Lithostratigraphy
Silurian
Cambrian
| Paibian | Booley Bay formation (Drumian – Paibian) |
| Guzhangian | Booley Bay formation (Drumian – Paibian) |
| Drumian | Booley Bay formation (Drumian – Paibian) |
| Paibian | Booley Bay formation (Drumian – Paibian) |
| Guzhangian | Booley Bay formation (Drumian – Paibian) |
| Drumian | Booley Bay formation (Drumian – Paibian) |