Transactions, Bind 8 |
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207 BATH STREET Airdrie appearance Bohuntine Boulder-clay boulders Brachiopoda Brongniart calcareous Calderbank Carboniferous Brachiopoda Carboniferous strata character clay coal colour cone structure Cone-in-cone structure conglomerate Cordaites Corry crystals D. C. GLEN Dalry Davidson deposited district dolerite DUGALD BELL east East Kilbride Edinburgh examined exhibited feet fossils fragments genera genus Geological Society glacial glacier Glasgow Glen Nevis Glen Roy Glen Spean granite hill inches ironstone James Thomson John Young lake land layers Lepidodendron limestone series Lindley & Hutton Linn localities Loch Treig lower M'Coy miles mountains Nevis Oban observed Old Red Sandstone Parallel Phill present quarry quartz quartzite read a paper remarks Roads sand schists Scotland Scottish seen shale shells side silica Silurian SOCIETY'S ROOMS species specimens Sphenopteris stone stratum surface Tarbert theory thickness tion valley végét Vice-President Whiteinch WILLIAM JOLLY
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Side 349 - On the Glacial Phenomena of Scotland, with reference to the Reports of the Boulder Committee of the Royal Society of Edinburgh.
Side 324 - I shall now proceed to consider roughly what " is the probable extent of submergence which, " during the glacial epoch, may have resulted from " the displacement of the earth's centre of gravity " by means of the transference of the polar ice from
Side 3 - He states his conviction that the structure is one of the peculiar form of concretions formed after the deposition of the rock in which they occur by the crystallisation of the calcium carbonate and other isomorphous bases. Dr. Dawson, in his Acadian Geology, 1868, asserts that the structure is produced by concretionary action proceeding from the surface of a bed or layer, and modified by gradual compression of the material.
Side 342 - STIRRUP) read the report of the Council for the past year, as follows : — REPORT OF THE COUNCIL, FOR SESSION 1890-91.
Side 108 - The heat from which terrestrial volcanic energy is at present derived is produced locally within the solid shell of our globe by transformation of the mechanical work of compression or of crushing of portions of that shell, which compressions and crushings are themselves produced by the more rapid contraction, by cooling, of the hotter material of the nucleus beneath that shell, and the consequent more or less free descent of the shell by gravitation, the vertical work of which is resolved into tangential...
Side 250 - Stones, when carried adown a stream by the torrent, or propelled upwards along a beach by the waves, present always their broader and longer surfaces ; and the broader and longer these surfaces are, the further are the stones propelled. They are not launched forwards, as a sailor would say, end on, but tumbled forwards broadside. They come rolling down a river in flood, or upwards on the shore in a time of tempest, as a hogshead rolls down a declivity. In the boulder-clay, on the contrary, most of...
Side 323 - Croll's directions, it is easily found that the change of sea-level which this will produce will consist in a sinking in the first hemisphere and rising in the second, through heights varying according to the same law (that is, simple proportionality to sines of latitudes), and amounting at each pole to...
Side 323 - ... given change in the distribution of solid matter. The remark he makes, that it is round the centre of gravity of the altered solid and altered liquid that the altering liquid surface adjusts itself, expresses the essence of Laplace's celebrated demonstration of the stability of the ocean, and suggests the proper elementary solution of the problem to find the true alteration of sea-level produced by a given alteration of the solid. As an assumption leading to a simple calculation, let us suppose...
Side 213 - Soo. a fragment of a tusk of the Mammoth which had been found in sinking a pit on the farm of Drummuir, Dreghorn. This was found in a bed of sand underlying 76 feet of Boulder-clay (Trans. Geol. Soc. Glasgow, vol. viii. pt. ii. p. 213, etc.). In a paper by Messrs. Craig and Young, in the third volume of the Trans, of the Geol. Soc. of Glasgow, they say, inter alia, that if we look at the recorded instances of...
Side 343 - Young, ,J.: Notes on the Carboniferous Brachiopoda of Scotland, with a revised list of the Genera and Species.