Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 28
... BASE OF SUNDAYS RIVER FORMATION HATCHERICERAS PATAGONENSE APPROXIMATE BASE OF ZULULAND SUCCESSION APPROXIMATE TOP OF SUNDAYS RIVER FORMATION into four members , based on the CO 1/67 fully 28 ANNALS OF THE SOUTH AFRICAN MUSEUM.
... BASE OF SUNDAYS RIVER FORMATION HATCHERICERAS PATAGONENSE APPROXIMATE BASE OF ZULULAND SUCCESSION APPROXIMATE TOP OF SUNDAYS RIVER FORMATION into four members , based on the CO 1/67 fully 28 ANNALS OF THE SOUTH AFRICAN MUSEUM.
Page 171
... base of Biozone B , and disappears ( first down - hole appearance ) equally abruptly immediately above 1At1 , marking the top of Biozone B , in the offshore Pletmos , Gamtoos and Algoa basins . Lenticulina coegaensis is thus of ...
... base of Biozone B , and disappears ( first down - hole appearance ) equally abruptly immediately above 1At1 , marking the top of Biozone B , in the offshore Pletmos , Gamtoos and Algoa basins . Lenticulina coegaensis is thus of ...
Page 238
... base of Biozone Bb to the top of Biozone A in the Late Valanginian , where the species predominates in most samples , almost to the exclusion of other species . The species is rare , but usually persistent , throughout the Early ...
... base of Biozone Bb to the top of Biozone A in the Late Valanginian , where the species predominates in most samples , almost to the exclusion of other species . The species is rare , but usually persistent , throughout the Early ...
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