Balang Formation
| Balang Formation | |
|---|---|
| Stratigraphic range: | |
An Isoxys specimen from the Balang Formation. | |
| Type | Geological formation |
| Thickness | 100 m (330 ft) to 658 m (2,159 ft) |
| Lithology | |
| Primary | Shale, Calcareous mudstone |
| Other | Limestone, Siltstone |
| Location | |
| Country | China |
The Balang formation, is a Cambrian Period geological formation, which outcrops in western Hunan and eastern Guizhou in southern China. It contains Burgess Shale-type soft-bodied fossils. It is intermediate in age between the Chengjiang and Kaili lagerstatten. It contains a low diversity of trilobites.