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
... lower part of the group ( Fig . 1 ) . Swart ( 1950 ) recorded the presence of the inarticulate brachiopod Lingula and further indeterminate brachiopods and bivalves in the lowest part of the Witteberg Group in the Wuppertal area . D. K. ...
... lower part of the group ( Fig . 1 ) . Swart ( 1950 ) recorded the presence of the inarticulate brachiopod Lingula and further indeterminate brachiopods and bivalves in the lowest part of the Witteberg Group in the Wuppertal area . D. K. ...
Page 217
... Witteberg Group ( Fig . 2 ) . It consists essentially of siltstone and shale with interbedded sandstones . Hiller & Dunlevey ( 1978 ) , working in the Touws River - Montagu area , subdivided that part of the ... LOWER WITTEBERG GROUP 217.
... Witteberg Group ( Fig . 2 ) . It consists essentially of siltstone and shale with interbedded sandstones . Hiller & Dunlevey ( 1978 ) , working in the Touws River - Montagu area , subdivided that part of the ... LOWER WITTEBERG GROUP 217.
Page 228
... Witteberg Group has made dating of the rocks rather difficult . Fish remains from the Waaipoort Formation in the upper part of the group led Gardiner ( 1969 ) to propose a Lower Carboniferous age , whereas Stapleton ( 1977a , 1977b ) ...
... Witteberg Group has made dating of the rocks rather difficult . Fish remains from the Waaipoort Formation in the upper part of the group led Gardiner ( 1969 ) to propose a Lower Carboniferous age , whereas Stapleton ( 1977a , 1977b ) ...
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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