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 225
... 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 usually with no more than ...
... 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 usually with no more than ...
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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
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 |