Tuesday, October 20, 2015

Stromatolites (May 2015)

Apart from the Pinnacles Cervantes is also one of two places on earth where you can see life stromatolites (the other is in Shark Bay further north in WA). Stromatolites are very ancient live forms where colonies of bacteria form a thin living layer that captures sand and sediment and as such slowly build rock, continue to grow over time. In fact this is as far as we know the earliest form of live –correct me if I’m wrong- and therefor worth a visit. What stromatolites need to be able to grow is very salty water, saltier than the ocean. They look like rocks in the end.

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