Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 215
The top part of the Weltevrede Formation is interpreted as having formed in back
- barrier tidal flats during transgressive reworking of a delta top . In the Western
Cape , two localities in the Wagen Drift Formation have yielded a number of ...
The top part of the Weltevrede Formation is interpreted as having formed in back
- barrier tidal flats during transgressive reworking of a delta top . In the Western
Cape , two localities in the Wagen Drift Formation have yielded a number of ...
Page 218
The lithofacies are relatively sandy and similar to those of the Bokkeveld Group ,
which have been interpreted as being the deposits of arcuate deltas subject to
marine reworking similar to the present - day Brazos River delta of Texas and the
...
The lithofacies are relatively sandy and similar to those of the Bokkeveld Group ,
which have been interpreted as being the deposits of arcuate deltas subject to
marine reworking similar to the present - day Brazos River delta of Texas and the
...
Page 220
This involved transgressive marine reworking of the delta top ( Fisher et al . 1969
) . The upper 70 m of the Weltevrede Formation comprise quartz arenites ,
siltstones and shales arranged in a number of upward - fining cycles ( Fig . 5 ) .
This involved transgressive marine reworking of the delta top ( Fisher et al . 1969
) . The upper 70 m of the Weltevrede Formation comprise quartz arenites ,
siltstones and shales arranged in a number of upward - fining cycles ( Fig . 5 ) .
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Common terms and phrases
abbreviated according AFRICA articulate brachiopods association author's name authors basal bedding benthic assemblages BENTHIC COMMUNITIES bivalves Blinkberg Bokkeveld Group Boucot capital collected communities consists containing cycles delta deposited described Devonian Devonian rocks differences DISTRIBUTARY diversity dominated Eastern environment environmental fauna figures gastropod homalonotid Howison's Poort illustrations inarticulate indicate infaunal interpreted intertidal Islands italics known letters Lingula localities lower major marine marine invertebrates mark Member Middle mould Museum Natural History nearshore Note occur original parentheses placed plant fossils Plectonotus punctuation quartz arenites range 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 valve Wagen Drift Formation Weltevrede Formation Western Cape Witpoort Formation Witteberg Group yielded Zoophycos
Bibliographic information
| Title | Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum Volume 99, Issue 7 of Annals of the South African Museum, South African Museum |
| Author | South African Museum |
| Publisher | West, Newman & Company for the trustees of the Museum, 1990 |
| Original from | the University of California |
| Digitized | 21 Jul 2016 |
| ISBN | 086813113X, 9780868131139 |
| Export Citation | BiBTeX EndNote RefMan |