Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 106South African Museum, 2003 - Natural history |
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Page 14
... ABUNDANT OSTRACODS 1190 ' ZONE B : RARE OSTRACODS 290m I THIS STUDY * FORAMINIFERA Reinholdella platterugensis 254 II Upper Epistomina hechti 550 ' 790 ' III Amphicoryna pletmosiana 1150 ' IV Pseudopolymorphina ZONE 1 : BARREN BIOZONE A ...
... ABUNDANT OSTRACODS 1190 ' ZONE B : RARE OSTRACODS 290m I THIS STUDY * FORAMINIFERA Reinholdella platterugensis 254 II Upper Epistomina hechti 550 ' 790 ' III Amphicoryna pletmosiana 1150 ' IV Pseudopolymorphina ZONE 1 : BARREN BIOZONE A ...
Page 37
... abundant in Biozones Ba and Bb , excluding those areas in the north and east in which estuarine and transitional ... abundant Sculptobaculites goodlandensis , and the abrupt decrease in foraminifera diversity and abundance at the top of ...
... abundant in Biozones Ba and Bb , excluding those areas in the north and east in which estuarine and transitional ... abundant Sculptobaculites goodlandensis , and the abrupt decrease in foraminifera diversity and abundance at the top of ...
Page 61
... abundant , to have accumulated in a warm - water , shallow - marine environment with an abundant food supply . Rare brackish - water and marginal - marine ostracods occur at this time too , indicating a close proximity to fluvial ...
... abundant , to have accumulated in a warm - water , shallow - marine environment with an abundant food supply . Rare brackish - water and marginal - marine ostracods occur at this time too , indicating a close proximity to fluvial ...
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