The Quarterly Journal of the Geological Society of London, Volume 22The Society, 1866 Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
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Página xlvii
... abundant , and appear to have been precisely of the same nature in the Indian as in the European areas : as in our own slate rocks , the narrow bifurcating forms and broad foliaceous species are found together . Two species of ...
... abundant , and appear to have been precisely of the same nature in the Indian as in the European areas : as in our own slate rocks , the narrow bifurcating forms and broad foliaceous species are found together . Two species of ...
Página xlviii
... abundant nor well preserved ; nor are the collections of M. Gerard and Prof. Oldham much better . These , as well as those collected by Dr. Fleming in the Punjab , have already been described . Mr. Davidson enumerates no less than ...
... abundant nor well preserved ; nor are the collections of M. Gerard and Prof. Oldham much better . These , as well as those collected by Dr. Fleming in the Punjab , have already been described . Mr. Davidson enumerates no less than ...
Página lxi
... abundant yet varied vegetation . Future discoveries will , no doubt , in time add to the list of genera and to our more perfect knowledge of the reptilian fauna of the Carboniferous age . In the mean time we may congratulate ourselves ...
... abundant yet varied vegetation . Future discoveries will , no doubt , in time add to the list of genera and to our more perfect knowledge of the reptilian fauna of the Carboniferous age . In the mean time we may congratulate ourselves ...
Página lxviii
... abundant in the lowest bed . The next formation is the Urgonian . No traces of the Cenoma- nian , Gault , Aptian , or Rhodanian have been here found . The Ur- In gonian formation consists chiefly of a white compact limestone lxviii ...
... abundant in the lowest bed . The next formation is the Urgonian . No traces of the Cenoma- nian , Gault , Aptian , or Rhodanian have been here found . The Ur- In gonian formation consists chiefly of a white compact limestone lxviii ...
Página lxx
... abundant . The genera containing the greatest number of species are , Cristellaria , Robulina , Globulina , Polymorphina , and Rotalia . He then adds a list of those species which are the most abundant and characteristic of the whole ...
... abundant . The genera containing the greatest number of species are , Cristellaria , Robulina , Globulina , Polymorphina , and Rotalia . He then adds a list of those species which are the most abundant and characteristic of the whole ...
Outras edições - Ver tudo
The Quarterly Journal of the Geological Society of London, Volume 2 Geological Society of London Visualização integral - 1846 |
The Quarterly Journal of the Geological Society of London, Volume 28 Geological Society of London Visualização integral - 1872 |
Palavras e frases frequentes
abundant Alethopteris amygdaloidal appear areoles Argillaceous underclay Argillo-arenaceous underclay beds belong Brachiopoda Brongn Brown Calamites calcareous Carboniferous Limestone Chalk character Chillesford coal Coal-formation Coal-group Coal-measures coaly shale conglomerate contains Cordaites deposits described Devonian district drift Eocene Eozoon fauna feet ferns formation fossiliferous fossils fragments genera genus Geol Geological glacial gravel Grey shale Guppy Hill inches ironstone Joggins Journ layer Lepidodendron Lepidophloios Lias London Clay Lower marine marls masses metamorphic miles mineral Miocene noticed numerous observed occur Old Red Sandstone Ophite pebbles plate portion posterior present Prof Quart R. I. Murchison resemblance Rhætic ribs River rocks sand seen serpentine shale shells Sigillaria siliceous Silurian Sir R. I. Murchison slates Society Southerndown spec species specimens Stigmaria stone strata structure surface Sutton series Sydney Tertiary thick tissue underclay upper valley valve
Passagens conhecidas
Página 66 - Results of Meteorological Observations made under the direction of the United States Patent Office and the Smithsonian Institution, from the year 1854 to 1859, inclusive, being a Report of the Commissioner of Patents made at the first session of the 36th Congress.
Página 47 - Ibid., pp 347-350. 27. On Graptolites, their Duration in Geological Periods, and their Value in the Identification of Strata. Ibid., pp.
Página 389 - PENROSE'S (FC) Principles of Athenian Architecture, and the Optical Refinements exhibited in the Construction of the Ancient Buildings at Athens, from a Survey. With 40 Plates. Folio.
Página lii - Bohemia, in a specimen of gneiss from near Moldau, and in a specimen of serpentinous limestone sent to Sir Charles Lyell by Dr.
Página xv - The following communications were read : — 1 . " Additional Observations on the Raised Beach of Sangatte, with reference to the date of the English Channel, and the presence of Loess in the Cliff-section.
Página 103 - In a passage, which is the continuation of that already cited, he writes : — " (3) The microscopical structure and chemical composition of the beds of cannel coal and earthy bitumen, and of the more highly bituminous and carbonaceous shale, show them to have been of the nature of the fine vegetable mud which accumulates in the ponds and shallow lakes of modern swamps.
Página 103 - ... (4) A few of the underclays, which support beds of coal, are of the nature of the vegetable mud above referred to ; but the greater part are argilloarenaceous in composition, with little vegetable matter, and bleached by the drainage from them of water containing the products of vegetable decay. They are. in short, loamy or clay soils, and must have been sufficiently above water to admit of drainage.
Página xxxv - In 1848 he was made first-class Assistant in the department of Geology and Mineralogy in the British Museum. He published but one independent work, a ' Manual of Recent and Fossil Shells,' of which the first part appeared in 1851, and the two folio win
Página 321 - Devon," p. 5. 1865. t Quar. Journ. Geol. Soc., vol. xxiL, pages 344-5. 1866. than their conclusions. I fully admit that the rocks near Lynton appear to be the lowest, and that there appears to be a regular ascending succession of rocks from Lynton to the latitude of Barnstaple. I am, however, compelled to dispute the reality of this apparent order of succession, and to suppose that there is either a concealed anticlinal, with an inversion to the north, or, what I believe to be much more probable,...
Página xxxi - On the Determination of the Distance of a Comet from the Earth, and the Elements of its Orbit; 3. Account of the ' ' Traité sur le flux et reflux de la Mer," of Daniel Bernoulli ; and a Treatise on the Attractions of Ellipsoids.