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 14
... ( Häntzschel 1975 : W84 ) , whereas Ophio- morpha ( Lower Permian - Recent ) is typically associated with strata younger than the Sardinia Bay Formation ( Häntzschel 1975 : W85 ) . Ophiomorpha - like structures in modern sediments are ...
... ( Häntzschel 1975 : W84 ) , whereas Ophio- morpha ( Lower Permian - Recent ) is typically associated with strata younger than the Sardinia Bay Formation ( Häntzschel 1975 : W85 ) . Ophiomorpha - like structures in modern sediments are ...
Page 16
... ( Häntzschel 1975 : W108 ) . Skolithos tubes are widespread in other Table Moun- tain Group outcrops ( Rust 1967 , 1973 , 1977 ; Cocks et al . 1970 : 603 ) . THIN VERMIFORM SAND - FILLED TUBES Description Vermiform sand - filled tubes ...
... ( Häntzschel 1975 : W108 ) . Skolithos tubes are widespread in other Table Moun- tain Group outcrops ( Rust 1967 , 1973 , 1977 ; Cocks et al . 1970 : 603 ) . THIN VERMIFORM SAND - FILLED TUBES Description Vermiform sand - filled tubes ...
Page 18
... ( Häntzschel 1975 ) . The vermiform burrows from the Sardinia Bay Formation could also be the result of interfering Chondrites burrows , but apparently lack the repeated branching characteristic of Chondrites . Fascifodina has been ...
... ( Häntzschel 1975 ) . The vermiform burrows from the Sardinia Bay Formation could also be the result of interfering Chondrites burrows , but apparently lack the repeated branching characteristic of Chondrites . Fascifodina has been ...
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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