Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 217
STRATIGRAPHY In the Western Cape , the Wagen Drift Formation is the lowest unit of the Witteberg Group ( Fig . 2 ) . It consists essentially of siltstone and shale with interbedded sandstones . Hiller & Dunlevey ( 1978 ) , working in ...
STRATIGRAPHY In the Western Cape , the Wagen Drift Formation is the lowest unit of the Witteberg Group ( Fig . 2 ) . It consists essentially of siltstone and shale with interbedded sandstones . Hiller & Dunlevey ( 1978 ) , working in ...
Page 219
Stratigraphic log of about 100 m of strata in Howison's Poort , near Grahamstown . The major erosion surface marks the end of the constructional SEDIMENTARY FACIES IN THE LOWER WITTEBERG GROUP 219.
Stratigraphic log of about 100 m of strata in Howison's Poort , near Grahamstown . The major erosion surface marks the end of the constructional SEDIMENTARY FACIES IN THE LOWER WITTEBERG GROUP 219.
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. Paleolatitudes in the Devonian of Brazil and the Frasnian - Famennian ...
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. Paleolatitudes in the Devonian of Brazil and the Frasnian - Famennian ...
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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