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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xxxviii 페이지
... beds a series of fossils which Mr. Salter has proved are mainly distinct from those of the Lingula- flags below , and of the Llandeilo and Bala beds above them . Thus 11 genera of Trilobites occur in the Tremadoc Slate , which ...
... beds a series of fossils which Mr. Salter has proved are mainly distinct from those of the Lingula- flags below , and of the Llandeilo and Bala beds above them . Thus 11 genera of Trilobites occur in the Tremadoc Slate , which ...
xxxix 페이지
... bed and the first of Llandeilo age , and we have thus a coincidence of lapse of time and change of genera and species . In the second case , if there were in places direct succession between Lingula and Tremadoc beds , why , on a given ...
... bed and the first of Llandeilo age , and we have thus a coincidence of lapse of time and change of genera and species . In the second case , if there were in places direct succession between Lingula and Tremadoc beds , why , on a given ...
xli 페이지
... beds be conformable to each other , this is 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 ...
... beds be conformable to each other , this is 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 ...
xlii 페이지
... beds . Break and decided unconformity . Upper Llandovery beds . Break and strong unconformity . Wenlock Shale , & c . Each of these breaks , in my opinion , necessarily implies a lost epoch , stratigraphically quite unrepresented in our ...
... beds . Break and decided unconformity . Upper Llandovery beds . Break and strong unconformity . Wenlock Shale , & c . Each of these breaks , in my opinion , necessarily implies a lost epoch , stratigraphically quite unrepresented in our ...
xlv 페이지
... beds adhere con- formably , or nearly conformably , to the Ludlow rocks , and from 3000 to 4000 feet lie upon these beds as unconformably as it is possible for one set of beds to lie on another , and so pass regularly up into the ...
... beds adhere con- formably , or nearly conformably , to the Ludlow rocks , and from 3000 to 4000 feet lie upon these beds as unconformably as it is possible for one set of beds to lie on another , and so pass regularly up into 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