Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1991 - Natural history |
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Page 10
... response to compressional forces directed from the south . There is evidence of a subsequent east - west compression in the Sardinia Bay area ( Shone 1983 : 65-71 ) . Rocks of the Sardinia Bay Formation appear to have been subjected to ...
... response to compressional forces directed from the south . There is evidence of a subsequent east - west compression in the Sardinia Bay area ( Shone 1983 : 65-71 ) . Rocks of the Sardinia Bay Formation appear to have been subjected to ...
Page 15
... response to sedimentation . The U - tubes themselves are not represented , possibly because of erosional truncation following sedimentation ( cf. Goldring 1964 , in Häntzschel 1975 : W30 ) . The irregular U - tubes shown in Figure 7 are ...
... response to sedimentation . The U - tubes themselves are not represented , possibly because of erosional truncation following sedimentation ( cf. Goldring 1964 , in Häntzschel 1975 : W30 ) . The irregular U - tubes shown in Figure 7 are ...
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Common terms and phrases
abbreviated bioturbated burrow fill callianassid decapods Cape Town Chondrites cm Fig cm in diameter colonization by sediment-dwellers correlation cross-section Cruziana ichnofacies model currents and waves decapods depositional environment Description Differential weathering Diplocraterion disseminated pyrite EARLY ORDOVICIAN SARDINIA Ekdale epeiric sea FACIES INTERPRETATIONS Fascifodina Figure Frey & Pemberton Gastropoda Häntzschel 1975 holotype ichno ichnogenus indicate INNER SHELF MEGARIPPLE INNER SHELF MUD INNERMOST SHELF MUD interval Irregular U-tubes Leda MUD AND SAND Mudrock units namacolus occur Ophiomorpha paper paratypes parentheses Pemberton 1984 Port Elizabeth punctuation quartzite references relict sedimentary structures Restricted biota rocks Roman numerals sandstone sole Sardinia Bay Formation scientific name sediment sediment-dwelling organisms sedimentary structures Seilacher 1967 shafts shallow marine Shone shoreface Skolithos ichnofacies Skolithos tubes sole marking SOUTH AFRICAN MUSEUM Spreiten demarcated sub-horizontal Synonymy Table Mountain Group Thalassinoides tidal currents trace fossil assemblages trace fossil association traces resembling Upper Sardinia Bay V-shaped pattern Vermiform sand-filled tubes vertical burrows