Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 63
... MIDDLE SHELF OUTER SHELF LITTORAL INNER SHELF ? UPPER ? SLOPE MIDDLE SHELF .......... PORT ELIZABETH 2 LATER LATE VALANGINIAN PALAEOENVIRONMENTS ( EXTENSIVE MUDDY SEA - FLOOR BIOZONE Ba ) 20 KILOMETRES 40 UPPER ? SLOPE WOODY CAPE Figure ...
... MIDDLE SHELF OUTER SHELF LITTORAL INNER SHELF ? UPPER ? SLOPE MIDDLE SHELF .......... PORT ELIZABETH 2 LATER LATE VALANGINIAN PALAEOENVIRONMENTS ( EXTENSIVE MUDDY SEA - FLOOR BIOZONE Ba ) 20 KILOMETRES 40 UPPER ? SLOPE WOODY CAPE Figure ...
Page 67
... middle and outer continental shelf , large numbers may be associated with short - lived periods of low sea - floor oxygen levels . Attached forms such as Bullopora are most numerous in the thin sands of the Late Hauterivian , where they ...
... middle and outer continental shelf , large numbers may be associated with short - lived periods of low sea - floor oxygen levels . Attached forms such as Bullopora are most numerous in the thin sands of the Late Hauterivian , where they ...
Page 231
... middle Barremian of north - west Germany , as Epistomina D7 ( Hecht 1938 ) and described from the middle Barremian of Trinidad ( Bartenstein et al . 1957 ) . Other records include : Barremian of Atlantic offshore Canada ( Ascoli 1976 ) ...
... middle Barremian of north - west Germany , as Epistomina D7 ( Hecht 1938 ) and described from the middle Barremian of Trinidad ( Bartenstein et al . 1957 ) . Other records include : Barremian of Atlantic offshore Canada ( Ascoli 1976 ) ...
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