A new GIS-based biozone map of the Beaufort Group (Karoo Supergroup), South Africa

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dc.contributor.authorvan der Walt, Merrill
dc.contributor.authorDay, Michael
dc.contributor.authorRubidge, Bruce
dc.contributor.authorCooper, Antony K.
dc.contributor.authorNetterberg, Inge
dc.date.accessioned2014-02-18T07:41:13Z
dc.date.available2014-02-18T07:41:13Z
dc.date.issued2010-12
dc.description.abstractThe stratigraphic subdivision of the Karoo Supergroup of South Africa has been addressed for more than a century by various geoscience studies. A lack of good lithostratigraphic markers in the Beaufort Group and the fact that the succession preserves a rich diversity of therapsid fossils for which there is a robust taxonomic scheme, make biostratigraphy the best option for correlation. This is applicable both within the basin and when comparing the Karoo succession to other coeval depositional basins. Published biostratigraphic maps of the Beaufort Group were compiled based on rough estimates of the distribution of zone-defining tetrapod fossil genera throughout the basin. None of these simultaneously utilized all the databases of South African museum collections. The recent application of GIS technology to integrate the vertebrate fossil databases of all South African museums has resulted in a far more precise biozone map which can be continuously updated as new information is received. This digital map introduces an entirely new way of representing the geographical distribution of fossil data, and thus can potentially enhance basin development and tetrapod biogeographic studies.en_ZA
dc.identifier.issn0078-8554
dc.identifier.urihttp://hdl.handle.net10539/13819
dc.language.isoenen_ZA
dc.publisherBernard Price Institute for Palaeontological Research, University of the Witwatersranden_ZA
dc.subjectKaroo Supergroupen_ZA
dc.subjectfossil tetrapodsen_ZA
dc.subjectbiostratigraphyen_ZA
dc.titleA new GIS-based biozone map of the Beaufort Group (Karoo Supergroup), South Africaen_ZA
dc.typeArticleen_ZA
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Volume 45 December 2010