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
... Early Hauterivian , and from the Agrio Formation of Neuquén , Argentina ( Musacchio 1978 , 1979 , 1981 ; Simeoni 1985 ; Masiuk & Viña 1986a , 1986b ) , dated as Late Valanginian or Early Hauterivian to Late Hauterivian or Early ...
... Early Hauterivian , and from the Agrio Formation of Neuquén , Argentina ( Musacchio 1978 , 1979 , 1981 ; Simeoni 1985 ; Masiuk & Viña 1986a , 1986b ) , dated as Late Valanginian or Early Hauterivian to Late Hauterivian or Early ...
Page 26
... Early Barremian ( post 6Atl ) in the southern offshore Pletmos and Bredasdorp basins contain the earliest planktonics seen in South Africa : Gorbachikella kugleri ( Bolli ) and , less commonly , Praehedbergella sigali ( Moullade ) , and ...
... Early Barremian ( post 6Atl ) in the southern offshore Pletmos and Bredasdorp basins contain the earliest planktonics seen in South Africa : Gorbachikella kugleri ( Bolli ) and , less commonly , Praehedbergella sigali ( Moullade ) , and ...
Page 175
... Early Valanginian the species becomes common , and the second form of larger - sized tests appears , to disappear later at or near the top of the Late Valanginian . In shelf environments , the first form ranges up to the top of the ...
... Early Valanginian the species becomes common , and the second form of larger - sized tests appears , to disappear later at or near the top of the Late Valanginian . In shelf environments , the first form ranges up to the top of the ...
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