Baykonur Formation
| Baykonur Formation | |
|---|---|
| Stratigraphic range: Ediacaran ~ | |
| Type | Geological formation |
| Unit of | Ulutau Group |
| Underlies | Koktal Formation Kurumsak Formation, Kurmenty Formation, Terreneuvian shale (unconformity) |
| Overlies | Kurayly Formation, Aksumbe Formation, Dzakhbolot Formation, Tonian-Cryogenian boundary (unconformity) |
| Thickness | up to 600 metres (1,970 ft) |
| Lithology | |
| Primary | Diamictite, shale |
| Other | Phyllite, feldspar, dolomite, conglomerate |
| Location | |
| Region | Ulytau, Bolshoi Karatau, Aksu-Zhabagly, Middle Tian Shan, Kyrgyzstan-China border |
| Country | Kazakhstan and Kyrgyzstan |
| Type section | |
| Named for | Baikonyr |
| Region | Rang River, Kazakhstan |
The Baykonur Formation is a geological formation of Neoproterozoic (Ediacaran) age which outcrops in Kazakhstan and Kyrgyzstan. It is correlated in age with the Hankalchough Formation in China where glaciation also occurred.