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 216
... invertebrate fossils , although its plant fossils ( Plumstead 1967 , 1969 ) and fish fossils ( Jubb 1965 ; Gardiner 1969 ) are fairly well documented . However , rare marine invertebrates have been recovered from a number of widely ...
... invertebrate fossils , although its plant fossils ( Plumstead 1967 , 1969 ) and fish fossils ( Jubb 1965 ; Gardiner 1969 ) are fairly well documented . However , rare marine invertebrates have been recovered from a number of widely ...
Page 218
... marine invertebrates . Overlying the Weltevrede Formation , the Witpoort Formation again consists of thick cross - bedded quartz arenites and thin carbonaceous shales . Plant fossils and trace fossils have been recorded . SEDIMENTARY ...
... marine invertebrates . Overlying the Weltevrede Formation , the Witpoort Formation again consists of thick cross - bedded quartz arenites and thin carbonaceous shales . Plant fossils and trace fossils have been recorded . SEDIMENTARY ...
Page 220
... marine invertebrates were recovered from the topmost cycle . The upward - fining cycles are interpreted as being the products of a tidal - flat environment crossed by meandering tidal channels ( Tankard & Barwis 1982 ) . The change ...
... marine invertebrates were recovered from the topmost cycle . The upward - fining cycles are interpreted as being the products of a tidal - flat environment crossed by meandering tidal channels ( Tankard & Barwis 1982 ) . The change ...
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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