||
| ⓘ | 'Clinopyroxene Subgroup' | - | |
| ⓘ | 'Chrome-Spinel (of Dana)' | - | |
| ⓘ | 'Orthopyroxene Subgroup' | - | |
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
| ⓘ | 'Olivine Group' | - | M2SiO4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| C | Carbon | |
| C | ⓘ Diamond | C |
| C | ⓘ Moissanite | SiC |
| O | Oxygen | |
| O | ⓘ Andalusite | Al2(SiO4)O |
| O | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Corundum | Al2O3 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Forsterite | Mg2(SiO4) |
| O | ⓘ Kyanite | Al2(SiO4)O |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Titanite | CaTi(SiO4)O |
| O | ⓘ Wüstite | FeO |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | ⓘ Olivine Group | M2SiO4 |
| Mg | Magnesium | |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Forsterite | Mg2(SiO4) |
| Al | Aluminium | |
| Al | ⓘ Andalusite | Al2(SiO4)O |
| Al | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Al | ⓘ Corundum | Al2O3 |
| Al | ⓘ Kyanite | Al2(SiO4)O |
| Si | Silicon | |
| Si | ⓘ Andalusite | Al2(SiO4)O |
| Si | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Forsterite | Mg2(SiO4) |
| Si | ⓘ Kyanite | Al2(SiO4)O |
| Si | ⓘ Moissanite | SiC |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Titanite | CaTi(SiO4)O |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Si | ⓘ Olivine Group | M2SiO4 |
| Ca | Calcium | |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Titanite | CaTi(SiO4)O |
| Ti | Titanium | |
| Ti | ⓘ Rutile | TiO2 |
| Ti | ⓘ Titanite | CaTi(SiO4)O |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Native Iron | Fe |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Wüstite | FeO |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
Other Regions, Features and Areas containing this locality
AsiaContinent
- Hindukush Himalayan RegionGroup of Mountain Ranges
China
- ⭔Southwest ChinaRegion
- Tibet
- Bangonghu–Nujiang metallogenic beltMineral Belt
- Gangdese Metallogenic BeltMineral Belt
Eurasian PlateTectonic Plate
- Lhasa TerraneVolcanic Arc
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References
[1]Zhang, Boyang, Zoheir, Basem, Zhang, Chenjie, Mu, Xiaoping, Xu, Xiangzhen, Qiu, Tian, Xiong, Fahui (2023) Coexisting High-Al and High-Cr Chromitites in the Dingqing Ophiolite (SE Tibet): Inferences to Compositional Heterogeneity in the Tethyan Upper Mantle. Minerals, 13 (9) doi:10.3390/min13091234