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
... Río Mayer Formation of Santa Cruz province , southern Argentina , which is dominated by Epistomina caracolla ( Roemer ) s.l. This assemblage is very similar to South African ones from an organic - rich , high - gamma claystone interval ...
... Río Mayer Formation of Santa Cruz province , southern Argentina , which is dominated by Epistomina caracolla ( Roemer ) s.l. This assemblage is very similar to South African ones from an organic - rich , high - gamma claystone interval ...
Page 25
... Río Mayer Formation contain a poor fauna with Lenticulina nodosa ( Reuss ) , that may prove to be Barremian and Early Aptian in age . However , the more diverse assemblages recognized by Bertels ( 1990 ) in the upper third of the Río ...
... Río Mayer Formation contain a poor fauna with Lenticulina nodosa ( Reuss ) , that may prove to be Barremian and Early Aptian in age . However , the more diverse assemblages recognized by Bertels ( 1990 ) in the upper third of the Río ...
Page 141
... Río Mayer Formation , Santa Cruz Province ( Malumián & Nañez 1983 ) ; also Hauterivian lower Río Mayer Formation ( Bertels 1990 ) ; Late Valanginian and Early Hauterivian of Meseta Senguerr borehole , Chubut ( Masiuk & Viña 1986b ) ...
... Río Mayer Formation , Santa Cruz Province ( Malumián & Nañez 1983 ) ; also Hauterivian lower Río Mayer Formation ( Bertels 1990 ) ; Late Valanginian and Early Hauterivian of Meseta Senguerr borehole , Chubut ( Masiuk & Viña 1986b ) ...
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