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
... CT - Cape Town , G - Grahamstown , PE - Port Elizabeth , R - Robertson , TR - Touws River , WE - Willowmore , WL - Wupperthal . based on sedimentary facies analysis . Pickerill & Hurst ( 216 ANNALS OF THE SOUTH AFRICAN MUSEUM.
... CT - Cape Town , G - Grahamstown , PE - Port Elizabeth , R - Robertson , TR - Touws River , WE - Willowmore , WL - Wupperthal . based on sedimentary facies analysis . Pickerill & Hurst ( 216 ANNALS OF THE SOUTH AFRICAN MUSEUM.
Page 217
... facies analysis that could provide corroborative evidence for the environmental assumptions . STRATIGRAPHY In the Western Cape , the Wagen Drift Formation is the lowest unit of the Witteberg Group ( Fig . 2 ) . It consists essentially ...
... facies analysis that could provide corroborative evidence for the environmental assumptions . STRATIGRAPHY In the Western Cape , the Wagen Drift Formation is the lowest unit of the Witteberg Group ( Fig . 2 ) . It consists essentially ...
Page 222
... facies analysis is not available for the lower part of the Witteberg Group in the 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 ...
... facies analysis is not available for the lower part of the Witteberg Group in the 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 ...
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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