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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xxxiii 페이지
... whole , then , the later opinions of Bronn with regard to the development of life seem to have been of a mixed character ( now not uncommon among paleontologists since the publication of Darwin's great work ) , which , while it allows a ...
... whole , then , the later opinions of Bronn with regard to the development of life seem to have been of a mixed character ( now not uncommon among paleontologists since the publication of Darwin's great work ) , which , while it allows a ...
xxxix 페이지
... whole mass or by overlap . The latter seems probable ; for in Anglesey , and perhaps even on the Menai Straits , the Llandeilo and Bala beds lie directly on Cambrian strata , both Lingula- and Tremadoc Slates being absent . The same is ...
... whole mass or by overlap . The latter seems probable ; for in Anglesey , and perhaps even on the Menai Straits , the Llandeilo and Bala beds lie directly on Cambrian strata , both Lingula- and Tremadoc Slates being absent . The same is ...
xlii 페이지
... whole Silurian series there are six very distinct sets of strata , and five stratigraphical breaks between them , as follows : - Lingula - flags . : - Break very nearly complete both in genera and species , and probable unconformity ...
... whole Silurian series there are six very distinct sets of strata , and five stratigraphical breaks between them , as follows : - Lingula - flags . : - Break very nearly complete both in genera and species , and probable unconformity ...
xlvii 페이지
... whole of the Devonian series , only 11 out of about 240 species , or rather less than 5 per cent . , are common to the Devonian and Carboniferous ages . not If we now analyse the divisions of the Carboniferous series , it is easy in ...
... whole of the Devonian series , only 11 out of about 240 species , or rather less than 5 per cent . , are common to the Devonian and Carboniferous ages . not If we now analyse the divisions of the Carboniferous series , it is easy in ...
xlviii 페이지
... 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 , during which most 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 , during which most of the ...
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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