Abstract

The Lower Cretaceous Buffelskloof Formation forms part of the uppermost Uitenhage Group, which is broadly composed of continental strata that infilled Mesozoic rift basins that developed during the breakup of the supercontinent Gondwana. The Buffelskloof Formation is mapped in the Oudtshoorn, Heidelberg and Mossel Bay basins, along the southern continental margin of South Africa. It reaches a maximum measured thickness of 450 m and is made up of conglomerates, sandstones and mudstones that were laid down in both alluvial fans and as scree deposits, and further away from the source areas in braided rivers. The age of the Buffelskloof Formation is considered to be Late Valanginian/Hauterivian, based on regional stratigraphic correlation.

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