The Quarterly Journal of the Geological Society of London, 19권The Society, 1863 Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
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xxix 페이지
... probably see reason to congratulate themselves that the method I adopt is one reason why my observations will be brief . But first it is my duty to read the following obituary notices , some of which refer to gentlemen who were among ...
... probably see reason to congratulate themselves that the method I adopt is one reason why my observations will be brief . But first it is my duty to read the following obituary notices , some of which refer to gentlemen who were among ...
xli 페이지
... probably an obvious though not the most likely explanation . The suspicious unconformity between Caradoc and Llandovery beds in South Wales points in the direction that in reality there is a gap , due to upheaval and denudation ...
... probably an obvious though not the most likely explanation . The suspicious unconformity between Caradoc and Llandovery beds in South Wales points in the direction that in reality there is a gap , due to upheaval and denudation ...
xlviii 페이지
... probably not 15 per cent . of the whole Carboniferous fauna is common to the two epochs . As in former cases , I connect this great break in the succession of species with a lapse of time in our area , stratigraphically unrepresented ...
... probably not 15 per cent . of the whole Carboniferous fauna is common to the two epochs . As in former cases , I connect this great break in the succession of species with a lapse of time in our area , stratigraphically unrepresented ...
lii 페이지
... probably vast enough within its own limits to allow ( where conditions were good ) of transmission , with or without some amount of modification , over very large areas , so that a strong family likeness would exist in distant regions ...
... probably vast enough within its own limits to allow ( where conditions were good ) of transmission , with or without some amount of modification , over very large areas , so that a strong family likeness would exist in distant regions ...
7 페이지
... probably depends on the shape of the object to which the shell has been attached towards its centre . Four small , circular tubes ( fig . 7b ) may be perceived , of a rather darker colour than the rest of the shell ; they appeared to me ...
... probably depends on the shape of the object to which the shell has been attached towards its centre . Four small , circular tubes ( fig . 7b ) may be perceived , of a rather darker colour than the rest of the shell ; they appeared to me ...
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abundant Ammonites angle Anthracosaurus Antigua appear beds calices Cambrian carapace Carboniferous character clay clay-slate Coal-measures colour conglomerate containing corallites Corals Crustacean delta deposits described Devonian diameter district east Estheria Eurypterus feet formation fossils fragments genera genus Geol Geological Society geologists glaciers Glen Roy gneiss granite Graptolites gravel greenish-grey grey greywacke hill Huronian inch Journ Lake limestone Loch Lower Ludlow margin marl mass mica-slate micaceous miles mineral Miocene nearly noticed occur Old Red Sandstone Oolite organic remains Permian plate Poaka Poaka Beck portion present probably Prof Quart quartzite R. I. Murchison Ragstone Rhynchonella ridge river rocks sand schist Scotland seen septa shales shells side Silurian Skiddaw slates species specimens stone strata stream surface teeth Tertiary thickness thin tion transverse unconformity Upper Lias valley valves vertebræ
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170 페이지 - P. pileiformis, M'Chesney, Descr. of New Species of Fossils from the Palaeozoic Rocks of the Western States of America, p. 40, 1849. P. Cora, Dav., Mon. Carb. Brach. pi. 36. fig. 4, pi. 42. fig.
xliv 페이지 - geology or palaeontology are able to show to the contrary, a Devonian fauna and flora in the British Islands may have been contemporaneous with Silurian life in North America, and
xx 페이지 - 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." 1831. Mr. William Smith. 1835. Dr. GA Mantell. 1836. ML Agassiz.
xlii 페이지 - Break very nearly complete both in genera and species, and probable unconformity. Tremadoc Slate. Break very nearly complete both in genera and species, and probable unconformity. Llandeilo and Caradoc beds. Large break, especially in species, and probable unconformity. Lower Llandovery beds. Break and
221 페이지 - Hull, E. The Coal-fields of Great Britain; their history, structure, and resources; with notices of the coal-fields of other parts of the world.
468 페이지 - Among the Reptilian remains found in erect trees at the South Joggins, there have occurred several portions of skeletons, •which, from their sculptured cranial bones, plicated teeth, and the forms of their scales and limb-bones, I have referred to the genus Dendrerpeton, but to individuals of much smaller size than the full-grown specimens of
xlii 페이지 - unconformity. Wenlock Shale, &c. Each of these breaks, in my opinion, necessarily implies a lost epoch, stratigraphically quite unrepresented in our area, and the life of which is only 'feebly represented in some cases by the fossils common to the underlying and overlying formations. But
323 페이지 - the strata of deltas, and calculations formed from local superficial deposits. I myself have seen the bricks which formed the foundation of a house I had built carried away, and strewed along the bottom of a river at a depth of 30 or 40 feet below the level of the country.
263 페이지 - will show that, on the whole, the remains of any given animal, if abundant, are not confined to one spot in the cave, but are pretty evenly distributed, and lie large with small, the more with the less dense, not in the least degree sorted by water. There is no evidence of the Bear succeeding to the
64 페이지 - for at least 750 geographical miles, and covering an area fully equal to that of France, that, as it appears to me, a record ought to be preserved of these borings. Southward, at the Rio Colorado, the Pampean formation meets the great Tertiary formation of Patagonia; and northward, at