Category Archives: outcrops

Some of the more massive limestone beds in the Nama group are chock full of stromatolites, the remnants of sizeable Precambrian algal reefs. Technically, stromatolites are not true fossils, because the mineralised layers are not directly precipitated by the photosynthetic … Continue reading →

The base of the Cambrian is traditionally thought of as the point at which large, mineralised body fossils first appear in the geological record, giving us a much-improved record of the development of life up to the present day. However, … Continue reading →