Stromatolites

Stromatolites are layered mounds or sheet-like layers of sedimentary rock that were originally forced by growing on a layer of cyanobacteria, a single-cell microbe. Fossilized stromatolites provide a record of ancient life and tidal patterns on Earth. Millions of years ago, seas all over the world would resemble the picture above, which was taken fromContinue reading “Stromatolites”

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