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 218
... Tankard et al . ( 1982 ) stated that the sedimentation in the lower part of the Witteberg Group was controlled by the continuation of a series of transgressions and regressions that was established earlier in the Bokkeveld times . The ...
... Tankard et al . ( 1982 ) stated that the sedimentation in the lower part of the Witteberg Group was controlled by the continuation of a series of transgressions and regressions that was established earlier in the Bokkeveld times . The ...
Page 222
... Tankard et al . ( 1982 ) indicated that the Wagen Drift Formation represents the subaqueous portion of a delta and that the overlying quartz arenites of the Blinkberg Formation are the products of reworking of the delta , much the same ...
... Tankard et al . ( 1982 ) indicated that the Wagen Drift Formation represents the subaqueous portion of a delta and that the overlying quartz arenites of the Blinkberg Formation are the products of reworking of the delta , much the same ...
Page 230
... TANKARD , A. J. & BARWIS , J. H. 1982. Wave - dominated deltaic sedimentation in the Devonian Bokkeveld basin of South Africa . Journal of Sedimentary Petrology 52 ( 3 ) : 959–974 . TANKARD , A. J. , JACKSON , M. P. A. , ERIKSSON ...
... TANKARD , A. J. & BARWIS , J. H. 1982. Wave - dominated deltaic sedimentation in the Devonian Bokkeveld basin of South Africa . Journal of Sedimentary Petrology 52 ( 3 ) : 959–974 . TANKARD , A. J. , JACKSON , M. P. A. , ERIKSSON ...
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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