Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 33
... interval zonation as defined by Hedberg ( 1976 ) . For distinction , the Hauterivian biozones are denoted with Roman ... interval biozonation for all studied deep boreholes , with the lithology , is shown in Figure 9 * . Foraminifera ...
... interval zonation as defined by Hedberg ( 1976 ) . For distinction , the Hauterivian biozones are denoted with Roman ... interval biozonation for all studied deep boreholes , with the lithology , is shown in Figure 9 * . Foraminifera ...
Page 35
... interval , foraminifera faunas begin to decline in diversity and abundance . Biozone VII . Vaginulinopsis cf. V. matutina Zone ( Partial Range Zone ) Definition . Interval between first down - hole abundance of Vaginulinopsis cf. V ...
... interval , foraminifera faunas begin to decline in diversity and abundance . Biozone VII . Vaginulinopsis cf. V. matutina Zone ( Partial Range Zone ) Definition . Interval between first down - hole abundance of Vaginulinopsis cf. V ...
Page 38
... Interval between abrupt decrease in foraminifera abundance and diversity ( near to last down - hole appearance of Lenticulina coegaensis sp . nov . ) and the first down - hole appearance of Miliammina latrobei sp . nov . , or top red ...
... Interval between abrupt decrease in foraminifera abundance and diversity ( near to last down - hole appearance of Lenticulina coegaensis sp . nov . ) and the first down - hole appearance of Miliammina latrobei sp . nov . , or top red ...
Contents
Introduction | 5 |
Foraminiferal biozonation of the Sundays River Formation | 33 |
The Algoa Basin outcrops | 44 |
Copyright | |
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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