Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 22
... Argentina and Chile Distinctive foraminifera assemblages have been described to date by many authors from the Early Cretaceous of southern Argentina and Chile . These include those described by Bertels ( 1990 ) , Kielbowicz et al . 22 ...
... Argentina and Chile Distinctive foraminifera assemblages have been described to date by many authors from the Early Cretaceous of southern Argentina and Chile . These include those described by Bertels ( 1990 ) , Kielbowicz et al . 22 ...
Page 24
... Argentina ( Masiuk & Viña 1986b , 1987 ) , dated as 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 ...
... Argentina ( Masiuk & Viña 1986b , 1987 ) , dated as 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 ...
Page 145
... Argentina ( Musacchio 1979 ) ; Hauterivian and ? Barremian lower Río Mayer Formation , southern Argentina ( Bertels 1990 ) ; and Late Valanginian ( Biozone B ) of Mngazana Basin , Transkei ( McLachlan et al . 1976a ) and the Late ...
... Argentina ( Musacchio 1979 ) ; Hauterivian and ? Barremian lower Río Mayer Formation , southern Argentina ( Bertels 1990 ) ; and Late Valanginian ( Biozone B ) of Mngazana Basin , Transkei ( McLachlan et al . 1976a ) and the Late ...
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