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 straddling the Bokkeveld Group - Witteberg Group boundary into three formations , of which the upper two were placed in the Witteberg Group . The South African Com- mittee for Stratigraphy ( SACS ) ( 1980 ) regarded these ...
... stratigraphy straddling the Bokkeveld Group - Witteberg Group boundary into three formations , of which the upper two were placed in the Witteberg Group . The South African Com- mittee for Stratigraphy ( SACS ) ( 1980 ) regarded these ...
Page 219
... STRATIGRAPHIC SUBDIVISIONS BARRIER WITPOORT n = 28 ISLAND FORMATION COMPLEX CHANNELED WELTEVREDE N TIDAL FORMATION n = 12 FLATS DISTRIBUTARY MOUTH BAR Fig . 3. Stratigraphic log of about 100 m of strata in Howison's Poort , near ...
... STRATIGRAPHIC SUBDIVISIONS BARRIER WITPOORT n = 28 ISLAND FORMATION COMPLEX CHANNELED WELTEVREDE N TIDAL FORMATION n = 12 FLATS DISTRIBUTARY MOUTH BAR Fig . 3. Stratigraphic log of about 100 m of strata in Howison's Poort , near ...
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 benthic assemblages BENTHIC COMMUNITIES bicuspidata Gould bivalves bivalves and possible Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes Chonetid Community comma cross-bedded deeper-water subtidal conditions delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna Formation near Touws 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 namacolus Orbiculoidea overlain paratypes parentheses pedicle valve punctuation salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline shouldered italics siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid Community 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 Wagen Drift Formation wash-over Weltevrede Formation Western Cape Witpoort Formation yielded marine invertebrate