Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 24
... assemblages . Little comment is made on microfaunal - macrofaunal associations by the authors , although Masiuk ... assemblages in the Hauterivian of the Agrio Formation . The Early Hauterivian assemblage appears to be very much the ...
... assemblages . Little comment is made on microfaunal - macrofaunal associations by the authors , although Masiuk ... assemblages in the Hauterivian of the Agrio Formation . The Early Hauterivian assemblage appears to be very much the ...
Page 25
... assemblages recognized by Bertels ( 1990 ) in the upper third of the Río Mayer Formation , characterized by Tritaxia sp . aff . T. pyramidata Reuss and Glomospira charoides Jones & Parker , are clearly unlike any Barremian - Early ...
... assemblages recognized by Bertels ( 1990 ) in the upper third of the Río Mayer Formation , characterized by Tritaxia sp . aff . T. pyramidata Reuss and Glomospira charoides Jones & Parker , are clearly unlike any Barremian - Early ...
Page 238
... assemblages . This distribution through the Sundays River Formation tends to fade towards the margins of the basin , to the west , north and east , and is clearly best developed where middle- and outer - shelf environments prevailed ...
... assemblages . This distribution through the Sundays River Formation tends to fade towards the margins of the basin , to the west , north and east , and is clearly best developed where middle- and outer - shelf environments prevailed ...
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