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Some Episodes in the Geological History of the Bristol Channel
F Rationalisation and Technological Unemployment By Prof
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Acheulean acid animals anticline appears Association Aurignacian base beds Botany Boulder Clay Breccia Bristol Bristol Channel British Carboniferous cause cell cent Chairman changes chemical clay Committee considerable correlation Cretaceous culture deposits Devonian discovery disease earth economic effect engineering evidence experiments factors fauna fertilisers folding formation function further geography glacial glycogen Goniatites groups human important increase industry influence interest investigation Keuper laboratory labour layer Lias Limestone lower magnetic field material Mesozoic metal methods Mousterian mycorrhiza nature nitrogen observations obtained occur organisation Palaeozoic period Permian piperitone plants Pleistocene Pluvial possible present probably problem production Prof rationalisation recognised region relation Report Rhaetic rocks Sandstone scientific Secretary Section September soil South Africa species structure suggested surface syncline synthesis temperature tests theory tion Trias Triassic Upper variation Wales