A 2500 year old pseudo shell midden on Longreach Bay? You better believe it.
We were browsing Scientific Commons and were delighted to see this 1978 paper.
"The calcareous soils of the island are very well drained," the authors say in their introduction: we love it when we see a reference to Rottnest's calcareous soils.
It is fascinating reading, although "we cannot preclude the possibility that the surface zone of the sheltered deposit represents the remains of a shellfish midden from the prison era."
But it could also be from "a spearhead manufacturing site overlying a naturally accumulated shell deposit."
Check it out here.
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