Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106 |
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Page 13
It is evident that this transgressive episode over red beds occurs widely , and can be seen in borehole PB - A1 at 2 467 ft ( 752 m ) in Pletmos Basin ( see McLachlan et al . 1976b ) and in the offshore Algoa Basin in borehole Hb - D1 ...
It is evident that this transgressive episode over red beds occurs widely , and can be seen in borehole PB - A1 at 2 467 ft ( 752 m ) in Pletmos Basin ( see McLachlan et al . 1976b ) and in the offshore Algoa Basin in borehole Hb - D1 ...
Page 160
No obvious similarities can be seen between F. nieuwjaarskopensis and the many varied Early Cretaceous species of the genus known from north - west Europe . Stratigraphic range in the Sundays River Formation Late Valanginian Biozone Bb ...
No obvious similarities can be seen between F. nieuwjaarskopensis and the many varied Early Cretaceous species of the genus known from north - west Europe . Stratigraphic range in the Sundays River Formation Late Valanginian Biozone Bb ...
Page 257
Occasional ' Pentacrinus ' — five - pointed star ossicles — are seen , similar to that figured by McLachlan et al . ( 1976b , fig . 16 ( no . 26 ) ) from the Late Valanginian Brenton Formation . However , the commonest ossicles are ...
Occasional ' Pentacrinus ' — five - pointed star ossicles — are seen , similar to that figured by McLachlan et al . ( 1976b , fig . 16 ( no . 26 ) ) from the Late Valanginian Brenton Formation . However , the commonest ossicles are ...
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Common terms and phrases
abundant Albian Algoa Basin Ammobaculites apertural appears Argentina assemblages Astacolus Barremian Bartenstein & Brand base Biozone Bb borehole chambers Clay close coil Colchester core Cretaceous depressed described distinct Dorothia dorsal Early Hauterivian environments Epistomina Espitalié & Sigal examples facing feet Figure final foraminifera genus grey claystone Haplophragmoides Holotype illustrated inflated initial interval Kimmeridgian Lagena Late Hauterivian Biozone Late Valanginian Biozone later Lenticulina lignite Lingulina localities lower Magniez-Jannin margin Masiuk McLachlan McLachlan et al middle Mngazana Nodosaria Occasional occur offshore ornamentation outcrop sample Paratype periphery Pletmos possess present probably rare referred Reinholdella Remarks Reuss ribs Roemer rounded seen shallow shelf shell side view similar SOEKOR South Africa southern species specimens Stratigraphic range studied Sundays River Formation surface sutures Tappan Uitenhage upper usually ventral weakly whorl wide Zone