Over in Haemlin Pool in Shark Bay, Western Australia lies preserved rock fossils thought to be almost 3.5 million years old called Microbialites.

These are very fragile fossils and have been at risk of over collecting, degradation and growing pressures.

Erturac, CC BY-SA 4.0, via Wikimedia Commons

Over in Haemlin Pool in Shark Bay, Western Australia lies preserved rock fossils thought to be almost 3.5 million years old called Microbialites.
These are very fragile fossils and have been at risk of over collecting, degradation and growing pressures.
<a href="https://commons.wikimedia.org/wiki/File:Microbialite_lakeVan_2021.jpg">Erturac</a>, <a href="https://creativecommons.org/licenses/by-sa/4.0">CC BY-SA 4.0</a>, via Wikimedia Commons