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Lithostratigraphy


Cretaceous


Ordovician

Not placed in stage

Stairway sandstone (Middle Ordovician)


Cambrian

GuzhangianShannon formation (Drumian – Guzhangian)
DrumianAroona Creek limestone (Wuliuan – Drumian)
Shannon formation (Drumian – Guzhangian)
Wirrealpa limestone (Wuliuan – Drumian)
WuliuanAroona Creek limestone (Wuliuan – Drumian)
Wirrealpa limestone (Wuliuan – Drumian)
Cambrian stage 4Boxing Bay formation
Emu Bay shale
Marsden sandstone
White Point conglomerate
Billy Creek formation
Cambrian stage 3Ajax 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 2Ajax limestone (Cambrian stage 2 – Cambrian stage 3)
Mernmerna formation (Cambrian stage 2 – Cambrian stage 3)
Fork Tree limestone
Parachilna formation
Sellick Hill formation
Woodendinna dolostone
Wirrapowie limestone (Cambrian stage 2 – Cambrian stage 3)
Wilkawillina limestone (Cambrian stage 2 – Cambrian stage 3)

Not placed in stage

Parara limestone (Lower Cambrian)


Ediacaran