Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumSouth African Museum, 1972 - Natural history |
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Page 250
... fossils are preserved only as internal moulds . At the base of this horizon is a thin , small - pebble conglomerate ... fossils are absent from the succeeding green silts until the occurrence of abundant vertebrate remains and shark's ...
... fossils are preserved only as internal moulds . At the base of this horizon is a thin , small - pebble conglomerate ... fossils are absent from the succeeding green silts until the occurrence of abundant vertebrate remains and shark's ...
Page 251
... fossils from Angola ( Lamellibranchia and Gastropoda ) . Ann . S. Afr . Mus . 28 : 1–54 . RENNIE , J. V. L. 1945. Lamelibrânquios e gastrópodos do Cretácico Superior de Angola . Mems Jta Miss . geogr . Invest . Colon . ( Geol . ) 1 : 1 ...
... fossils from Angola ( Lamellibranchia and Gastropoda ) . Ann . S. Afr . Mus . 28 : 1–54 . RENNIE , J. V. L. 1945. Lamelibrânquios e gastrópodos do Cretácico Superior de Angola . Mems Jta Miss . geogr . Invest . Colon . ( Geol . ) 1 : 1 ...
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abundant Albian alkali-basalts ammonite genera Austiniceras dibleyi Baculites basal Turonian age basanites basin bivalves and gastropods Calycoceras naviculare Campanian Campanian-Maastrichtian Carvalho Cenomanian age Collignon columba condensed sequence considered the Senonian Cretaceous Damesites ainuanus deposits disconformity Douvillé and Spath Douville's drui Exogyra cf extrusion Fauna studied fossiliferous horizon fossils Gaudryceras Hauericeras Howarth Jombovacai valley Kanabiceras septemseriatum lava limestone horizon Limestones & silts Lower Cenomanian Lower Coniacian Maastrichtian Mammites mocamedensis marine beds Mesopuzosia Middle Turonian Moçâmedes Mouta & O'Donnell NICOLAU AND SALINAS occurrence overlain Ponta Grossa Posto de San Prionocyclus carvalhoi Pulchellia Red arenites red limestone red silts Rennie San Nicolau sandstones Santon Santonian Scalarites Sciponoceras Sedimentological evidence sediments shark's teeth specimen of Gombeoceras Stoliczkaia stromatolites Subprionocyclus surface scree Trigonia Trigonoarca Turonian strata unfossiliferous red sands Upper Coniacian Upper Turonian uppermost Cenomanian V V V V V V V V V V Veniella forbesiana Stoliczka volcanics west of San widespread transgression