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
... Touws River . Theron ( 1970 , 1972 ) , who had also collected in the Touws River area , used brachiopods and a trilobite as a basis for assigning a Lower to Middle Devonian or possibly an Upper Devonian to Lower Carboniferous age to the ...
... Touws River . Theron ( 1970 , 1972 ) , who had also collected in the Touws River area , used brachiopods and a trilobite as a basis for assigning a Lower to Middle Devonian or possibly an Upper Devonian to Lower Carboniferous age to the ...
Page 218
... Touws River ( Boucot et al . 1983 ) . Overlying the Wagen Drift Formation is the Blinkberg Formation , an extremely mature quartz arenite unit , which contains some plant fossils . This in turn , is overlain by the Swartruggens ...
... Touws River ( Boucot et al . 1983 ) . Overlying the Wagen Drift Formation is the Blinkberg Formation , an extremely mature quartz arenite unit , which contains some plant fossils . This in turn , is overlain by the Swartruggens ...
Page 223
... Touws River . x 5. E. External mould of a pedicle valve of Lingula sp . , Wagen Drift Formation , Elim , west of Touws River . x 2,5 . A B E F Fig . 8. Fossils from the. SEDIMENTARY FACIES IN THE LOWER WITTEBERG GROUP 223.
... Touws River . x 5. E. External mould of a pedicle valve of Lingula sp . , Wagen Drift Formation , Elim , west of Touws River . x 2,5 . A B E F Fig . 8. Fossils from the. SEDIMENTARY FACIES IN THE LOWER WITTEBERG GROUP 223.
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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