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
... Western Cape , two localities in the Wagen Drift Formation have yielded a number of brachiopods , including Tropidoleptus , Australospirifer , chonetaceans and linguloids , as well as bivalves and possible bryozoa . The greater ...
... Western Cape , two localities in the Wagen Drift Formation have yielded a number of brachiopods , including Tropidoleptus , Australospirifer , chonetaceans and linguloids , as well as bivalves and possible bryozoa . The greater ...
Page 217
... Western Cape , the Wagen Drift Formation is the lowest unit of the Witteberg Group ( Fig . 2 ) . It consists essentially of siltstone and shale with interbedded sandstones . Hiller & Dunlevey ( 1978 ) , working in the Touws River ...
... Western Cape , the Wagen Drift Formation is the lowest unit of the Witteberg Group ( Fig . 2 ) . It consists essentially of siltstone and shale with interbedded sandstones . Hiller & Dunlevey ( 1978 ) , working in the Touws River ...
Page 222
... Western Cape but Theron ( 1970 ) stated that the basal Witteberg beds are part of a regressive cycle that follows directly on from similar cycles in the Bokkeveld Group . Tankard et al . ( 1982 ) indicated that the Wagen Drift Formation ...
... Western Cape but Theron ( 1970 ) stated that the basal Witteberg beds are part of a regressive cycle that follows directly on from similar cycles in the Bokkeveld Group . Tankard et al . ( 1982 ) indicated that the Wagen Drift Formation ...
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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