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 222
... environments ( e.g. Kumar & Sanders 1974 ; Hubbard & Barwis 1976 ; Reddering 1983 ) . The quartz arenite sequence is interrupted by the development of thin ( 1 m thick ) dark grey to black carbonaceous shales with silty layers ...
... environments ( e.g. Kumar & Sanders 1974 ; Hubbard & Barwis 1976 ; Reddering 1983 ) . The quartz arenite sequence is interrupted by the development of thin ( 1 m thick ) dark grey to black carbonaceous shales with silty layers ...
Page 226
... environment . Figure 10 is a cartoon reconstruction of the environment envisaged for the Howison's Poort site . In contrast , the brachiopod fauna from the Western Cape localities would indicate the deeper - water subtidal conditions of ...
... environment . Figure 10 is a cartoon reconstruction of the environment envisaged for the Howison's Poort site . In contrast , the brachiopod fauna from the Western Cape localities would indicate the deeper - water subtidal conditions of ...
Page 229
... environments . Technical Report . University of South Carolina 11 - CRD : 128-142 . JOHNSON , M. R. 1976. Stratigraphy and sedimentology of the Cape and Karoo sequences in the eastern Cape Province . Rhodes University : Unpublished Ph.D ...
... environments . Technical Report . University of South Carolina 11 - CRD : 128-142 . JOHNSON , M. R. 1976. Stratigraphy and sedimentology of the Cape and Karoo sequences in the eastern Cape Province . Rhodes University : Unpublished Ph.D ...
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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