Biostratigraphy of the lower Burgersdorp Formation (Beaufort Group; Karoo Supergroup) of South Africa – implications for the stratigraphic ranges of early Triassic tetrapods

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dc.contributor.authorNeveling, J.
dc.contributor.authorHancox, P. J.
dc.contributor.authorRubidge, B. S.
dc.date.accessioned2014-12-15T23:25:29Z
dc.date.available2014-12-15T23:25:29Z
dc.date.issued2005
dc.description.abstractThe Beaufort Group (Karoo Supergroup) of South Africa comprises a thick sequence of fluvio-lacustrine sedimentary rocks that accumulated in a landlocked, intracratonic foreland basin in southwestern Gondwana during the Middle Permian to Middle Triassic. To the south this basin was bounded by the Cape Fold Belt, which acted as the major source of both sediment and discharge. Rocks of the Beaufort Group are renowned for their rich fossil record and eight tetrapod-based biozones are currently recognized. The uppermost two biozones of the Beaufort Group, the Lystrosaurus and Cynognathus assemblage zones, record terrestrial biotic recovery following the Permo-Triassic mass extinction event. Stratigraphic overlap between these biozones occurs in the proximal sector, but their separation by an unconformity in the distal sector reflects the incomplete preservation of the sequence in this part of the basin. Our results afford chronostratographic control that impacts on current theories on the development of the Karoo Basin, and on the relative age of the sequence.en_ZA
dc.description.sponsorshipSouth African Council for Geoscience, the University of the Witwatersrand and the National Research Foundation.en_ZA
dc.identifier.issn0078-8554
dc.identifier.urihttp://hdl.handle.net/10539/16000
dc.language.isoenen_ZA
dc.publisherBERNARD PRICE INSTITUTE FOR PALAEONTOLOGICAL RESEARCHen_ZA
dc.titleBiostratigraphy of the lower Burgersdorp Formation (Beaufort Group; Karoo Supergroup) of South Africa – implications for the stratigraphic ranges of early Triassic tetrapodsen_ZA
dc.typeArticleen_ZA
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Volume 41 December 2005