Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 220
This change must reflect a reduction in the sediment supply to the shore zone and a decrease in the rate of subsidence so that marginal marine processes rework and redistribute the sediment along the shore .
This change must reflect a reduction in the sediment supply to the shore zone and a decrease in the rate of subsidence so that marginal marine processes rework and redistribute the sediment along the shore .
Page 226
Benthic assemblages 1 and 2 are interpreted as representing the high and low intertidal zones respectively ( Boucot 1975 ) ; benthic assemblages 3 , 4 and 5 represent increasingly deep subtidal areas on the continental shelf ...
Benthic assemblages 1 and 2 are interpreted as representing the high and low intertidal zones respectively ( Boucot 1975 ) ; benthic assemblages 3 , 4 and 5 represent increasingly deep subtidal areas on the continental shelf ...
Page 227
VASARAP STAREA PRATICA Q BA 6 subtidal zone BA 3 TALENSESS JANEIA SANGUINOLITES BA 2 BA low water mark intertidal zone high water mark ORBICULOIDEA PALAEONEILO Fig . 10. Cartoon reconstruction of the intertidal communities of the ...
VASARAP STAREA PRATICA Q BA 6 subtidal zone BA 3 TALENSESS JANEIA SANGUINOLITES BA 2 BA low water mark intertidal zone high water mark ORBICULOIDEA PALAEONEILO Fig . 10. Cartoon reconstruction of the intertidal communities of the ...
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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