The Quarterly Journal of the Geological Society of London, Volume 20The Society, 1864 - Electronic journals Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
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Page xl
... indeed that sometimes the change in species is altogether or nearly complete . I further connected these interruptions of the continuity of life and the coincident stratigraphical breaks in this xl PROCEEDINGS OF THE GEOLOGICAL SOCIETY .
... indeed that sometimes the change in species is altogether or nearly complete . I further connected these interruptions of the continuity of life and the coincident stratigraphical breaks in this xl PROCEEDINGS OF THE GEOLOGICAL SOCIETY .
Page xli
... nearly the same as in the Lower Silurian . It is worthy of remark that the Devonian grouping of bivalves thus approaches closely to that of the Silurian rocks , and is in this very far removed from the Carboniferous grouping * . When we ...
... nearly the same as in the Lower Silurian . It is worthy of remark that the Devonian grouping of bivalves thus approaches closely to that of the Silurian rocks , and is in this very far removed from the Carboniferous grouping * . When we ...
Page xliv
... nearly as I can make out from consulting the writings of Gümbel , Escher , Hauer , and others , the order of superposition of these strata is as follows ; and I add what I believe to be their English equivalents : - CONTINENTAL . 1 ...
... nearly as I can make out from consulting the writings of Gümbel , Escher , Hauer , and others , the order of superposition of these strata is as follows ; and I add what I believe to be their English equivalents : - CONTINENTAL . 1 ...
Page xlv
... nearly 1th of the species have a common palæozoic facies . Again , if we take Münster's determination , we find that he gives a list and drawings of Corals Echinodermata .. 14 genera , 53 species . 4 35 5 27 .. 99 99 18 72 " " 99 26 191 ...
... nearly 1th of the species have a common palæozoic facies . Again , if we take Münster's determination , we find that he gives a list and drawings of Corals Echinodermata .. 14 genera , 53 species . 4 35 5 27 .. 99 99 18 72 " " 99 26 191 ...
Page xlvi
... nearly 4th ; 133 species out of 427 , or less than frd . In this respect , therefore , they closely agree ; and , judged by a test of this kind ( which , though very imperfect , is surely significant ) , the St. Cassian beds may be said ...
... nearly 4th ; 133 species out of 427 , or less than frd . In this respect , therefore , they closely agree ; and , judged by a test of this kind ( which , though very imperfect , is surely significant ) , the St. Cassian beds may be said ...
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Common terms and phrases
Ammonites appear Avicula contorta Basin beds breccias calice Carboniferous Chalk clay Coal-measures colour columella containing convex corallites corallum Corals costæ Cretaceous D'Archiac deposits described Devonian dissepiments district dorsal drift Edwards & Haime England Eocene epitheca exotheca fauna feet formation fossils fragments France genera genus Geol Geological Society geologists granite gravel Greensand grey Grit Hill inch Inferior Oolite Journ Jurassic Keuper Lias limestone locality Lower Silurian Magnesian margin marl miles mineral Miocene nearly noticed Nummulitic occur Old Red Sandstone Oligocene paleozoic Permian Permian rocks plate portion posterior present Prof Professor Pteraspis Quart R. I. Murchison Red Sandstone ridges river San Domingo sand sclerenchyma seen septa série shale Shells side silica Silurian Sir R. I. Murchison spec species specimens spines stone strata stratigraphical surface Tertiary thickness tion Trias Upper valley Yoredale Ziphius zone
Popular passages
Page lix - ... the centre outwards, the pith enclosed in a longitudinal canal, and possessed of medullary rays. The fauna is rich, varied, and beautifully preserved. Nearly all the types of life are strictly and peculiarly Mesozoic.
Page 317 - Extension of the Triangulation of the Ordnance Survey into France and Belgium with the Measurement of an Arc of Parallel in Latitude 52° N. from Valentia in Ireland to Mount Kemmel in Belgium By Colonel Sir Henry James, RE, FRS, etc., Director of the Ordnance Survey. 4to vol. London. 1863. Tyneside Naturalists
Page 99 - Annual Report of the Trustees of the Museum of Comparative Zoology. Together with the Report of the Director, 1865.
Page 397 - ... cavirostris, it is not certain that the latter is truly fossil ; nor, if it be so, have we any knowledge of its stratigraphical position. 3. Of the certainly fossil Ziphii, the stratigraphical position of Belemnoziphius longirostris is unknown ; but all the other species of that genus, and Choneziphius planirostris, are derived from the English or Antwerp Crag, and are not known to occur out of it. 4. So that at present we are justified in regarding Belemnoziphius and Choneziphius as true Crag...
Page 108 - It is very gratifying to me to be able to report the gain of two new Corps during the year.
Page lx - ... the interval of time shorter or longer that elapsed between the close of the lower and the commencement of the upper formation; and so it often happens that strata a few yards in thickness, or, more notably still, the absence of these strata, may serve to indicate a period of time as great as the vast accumulations of the whole Silurian series
Page 130 - I concluded the description of this remarkable Arrangement with the following hint at their origin : — " May not the plastic and irresistable agent which picked up the materials composing the Blue Clay, and then melting, left them in their present position, have been largely instrumental in excavating the basins of the great Canadian lakes."* And, in 1860, in a "Narrative of the Canadian Expeditions...
Page xxiv - 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.
Page 27 - Paternoster Row. BRITISH ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE. The next ANNUAL MEETING of the Association will be held under the Presidency of Sir C.
Page 227 - ... has been ground down and washed away by running water. How vast then must be the spaces which this abstraction of matter has left vacant ! how far exceeding in dimensions all the valleys, however numerous, and the hollows, however vast, which we can prove to have been cleared out by aqueous erosion ! The evidences of the work of denudation are defective, because it is the nature of every destroying cause to obliterate the signs of its own agency...