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
SEDIMENT , GRAIN SIZE COLUMN TRENDS PALAEOCURRENT DIRECTIONS ENVIRONMENTAL INTERPRETATIONS STRATIGRAPHIC SUBDIVISIONS BARRIER WITPOORT N = 28 ISLAND FORMATION COMPLEX CHANNELED WELTEVREDE N TIDAL FORMATION n = 12 FLATS DISTRIBUTARY ...
SEDIMENT , GRAIN SIZE COLUMN TRENDS PALAEOCURRENT DIRECTIONS ENVIRONMENTAL INTERPRETATIONS STRATIGRAPHIC SUBDIVISIONS BARRIER WITPOORT N = 28 ISLAND FORMATION COMPLEX CHANNELED WELTEVREDE N TIDAL FORMATION n = 12 FLATS DISTRIBUTARY ...
Page 225
... often in brackish water , and there is a wealth of evidence to suggest that throughout its stratigraphic range ( at least back to the Ordovician ) , it occurred in nearshore faunas that were characterized by low species diversity ...
... often in brackish water , and there is a wealth of evidence to suggest that throughout its stratigraphic range ( at least back to the Ordovician ) , it occurred in nearshore faunas that were characterized by low species diversity ...
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Common terms and phrases
abbreviated according articulate brachiopods association author's name authors bedding benthic assemblages bivalves Blinkberg Bokkeveld Group Boucot brachiopods capital collected communities consists containing cycles delta deposited described designated 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 laminated letters Lingula localities lower major marine marine invertebrates mark Member Middle mould Natural History nearshore Note occur Orbiculoidea original placed plant fossils Plectonotus possible quartz arenites range recognized recorded reduction references represent reworking salinity sandstones scientific sediment SEDIMENTARY FACIES separates sequence shales shallow siltstone similar Smith species specimens Stratigraphic subtidal suggest Tables Tankard thick thin Touws River trace fossils trilobite Tropidoleptus 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 |