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Stromatolites

Stromatolite or stromatolith

Description:

Layered accretionary structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilm of microorganisms, especially cyanobacteria ( commonly known as blue-green algae) Stromatolites provide the most ancient records of life on earth by fossil remains which date from more than 3.5 billion years ago.

Habitat:

Hamelin Pool near Kalbarri WA. Shallow water.

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KerryHawkins
Spotted by
KerryHawkins

Western Australia, Australia

Spotted on Aug 8, 2003
Submitted on Jun 8, 2013

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