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
... depth - associated communities , is that they have lacked complimentary facies analysis that could provide corroborative evidence for the environmental assumptions . STRATIGRAPHY In the Western Cape , the Wagen Drift Formation is the ...
... depth - associated communities , is that they have lacked complimentary facies analysis that could provide corroborative evidence for the environmental assumptions . STRATIGRAPHY In the Western Cape , the Wagen Drift Formation is the ...
Page 226
... depth and decreasing temperature . Each benthic assemblage was made up of one or more co - existing communities . Benthic assemblages 1 and 2 are interpreted as representing the high and low intertidal zones respectively ( Boucot 1975 ) ...
... depth and decreasing temperature . Each benthic assemblage was made up of one or more co - existing communities . Benthic assemblages 1 and 2 are interpreted as representing the high and low intertidal zones respectively ( Boucot 1975 ) ...
Page 227
... depth and distance from the shore line . ( After Boucot 1975. ) PLECTONOTUS སའ་ ་ ་ LINGULA NUCULITES HOMALONOTID TROPIDOLEPTUS JANEIA PARAPROTHYRIS SANGUINOLITES ORBICULOIDEA PALAEONEILO Fig . 10. Cartoon reconstruction of the ...
... depth and distance from the shore line . ( After Boucot 1975. ) PLECTONOTUS སའ་ ་ ་ LINGULA NUCULITES HOMALONOTID TROPIDOLEPTUS JANEIA PARAPROTHYRIS SANGUINOLITES ORBICULOIDEA PALAEONEILO Fig . 10. Cartoon reconstruction of the ...
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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