Precambrian stromatolites. Dating from 800 million years ago,these are some of the oldest stromatolites in Namibia. A stromatolite is a sedimentary structure formed by the trapping and binding of particles by communities of marine micro-organisms,particularly cyanobacteria (blue-green algae). Photographed at the Moringa waterhole,Halali,Namibia | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Stammers, Sinclair |
Taille de l’image : | 5128 px × 3407 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |