Annals of the South African MuseumThe Museum, 1982 - Natural history |
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Page 47
... layer 12 ( 19,5 % of the layer total ) to layer 6 ( 3,1 % ) then increase sharply from layer 5 ( 14,1 % ) to layer 3 , in which the frequency ( 47,0 % ) is almost equal to that of silcrete ( 50,0 % ) . Lower frequencies of quartz occur in ...
... layer 12 ( 19,5 % of the layer total ) to layer 6 ( 3,1 % ) then increase sharply from layer 5 ( 14,1 % ) to layer 3 , in which the frequency ( 47,0 % ) is almost equal to that of silcrete ( 50,0 % ) . Lower frequencies of quartz occur in ...
Page 105
... layer - by - layer variation . In the very small size class two major trends are discernible , a decline in relative frequencies from layer 19 to layer 10 and an increase in the overlying layers , at least up to layer 4. The decline in ...
... layer - by - layer variation . In the very small size class two major trends are discernible , a decline in relative frequencies from layer 19 to layer 10 and an increase in the overlying layers , at least up to layer 4. The decline in ...
Page 129
... layer 19 to layer 13 , in which the frequency reaches almost 46 per cent of the layer total . From layer 12 up frequencies decline , accounting for less than 10 per cent of the layer total in layer 9 , and in layers 8-1 the frequency ...
... layer 19 to layer 13 , in which the frequency reaches almost 46 per cent of the layer total . From layer 12 up frequencies decline , accounting for less than 10 per cent of the layer total in layer 9 , and in layers 8-1 the frequency ...
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2p furrows absent absent Acropyga Albian Anoplolepis apodemal pits artefact category axial furrows axial rings Bainella blades BNK 1 layer BNK 1 sample Bokkeveld border furrows Burial Burmeisteria Calmonia Cape Town cent cephalon convex Dalmanites deposits distal dorsal Douvilleiceras Elands Bay Cave Eldredge & BraniĊĦa excavated fauna Figure fixing apparatus flakes foramen Francovichia frequencies Gamonedaspis genera genus glabella H. J. Deacon holotype Homalonotus indicated internal moulds Kelders Kozlowskiaspis Lake layer 12 layer 9 length lower layers margin Metacryphaeus monachines Monachus Nelson Bay Nelson Bay Cave occipital Oosthuizenella Oxytropidoceras Patella Pennaia Phacopina Phacops phocids pleural posterior border preserved as internal proximal pygidium quartz quartzite Raphicerus Reed Renniella retouched artefact ribs Robberg sagittal segments shell silcrete Smithfield South African Museum species specimen spines suckers suggests suture synapomorphy thorax trilobites tubercles Typhloniscus upper layers utilization ventral width Wilton Wolfart