Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
From inside the book
Results 1-3 of 13
Page 215
... environment . Introduction . Stratigraphy Sedimentary facies Fauna Palaeoecology Age Conclusions References Analysis of the sedimentary facies shows that the fossils come from a sequence of interbedded shales , siltstones and sandstones ...
... environment . Introduction . Stratigraphy Sedimentary facies Fauna Palaeoecology Age Conclusions References Analysis of the sedimentary facies shows that the fossils come from a sequence of interbedded shales , siltstones and sandstones ...
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 228
... Environmental differences are the important factors in determining the faunal differences . CONCLUSIONS Rare Middle to ... environment . REFERENCES BOUCOT , A. J. 1975. Evolution and extinction rate 228 ANNALS OF THE SOUTH AFRICAN MUSEUM ...
... Environmental differences are the important factors in determining the faunal differences . CONCLUSIONS Rare Middle to ... environment . REFERENCES BOUCOT , A. J. 1975. Evolution and extinction rate 228 ANNALS OF THE SOUTH AFRICAN MUSEUM ...
Other editions - View all
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