... shorter duration than those of the lower parts of the animal kingdom, and thus carry with them the greatest weight in questions of geological time ; still it appears to me that there is nothing in the fossil contents of the Devonian beds which is... Geological Magazine - Página 180editado por - 1866Vista completa - Acerca de este libro
| 1868 - 758 páginas
...palasontologically, resemble the Coal-measures. If so, the Carboniferous Slate occupies, there, the whole interval between the top of the Old Red Sandstone and the base of the Coal-measures, with a perfectly conformable and continuous series of beds to the exclusion of the Carboniferous Limestone.... | |
| Henry Woodward - 1866 - 652 páginas
...asssigning the enormous thickness to the North Devon rocks which the ordinary hypothesis requires. Devonian to beds containing undoubted marine fossils,...following specimens were exhibited : — Pterygotus, Stylmurus, Eurypterw, and Cephalaspis, from the Old Red Sandstone of Forfarshire ; exhibited by James... | |
| Royal Geological Society of Ireland - 1864 - 328 páginas
...fossil contents of the Devonian beds which is conclusive against the idea of their occupying a position between the top of the Old Red Sandstone and the base of the Coalmeasures. I have also just been indebted to Professor W. King, of Galway, for the sight of a paper, by Professor... | |
| Royal Society of Edinburgh - 1869 - 650 páginas
...vaguely defined set of strata called by the late Mr Charles Maclaren the Calciferous Sandstones, and lying between the top of the Old Red Sandstone and the base of the Carboniferous limestone. New light has consequently been thrown upon the history of the earlier portions... | |
| 1871 - 350 páginas
...fossil contents of the Devonian beds which is conclusive against the idea of their occupying a position between the top of the Old Red Sandstone and the base of the Coalmeasures. I have also just been indebted to Professor W.King, of Gal way, for the sight of a paper, by Professor... | |
| Geological Society of Dublin - 1871 - 350 páginas
...fossil contents of the Devonian beds which is conclusive against the idea of their occupying a position between the top of the Old Red Sandstone and the base of the Coal-, measures. I have also just been indebted to Professor W. King, of Gal way, for the sight of... | |
| James Samuelson, William Crookes - 1873 - 606 páginas
...19. || Quart. Journ. Geol. Soc., vol. xxii., p. 320. voL, ii r. (NS) p up the whole of the interval between the top of the old red sandstone and the base of the coal-measures. Here he contended was the clue to determine the structure of North Devon ; the order of sequence appeared... | |
| 1873 - 636 páginas
...VOL. in. (NS) p io6 Present State of the Devonian Question. [January, up the whole of the interval between the top of the old red sandstone and the base of the coal-measures. Here he contended was the clue to determine the structure of North Devon ; the order of sequence appeared... | |
| Somersetshire Archaeological and Natural History Society - 1874 - 586 páginas
...Devonian question. t The carboniferous slate in Ireland, which in places fills the whole of the interval between the top of the old red sandstone and the base of the coal measures (the mountain limestone there being but locally developed and passing into the slate),... | |
| |