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Stromatolithe Paléoarchéen - MNHT.PAL.2009.10.1
Taken on 30 July 2011
- Classification
- Photograph
- Museum
- Wikimedia Commons
- Rights
- CC BY-SA 4.0, as the museum states it.
- Who can see it
- Teens profiles and older: its museum says too little about what it shows to place it for younger viewers. How works are placed
About this work
Stromatolite Stromatolites are formed over the years by mats (1-10 mm in thickness) of microorganisms (cynobacteria among others) found in shallow, mainly marine waters. The microorganisms precipitate mineral particles, which makes the mat to thicken, but only the upper part survives. Most stromatolites display characteristically layered structures. Only the layers are visible to the naked eye. Stage : Paleoarchean from -3 600 à -3 200 Ma (million years ago). Locality: Strelley Pool Chert (SPC) (Pilbara Craton) - Western Australia.
