Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106 |
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Page 36
B is one of only a few species that first appear down - hole in the Early Hauterivian . Thicknesses of this biozone show some variation , from about 247 m in SM 1/76 down to less than 100 m in CO 1/67 . This time period appears to have ...
B is one of only a few species that first appear down - hole in the Early Hauterivian . Thicknesses of this biozone show some variation , from about 247 m in SM 1/76 down to less than 100 m in CO 1/67 . This time period appears to have ...
Page 135
It appears to have tolerated quite a range of environments , from sub - littoral to outer shelf , but is absent in hyposaline facies along the northern margins of the Sundays River Formation . The species is also known from the Late ...
It appears to have tolerated quite a range of environments , from sub - littoral to outer shelf , but is absent in hyposaline facies along the northern margins of the Sundays River Formation . The species is also known from the Late ...
Page 175
In the southern offshore basins of South Africa , L. nodosa appears in the Late Berriasian , initially in small numbers entirely of the first form described above . From the later Early Valanginian the species becomes common , and the ...
In the southern offshore basins of South Africa , L. nodosa appears in the Late Berriasian , initially in small numbers entirely of the first form described above . From the later Early Valanginian the species becomes common , and the ...
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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
Bibliographic information
| Title | Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106 Volume 106 of Annals of the South African Museum, South African Museum Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, South African Museum |
| Author | South African Museum |
| Publisher | South African Museum, 2003 |
| Original from | the University of California |
| Digitized | 8 Dec 2009 |
| ISBN | 0868131784, 9780868131788 |
| Export Citation | BiBTeX EndNote RefMan |