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abundant angle appears associated bands base beds belong bone calcareous character characteristic closely collected Conglomerate considerable consists contain Crag crystals deposits described direction distinct district east evidence examination exposed exposures extend fault feet felsite felspar flags fossils fragments Geol Geological grains granite graptolites grits Hill inch indicate intrusive later length less limestone locality Lower Lower Ludlow margin marked mass material Measures miles mineral Monograptus nature Neocomian numerous occur origin pale pass phonolite plates portion present probably Prof proximal quarry quartz rare rays regarded represented resemblance Rhayader road rocks rounded Sandstone seems seen separated Shales shown side similar slates southern species specimens spicules structure surface thecæ thickness thin trace Upper Valley variety Wenlock western whole zone
الصفحة xxxi - ... to accompany the medal, the remaining interest to be given in one or more portions, at the discretion of the council, for the encouragement of geology or of any of the allied sciences by which they shall consider geology to have been most materially advanced, either for travelling expenses or for a memoir or paper published or in progress, and without reference to the sex or nationality of the author or the language in which any such memoir or paper may be written.
الصفحة 230 - But from the fact that the chief streams in each strip have their representatives (flowing in the same line) in the adjacent strips, it is concluded that before the formation of the long valleys the streams were continuous. The centre from which these streams radiate lies in the high ground near the sources of the Conway ; and the author believes that this was the centre of an original radial system of drainage, and that this radial system was subsequently broken up into sections by the formation...
الصفحة 782 - The following communications were read : — 1. ' On some Remarkable Calcisponges from the Eocene Strata of Victoria (Australia).
الصفحة 302 - There rolls the deep where grew the tree. O earth, what changes hast thou seen! There where the long street roars, hath been The stillness of the central sea. The hills are shadows, and they flow From form to form, and nothing stands ; They melt like mist, the solid lands, Like clouds they shape themselves and go.
الصفحة xxxiii - as an acknowledgment of eminent services in any department of Geology, irrespective of the receiver's country; but he must not be older than 45 years at his last birthday, thus probably not too old for further work, and not too young to have done much.
الصفحة xxix - THE MURCHISON GEOLOGICAL FUND," ESTABLISHED UNDER THE WILL OF THE LATE SIR RODERICK IMPEY MURCHISON, BART., PRS, FGS, To lae applied in every consecutive year in such manner as the Council of the Society may deem most useful in advancing geological science, •whether by granting sums of money to travellers in pursuit of knowledge, to authors of memoirs, or to persons actually employed in any...
الصفحة lx - After a varied experience he commenced practice on his own account as a civil engineer in 1853, and the following year became a member of the Institution of Mechanical Engineers. He was elected an associate of the Institution of Civil Engineers in 1856; and in 1862 attained full membership.
الصفحة xxvii - 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.
الصفحة 783 - The following communications were read : — 1. " On a Particular Form of Surface, the Result of Glacial and Subaerial Erosion, seen on Loch Lochy and elsewhere.
الصفحة 6 - ... 2 miles. Origin of the Earthquakes. — On the Geological Survey map of the disturbed area, very few faults are marked, and there is none that will agree even approximately with the conditions implied by the seismic evidence. There is, however, no contradiction between these conditions and the known geological structure of the district. To the south, in the neighbourhood of Mullion, the strike of the beds is parallel to the axes of the isoseismal lines, and there is a thrust-plane in the same...