Fossilised River Bed Ripples

A recent field trip to the Great Fish River Nature Reserve revealed some fossilised river bed ripples in a dry river tributary (Upper Ngcabasa) of the Keiskamma River. The direction of fossilised river bed ripples can be used to work out the direction of ancient river flows.

These fossilised ripples have been formed in the sedimentary Beaufort Group of rocks of the Karoo Supergroup. This is a first record of its kind for the East London Museum in this reserve discovered by museum scientist Kevin Cole.

Fossilised river bed ripples (inset).
Picture: East London Museum

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About East London Museum Science

Conservation Biologist East London Museum South Africa
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