Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 216
... is not noted for its invertebrate fossils , although its plant fossils ( Plumstead 1967 , 1969 ) and fish fossils ( Jubb 1965 ... along with trace fossils , in rocks of the lower Witteberg Group in the Willowmore district .
... is not noted for its invertebrate fossils , although its plant fossils ( Plumstead 1967 , 1969 ) and fish fossils ( Jubb 1965 ... along with trace fossils , in rocks of the lower Witteberg Group in the Willowmore district .
Page 217
Pickerill & Hurst ( 1983 ) have pointed out that the major drawback with many studies that have used fossils to define depth ... The sandstones show occasional cross - bedding and contain numerous examples of the trace fossil Zoophycos ...
Pickerill & Hurst ( 1983 ) have pointed out that the major drawback with many studies that have used fossils to define depth ... The sandstones show occasional cross - bedding and contain numerous examples of the trace fossil Zoophycos ...
Page 218
This in turn , is overlain by the Swartruggens Formation , a relatively thick heterolithic unit comprising siltstone and shale with thin sandstone interbeds , and containing plant fossils and Zoophycos traces . The top of the Weltevrede ...
This in turn , is overlain by the Swartruggens Formation , a relatively thick heterolithic unit comprising siltstone and shale with thin sandstone interbeds , and containing plant fossils and Zoophycos traces . The top of the Weltevrede ...
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Common terms and phrases
abbreviated according articulate brachiopods association author's name authors basal bedding benthic assemblages bivalves Blinkberg Bokkeveld Group Boucot capital collected communities consists containing cycles delta deposited described Devonian Devonian rocks differences displaying DISTRIBUTARY diversity dominated Eastern environment environmental fauna figures gastropod homalonotid Howison's Poort illustrations inarticulate indicate infaunal interpreted intertidal italics known letters Lingula localities lower major marine marine invertebrates mark Member Middle mould Museum Natural History nearshore Note occur original periods placed plant fossils Plectonotus possible quartz arenites range recognized recorded references represent reworking salinity sandstones scientific sediment SEDIMENTARY FACIES separates sequence shales shallow siltstone similar Smith South African species specimens Stratigraphic subtidal suggest Tables Tankard thick thin Touws River trace fossils trilobite unit upper upward-fining valve Wagen Drift Formation Weltevrede Formation Western Cape Witpoort Formation Witteberg Group yielded Zoophycos