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Stromatolites underwater md

Stromatolites or stromatoliths are layered accretionary structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilms of microorganisms, especially cyanobacteria (commonly known as blue-green algae). Stromatolites provide some of the most ancient records of life on Earth.

Stromatolites in Sharkbay

Morphology[]

Formation[]

Fossil record[]

Modern occurrence[]

Gallery[]

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