Lithostratigraphy
Cretaceous
Ordovician
Cambrian
| Guzhangian | Shannon formation (Drumian – Guzhangian) |
| Drumian | Aroona Creek limestone (Wuliuan – Drumian) Shannon formation (Drumian – Guzhangian) Wirrealpa limestone (Wuliuan – Drumian) |
| Wuliuan | Aroona Creek limestone (Wuliuan – Drumian) Wirrealpa limestone (Wuliuan – Drumian) |
| Cambrian stage 4 | Boxing Bay formation Emu Bay shale Marsden sandstone White Point conglomerate Billy Creek formation |
| Cambrian stage 3 | Ajax limestone (Cambrian stage 2 – Cambrian stage 3) Heatherdale shale Mernmerna formation (Cambrian stage 2 – Cambrian stage 3) Ramsay limestone Wirrapowie limestone (Cambrian stage 2 – Cambrian stage 3) Wilkawillina limestone (Cambrian stage 2 – Cambrian stage 3) |
| Cambrian stage 2 | Fork Tree limestone Sellick Hill formation Wirrapowie limestone (Cambrian stage 2 – Cambrian stage 3) Mernmerna formation (Cambrian stage 2 – Cambrian stage 3) Woodendinna dolostone Parachilna formation Ajax limestone (Cambrian stage 2 – Cambrian stage 3) Wilkawillina limestone (Cambrian stage 2 – Cambrian stage 3) Wangkonda formation |
Not placed in stage
Parara limestone (Lower Cambrian)