Significance
Moderate/Medium
Earliest known terrestrial cyanobacterial mats recorded from playa lake deposits of the Makgabeng Fm (Waterberg Group) (1.8 Ga) in Limpopo and might also occur in Gauteng
Additional Comments
Early Proterozoic “red beds” provide evidence for the development of an oxygenated atmosphere after c. 2Ga
Vrw, Vlo previously included within the uppermost Pretoria Group but are now regarded as proto-Waterberg units.
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