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 220
... tidal - flat environment crossed by meandering tidal channels ( Tankard & Barwis 1982 ) . The change - over from the Weltevrede Formation to the Witpoort Formation is thought to mark a major change in shoreline configuration from a ...
... tidal - flat environment crossed by meandering tidal channels ( Tankard & Barwis 1982 ) . The change - over from the Weltevrede Formation to the Witpoort Formation is thought to mark a major change in shoreline configuration from a ...
Page 221
... tidal inlets . The clean quartz arenites that form the bulk of the Witpoort Formation show many of the characteristics of tidal - inlet channel fill , tidal deltas , and beach and foreshore deposits similar to Fig . 6. Black ...
... tidal inlets . The clean quartz arenites that form the bulk of the Witpoort Formation show many of the characteristics of tidal - inlet channel fill , tidal deltas , and beach and foreshore deposits similar to Fig . 6. Black ...
Page 229
... tidal inlet sand deposits : examples from the South Carolina coast , IID . In : HAYES , M. O. & KANA , T. W. Terrigenous clastic depositional environments . Technical Report . University of South Carolina 11 - CRD : 128-142 . JOHNSON ...
... tidal inlet sand deposits : examples from the South Carolina coast , IID . In : HAYES , M. O. & KANA , T. W. Terrigenous clastic depositional environments . Technical Report . University of South Carolina 11 - CRD : 128-142 . JOHNSON ...
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Common terms and phrases
abbreviated AFRICA articulate brachiopods barrier islands basal Witteberg beds benthic assemblages BENTHIC COMMUNITIES Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes comma cross-bedded delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna 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 Orbiculoidea overlain paratypes parentheses pedicle valve Plectonotus sp punctuation quartz arenite unit registration number ripple cross-laminated sandstone Roman numerals salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid 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 vicinity of Touws volume number Wagen Drift Formation wash-over WELTEVREDE FORMATION Fig Western Cape yielded marine invertebrate