Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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Page 218
... plant fossils . This in turn , is overlain by the Swartruggens Formation , a relatively thick heterolithic unit comprising siltstone and shale with thin sandstone interbeds , and containing plant fossils and Zoophycos traces . The top ...
... plant fossils . This in turn , is overlain by the Swartruggens Formation , a relatively thick heterolithic unit comprising siltstone and shale with thin sandstone interbeds , and containing plant fossils and Zoophycos traces . The top ...
Page 222
... plant fragments . These probably formed in stagnant back - barrier lagoonal or marsh environments ( Fig . 6 ) . A similar detailed facies analysis is not available for the lower part of the Witteberg Group in the Western Cape but Theron ...
... plant fragments . These probably formed in stagnant back - barrier lagoonal or marsh environments ( Fig . 6 ) . A similar detailed facies analysis is not available for the lower part of the Witteberg Group in the Western Cape but Theron ...
Page 229
... plant life in Africa . Transactions and Proceedings of the Geological Society of South Africa 72 ( Annexure ) . RAUP , D. M. & STANLEY , S. M. 1971. Principles of palaeontology . San Francisco : W. H. Freeman & Co. REDDERING , J. S. V. ...
... plant life in Africa . Transactions and Proceedings of the Geological Society of South Africa 72 ( Annexure ) . RAUP , D. M. & STANLEY , S. M. 1971. Principles of palaeontology . San Francisco : W. H. Freeman & Co. REDDERING , J. S. V. ...
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Common terms and phrases
abbreviated AFRICA articulate brachiopods barrier islands benthic assemblages BENTHIC COMMUNITIES bicuspidata Gould bivalves bivalves and possible Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes Chonetid Community comma cross-bedded deeper-water subtidal conditions delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna Formation near Touws Frasnian gastropod genus Givetian Grahamstown high-diversity holotype homalonotid trilobite horizontal lamination Howison's Poort inarticulate infaunal interpreted Leda Lingula lepta LOWER WITTEBERG GROUP Museum Natural History namacolus Orbiculoidea overlain paratypes parentheses pedicle valve punctuation salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline shouldered italics siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid Community Stratigraphic subheadings are shouldered suspension feeders SWARTRUGGENS FORMATION Synonymy Tankard & Barwis taxa Theron thin tidal tidal-flat Touws River trace fossils Trigonoglossa Tropidoleptus sp Upper Devonian upward-fining cycles Wagen Drift Formation wash-over Weltevrede Formation Western Cape Witpoort Formation yielded marine invertebrate