The Geology of the South-east of EnglandLongman, Rees, Orme, Brown, Green and Longman, 1833 - 415 sider |
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Side 17
... layers containing an intermixture of both . Hence it appears , that after the catastrophe which broke through the chalk hills , and thus formed the transverse valleys of the South Downs , the basins of the chalk were filled with salt ...
... layers containing an intermixture of both . Hence it appears , that after the catastrophe which broke through the chalk hills , and thus formed the transverse valleys of the South Downs , the basins of the chalk were filled with salt ...
Side 74
... layers , they are never in contact with each other , but every nodule is completely surrounded by the chalk . Their ex- ternal surface is composed of a white opaque crust , consisting of an intermixture of chalk and silex , probably ...
... layers , they are never in contact with each other , but every nodule is completely surrounded by the chalk . Their ex- ternal surface is composed of a white opaque crust , consisting of an intermixture of chalk and silex , probably ...
Side 195
... layers of a coarse friable aggregate , with remains of fishes , vegetables , and paludinæ , 2 to 6 inches . 7. Laminated ferruginous sandstone , with layers of blue clay and shale ; containing innu- merable traces of carbonized ...
... layers of a coarse friable aggregate , with remains of fishes , vegetables , and paludinæ , 2 to 6 inches . 7. Laminated ferruginous sandstone , with layers of blue clay and shale ; containing innu- merable traces of carbonized ...
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Adolphe Brongniart ammonites animal appear beds belong beneath bivalves blue clay bones Brighton Brongniart calcareous cavity chalk marl characters clavicle cliffs colour composed Conchifera contains coracoid crocodile Cuvier Cyclas deposits Desc described discovered dorsal Edition feet ferns ferruginous fins firestone fishes flints Folkstone formation Foss fossil freshwater friable galt genera genus Geol geological grey grit Hamsey Hastings Hill Ibid Iguana Iguanodon inches long Inoceramus ironstone layers Lewes Lewesiensis lignite limestone lower chalk marine marl masses Megalosaurus Mollusca nearly numerous observed occur organic remains Paludina pebbles plates portion quarry recent REFERENCES AND SYNONYMS remarkable reptiles resembling ribs ridge rocks Rottingdean sandstone saurian shale Shanklin sand shells shingle skeleton South Downs species specimens Sphenopteris strata strata of Tilgate substance surface Suss Sussex teeth tertiary thick Tilgate Forest Tilgate stone tooth transverse turrilites upper vegetables vertebræ Weald clay Wealden zoophytes