The Quarterly Journal of the Geological Society of London, Volume 21Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
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The Quarterly Journal of the Geological Society of London, Volume 2 Geological Society of London Visualização integral - 1846 |
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Palavras e frases frequentes
already appear beds belong British calcareous Chalk character clay close collection communication considered consists containing continued Cretaceous crown deposits described direction distinct district Elephant England entire evidence examination existing extend fact fauna feet formation fossils Geological gives glaciers gravel Hibernian Hill important inches interesting island Italy known latter length less limestone localities lower marine masses miles mineral Miocene molar Museum nature nearly noticed observed occur organic origin pass period plates Pleistocene portion position present principal probably Prof Professor published recent referred regard remains remarkable represented ridges river rocks sand Sandstone seen shales shells side Silurian similar Society species specimens stone strata structure surface Survey Tertiary thick tion true Upper valley White width zone
Passagens conhecidas
Página 515 - Guineas each, with every requisite to assist those commencing the study of this interesting science, a knowledge of which affords so much pleasure to the traveller in all parts of the world. * A collection for Five Guineas which will illustrate the recent works on Geology by Ansted, Buckland.
Página 348 - WC, gives practical instruction In Mineralogy and Geology. He can also supply Elementary Collections of Minerals, Rocks, and Fossils, on the following terms :— 100 Small Specimens, In cabinet, with three trays £220...
Página 122 - Ludlow, Devonian, and Carboniferous Rocks. SECONDARY FOSSILS, from the Trias, Lias, Oolite, Wealden, and Cretaceous Groups. TERTIARY FOSSILS, from the Woolwich, Barton, and Bracklesham Beds, London Clay, Crag, &c. In the more expensive Collections some of the Specimens are rare, and all more select.
Página 515 - Specimens, in cabinet, with three trays £2 2 0 *200 Specimens, larger, in cabinet, with five trays 550 300 Specimens, larger, in cabinet, with eight drawers 10 10 0 400 Specimens, larger, in cabinet, with twelve drawers .... 21 О О More extensive Collections, to illustrate Geology, at 50 to 100 Guineas each, with every...
Página 57 - Though the abundance and wide distribution of Eozoon, and the important part it seems to have acted in the accumulation of limestone, indicate that it was one of the most prevalent forms of animal existence in the seas of the Laurentian period, the non-existence of other organic beings is not implied. On the contrary, independently of the indications afforded by the lime-stones themselves, it is evident that in order to the existence and growth of these large Rhizopods, the waters must have swarmed...
Página 50 - ... rock ; and less frequently there are met with lenticular patches of sandstone or granular quartzite, of a foot in thickness and several yards in diameter, holding in abundance small disseminated leaves of graphite.
Página xx - To promote researches concerning the mineral structure of the earth, and to enable the Council of the Geological Society to reward those individuals of any country by whom such researches may hereafter be made," — "such individual not being a Member of the Council.
Página 348 - SOPWITH'S GEOLOGICAL MODELS IN WOOD, To illustrate the nature of Stratification; of Valleys of Denudation; Succession of Coalseams in the Newcastle Coal-field ; Strata of adjacent Lead-mine Districts; the effects produced by Faults or Dislocations ; Intersections of Mineral Veins, &c. ; accompanied with a letterpress description, which can be had separately, price Is.
Página 47 - But as we do not as yet know with certainty either the base or the summit of this series, these three may be conformably followed by many more. Although the Lower and Upper Laurentian rocks spread over more than 200,000 square miles in Canada, only about 1500 square miles have yet been fully and connectedly examined in any one district, and it is still impossible to say whether the numerous exposures of Laurentian limestone met with in other parts of the province are equivalent to any of the three...
Página 158 - MINERALS : these are found in masses, in beds, or in veins, and occasionally in the beds of rivers. Specimens of the following are contained in the Cabinet :— Iron, Manganese, Lead, Tin, Zinc, Copper, Antimony, Silver, Gold, Platina, &c.
Informação bibliográfica
| Título | The Quarterly Journal of the Geological Society of London, Volume 21 The Quarterly journal of the Geological Society of London, Geological Society of London |
| Autor | Geological Society of London |
| Editora | The Society, 1865 |
| Original de | Universidade de Harvard |
| Digitalizado | 28 Jul 2007 |
| Exportar citação | BiBTeX EndNote RefMan |