Lüliang Mountain, Qaidam Basin (Chaidan Basin; Tsaidam Basin), Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, Chinai
| Regional Level Types | |
|---|---|
| Lüliang Mountain | Complex |
| Qaidam Basin (Chaidan Basin; Tsaidam Basin) | Basin |
| Haixi Mongol and Tibetan Autonomous Prefecture | Prefecture |
| Qinghai | Province |
| China | Country |
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Latitude & Longitude (WGS84):
37° 57' North , 94° 58' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
The exposed strata in this region primarily consist of the Paleoproterozoic Dakendaban Group, Mesoproterozoic Yukahe Group, and Ordovician Tanjianshan Group, as well as granodiorite (Silurian) and mafic–ultramafic intrusive rocks (Cambrian to Ordovician). The Dakendaban Group comprises granulite, schist, and quartzite, while the Yukahe Group consists of schist, granulite, eclogite (metamorphic zircons yield an age range of 430 to 495 Ma), and marble. The Tanjianshan Group is subdivided into a metavolcanic formation and a metaclastic formation. The metavolcanic formation includes metabasalt, metabasaltic andesite, propylite, and schist, while the metaclastic formation is composed of schist, porcelanite, quartzite, and granulite. The granodiorite occurs as lens-shaped bodies enclosed within the Dakendaban Group. There are more than 10 occurrences of mafic–ultramafic intrusive rocks in the study area, with five significant ones extending from north to south: the northern and southern slopes of Lüliang Mountain, Luofengpo, Taipinggou, and Kaipinggou rock bodies. The lithology of the mafic–ultramafic intrusive rocks mainly consists of serpentinite, with the occasional presence of gabbro and amphibolite. These rocks are distributed in a NW–SE trending belt or lens-shaped formations, surrounded by the Dakendaban Group, Yukahe Group, and Tanjianshan Group. The strata and rock formations in the area generally align along a NW–SE tectonic axis, but localized disruptions can be observed. These irregularities are believed to be the result of subsequent regional tectonic events and volcanic activities, leading to alterations in the geological features.
Chromite is dominantly present as veinlet or disseminated aggregates in the serpentinite. The chromite veins have variable thicknesses ranging from 0.5 to 3 cm and length varying from 1 to 15 cm.
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
4 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:
| ⓘ 'Chlorite Group' |
| ⓘ Chromite Formula: Fe2+Cr3+2O4 |
| ⓘ Magnesite Formula: MgCO3 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
| ⓘ Zircon Formula: Zr(SiO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Magnesite | 5.AB.05 | MgCO3 |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| Unclassified | |||
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| C | Carbon | |
| C | ⓘ Magnesite | MgCO3 |
| O | Oxygen | |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Magnesite | MgCO3 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Mg | Magnesium | |
| Mg | ⓘ Magnesite | MgCO3 |
| Si | Silicon | |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
Other Regions, Features and Areas containing this locality
AsiaContinent
China
- East Kunlun Metallogenic BeltMineral Belt
- Qaidam Li Mineral BeltMineral Belt
- Qilian Metallogenic BeltMineral Belt
- Qilian MountainsMountain Range
Eurasian PlateTectonic Plate
- Kunlun/South Qilian Fold BeltVolcanic Arc
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