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 9
... contain trace fossils . Endichnial burrows are most common , including traces that resemble the genera Ophiomorpha , Thalassinoides , Diplocraterion , Skolithos , and Fascifodina . Hypichnial traces on the sole of one sandstone are ...
... contain trace fossils . Endichnial burrows are most common , including traces that resemble the genera Ophiomorpha , Thalassinoides , Diplocraterion , Skolithos , and Fascifodina . Hypichnial traces on the sole of one sandstone are ...
Page 11
... containing trace fossils . VERTICAL FACIES CHANGES AND DEPOSITIONAL MODEL The 180 m thick Sardinia Bay Formation ( sensu Shone 1979 , 1983 ) can be subdivided into a ... contain sedimentary TRACE FOSSILS OF THE SARDINIA BAY FORMATION 11.
... containing trace fossils . VERTICAL FACIES CHANGES AND DEPOSITIONAL MODEL The 180 m thick Sardinia Bay Formation ( sensu Shone 1979 , 1983 ) can be subdivided into a ... contain sedimentary TRACE FOSSILS OF THE SARDINIA BAY FORMATION 11.
Page 12
... contain sedimentary structures that denote high - energy hydraulic conditions normally associated with beaches , tidal sand - waves ( cf. Allen 1980 ) , storm - affected shelf floors , and ebbing storm - surge turbidity flows ( Shone ...
... contain sedimentary structures that denote high - energy hydraulic conditions normally associated with beaches , tidal sand - waves ( cf. Allen 1980 ) , storm - affected shelf floors , and ebbing storm - surge turbidity flows ( Shone ...
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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