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 215
... arranged in a number of thin upward - fining cycles and displaying flaser , lenticular and wavy bedding . This sequence rests on lithic arenites at the top of an upward - coarsening unit and is overlain by thick cross - bedded quartz ...
... arranged in a number of thin upward - fining cycles and displaying flaser , lenticular and wavy bedding . This sequence rests on lithic arenites at the top of an upward - coarsening unit and is overlain by thick cross - bedded quartz ...
Page 220
... arranged in a number of upward - fining cycles ( Fig . 5 ) . The sandstone units thin upwards and are overlain by vertical alternations of siltstone and shale in which flaser and lenticular bedding are common . Trace fossils are common ...
... arranged in a number of upward - fining cycles ( Fig . 5 ) . The sandstone units thin upwards and are overlain by vertical alternations of siltstone and shale in which flaser and lenticular bedding are common . Trace fossils are common ...
Page
... arrangement should be according to chronology of names , i.e. all published scientific names by which the species previously has been designated are listed in chronological order , with all references to that name following in ...
... arrangement should be according to chronology of names , i.e. all published scientific names by which the species previously has been designated are listed in chronological order , with all references to that name following in ...
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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