Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 5
... Algoa Basin is the largest of those developed onshore , containing a sediment pile up to 4 500 m thick , and it also ... Algoa Basin , both on and off the present coast , is shown in Figure 1. The tectonic history of the offshore Algoa ...
... Algoa Basin is the largest of those developed onshore , containing a sediment pile up to 4 500 m thick , and it also ... Algoa Basin , both on and off the present coast , is shown in Figure 1. The tectonic history of the offshore Algoa ...
Page 9
... Algoa Basin , and the eastern Cape towards East London , it is clear that marine ' transgressions ' inundated the onshore Algoa Basin in Late Campanian - Maastrichtian , earliest Eocene , and Middle Eocene times ( lower Algoa Group ) ...
... Algoa Basin , and the eastern Cape towards East London , it is clear that marine ' transgressions ' inundated the onshore Algoa Basin in Late Campanian - Maastrichtian , earliest Eocene , and Middle Eocene times ( lower Algoa Group ) ...
Page 12
... Algoa Basin , the Kirkwood - Sundays River formational boundary is conformable . Comparisons between the interval zonation based on the foraminifera proposed herein , and the most detailed of the log correlations for the lower Sundays River ...
... Algoa Basin , the Kirkwood - Sundays River formational boundary is conformable . Comparisons between the interval zonation based on the foraminifera proposed herein , and the most detailed of the log correlations for the lower Sundays River ...
Contents
Introduction | 5 |
Foraminiferal biozonation of the Sundays River Formation | 33 |
The Algoa Basin outcrops | 44 |
Copyright | |
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Common terms and phrases
Agrio Formation Albian ammonites apertural view Aptian Argentina assemblages Astacolus Barremian Bartenstein & Brand Berriasian Bettenstaedt borehole borehole PB-A1 Citharina Cliff outcrop sample Coega Coega Brick Pits core Dentalina DIEGO Dorothia dorsal margin down-hole appearance Early Barremian Early Cretaceous Early Hauterivian environments Eoguttulina Epistomina caracolla Espitalié & Sigal feet VII Figure final chamber final whorl foraminifera genus Graaff-Reinet grey claystone Haplophragmoides sp hofkeri Holotype illustrated Kimmeridgian Kirkwood Formation Lagena Late Hauterivian Biozone Late Valanginian Biozone lignite Lingulina Loeblich & Tappan Magniez-Jannin 1975 Majunga Basin Masiuk & Viña McLachlan Mngazana Basin Musacchio Nodosaria occur offshore ornamentation ostracods Paratype Planularia Pletmos Basin Portlandian rare lignite Reinholdella valendisensis Remarks Reuss Río Mayer Roemer shallow borehole shelf shell side view silty SOEKOR negative South Africa southern species specimens Stratigraphic range Sundays River Formation sutures test periphery test wall Trochammina Uitenhage Uitenhage to Graaff-Reinet Vaginulinopsis weakly Zoetgeneugd Cliff outcrop