Xikeng Formation
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UnderliesXiaoxi Formation
OverliesXiajiaqiao Formation[1]
| Xikeng Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Underlies | Xiaoxi Formation |
| Overlies | Xiajiaqiao Formation[1] |
| Lithology | |
| Primary | Sandy mudstone, siltstone |
| Other | Sandstone |
| Location | |
| Location | Xiushui County |
| Region | Jiangxi Province |
| Country | China |
The Xikeng Formation is located in Xiushui County, Jiangxi Province, and contains alternating beds of purplish red, grayish green and yellow green sandy and muddy rocks. The Xikeng Formation is dated to the Late Silurian - Early Devonian period.[2]
A new outcrop was identified within Baishui town in 2025 which extended the age of the Xikeng Formation to 436 million years ago.[3]
