Lithostratigraphy
Ordovician
| Darriwilian | Tuwibong formation Jigunsan formation |
| Dapingian | Makgol formation |
| Tremadoc | Dumugol formation Dongjeom formation |
Cambrian
| Cambrian stage 10 | Hwajeol formation |
| Jiangshanian | Sesong formation (Paibian – Jiangshanian) |
| Paibian | Sesong formation (Paibian – Jiangshanian) |
| Guzhangian | Daegi formation (Wuliuan – Guzhangian) |
| Drumian | Daegi formation (Wuliuan – Guzhangian) |
| Wuliuan | Daegi formation (Wuliuan – Guzhangian) |
| Cambrian stage 4 | Myobong formation |
| Cambrian stage 3 | Jangsan formation Myeonsan formation |