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
... circulation resulting in anoxic conditions in parts of an ancient epeiric sea . Barren sandstone units in the Sardinia Bay strata represent former high - energy depositional environments and shifting substrates hostile to sediment ...
... circulation resulting in anoxic conditions in parts of an ancient epeiric sea . Barren sandstone units in the Sardinia Bay strata represent former high - energy depositional environments and shifting substrates hostile to sediment ...
Page 23
... circulation to the point where anoxic hypersaline conditions prevailed . The inner- most shelf areas might therefore be characterized at best by a restricted biota , at worst by no biota at all . Mudrock units in the Sardinia Bay ...
... circulation to the point where anoxic hypersaline conditions prevailed . The inner- most shelf areas might therefore be characterized at best by a restricted biota , at worst by no biota at all . Mudrock units in the Sardinia Bay ...
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... CIRCULATION DEPARTMENT TO 202 Main Library LOAN PERIOD 1 2 4 HOME USE 5 3 6 ALL BOOKS MAY BE RECALLED AFTER 7 DAYS Renewals and Recharges may be made 4 days prior to the due date . Books may be Renewed by calling 642-3405 DUE AS STAMPED ...
... CIRCULATION DEPARTMENT TO 202 Main Library LOAN PERIOD 1 2 4 HOME USE 5 3 6 ALL BOOKS MAY BE RECALLED AFTER 7 DAYS Renewals and Recharges may be made 4 days prior to the due date . Books may be Renewed by calling 642-3405 DUE AS STAMPED ...
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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