Zhaojue–Meigu region, Meigu County, Liangshan Yi, Sichuan, Chinai
| Regional Level Types | |
|---|---|
| Zhaojue–Meigu region | Ore Field |
| Meigu County | County |
| Liangshan Yi | Autonomous Prefecture |
| Sichuan | Province |
| China | Country |
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Latitude & Longitude (WGS84):
28° 10' 0'' North , 103° 4' 59'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
The formation of Nanhong agate is linked with the creation of the nearby Emeishan basalt during the late Permian period. Volcanic activities during this period enabled the mineralization of agate through the percolation of silica-rich hydrothermal fluids containing metal ions, which imparted the distinctive coloration. These pebbles were then deposited within the sedimentary layers of the Xuanwei and Feixianguan groups in the Zhaojue–Meigu area, forming secondary ore deposits. Of economic significance, agate deposits are predominantly situated within the second member of the Feixianguan Formation. These hard layers, marked by siliceous cementation, host an agate ore grade of 2–3%, predominantly featuring cherry-red agate, with some occurrences of floating ice-red and white agate. These distinctive agate-bearing layers, harder than the adjacent strata and with a gravel content ranging from 60% to 70%, are predominantly composed of volcanic rocks.
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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
1 valid mineral.
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:
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Agate Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz var. Agate | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz var. Agate | SiO2 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz var. Agate | SiO2 |
| Si | ⓘ Quartz | SiO2 |
Other Regions, Features and Areas containing this locality
AsiaContinent
China
- Sichuan-Yunnan-Guizhou metallogenic beltMineral Belt
- ⭔Southwest ChinaRegion
Eurasian PlateTectonic Plate
- Western Yangtze CratonCraton
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