Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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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 ) ... Stratigraphic columns for the lower part of the Witteberg Group in the Eastern and Western Cape . has yielded marine ...
... STRATIGRAPHY In the Western Cape , the Wagen Drift Formation is the lowest unit of the Witteberg Group ( Fig . 2 ) ... Stratigraphic columns for the lower part of the Witteberg Group in the Eastern and Western Cape . has yielded marine ...
Page 219
... STRATIGRAPHIC SUBDIVISIONS WITPOORT FORMATION WELTEVREDE FORMATION Fig . 3. 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 ...
... STRATIGRAPHIC SUBDIVISIONS WITPOORT FORMATION WELTEVREDE FORMATION Fig . 3. 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 ...
Page 229
... 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 mass extinction . Palaeogeography ...
... 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 mass extinction . Palaeogeography ...
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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