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
... Sedimentary facies Fauna Palaeoecology Age Conclusions References Analysis of the sedimentary facies shows that the fossils come from a sequence of interbedded shales , siltstones and sandstones arranged in a number of thin upward ...
... Sedimentary facies Fauna Palaeoecology Age Conclusions References Analysis of the sedimentary facies shows that the fossils come from a sequence of interbedded shales , siltstones and sandstones arranged in a number of thin upward ...
Page 218
... SEDIMENTARY FACIES In their summary of the depositional environments , Tankard et al . ( 1982 ) stated that the sedimentation in the lower part of the Witteberg Group was controlled by the continuation of a series of transgressions and ...
... SEDIMENTARY FACIES In their summary of the depositional environments , Tankard et al . ( 1982 ) stated that the sedimentation in the lower part of the Witteberg Group was controlled by the continuation of a series of transgressions and ...
Page 229
... Facies shifts , sea - level changes and event stratigraphy in the Devonian of South Africa . South African Journal of Science 82 ( 5 ) : 255-258 . COPPER , P. 1977 ... SEDIMENTARY FACIES IN THE LOWER WITTEBERG GROUP 229 References.
... Facies shifts , sea - level changes and event stratigraphy in the Devonian of South Africa . South African Journal of Science 82 ( 5 ) : 255-258 . COPPER , P. 1977 ... SEDIMENTARY FACIES IN THE LOWER WITTEBERG GROUP 229 References.
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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