The Quarterly Journal of the Geological Society of London, Volume 47The Society, 1891 Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
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Common terms and phrases
acid agglomerates andesitic Anglesey Archæan Arenig awarded Bala bands basic beds Blake Bonney bosses breccias British Cader Idris Caernarvonshire Cambrian Carboniferous conglomerates deposits Devonian diabase district dykes eruptions evidence Excursion fauna Fellows felsites felspar formations Fossil fragments GEIKIE Geol Geological Society Geological Survey geologische geologists Glacial gneiss granite grits Harker Hefte Hill horizon igneous rocks intercalations intrusive Ireland Journ lavas and tuffs Limestone LL.D Llyn Llyn Padarn London Lower Lower-Silurian Lydekker maps masses Medal Memoirs Merionethshire metamorphism microscopic Mineral Mines Mittheilungen Museum North Note Observations occur original Palæozoic paper period porphyry pre-Cambrian present Prof Professor Purchased quartz quartz-porphyry quartzite region Report Sandstone schists sections sedimentary shales sheets sills Silurian Sir Andrew Ramsay slates Smith Woodward Société Géologique South Species strata stratigraphical structure thick traced Transactions tuffs Ueber Upper vents volcanic action volcanic group volcanic material volcanic rocks volcanic series Wales
Popular passages
Page 210 - Contributions to the Tertiary Fauna of Florida, with especial reference to the miocene silex-beds of Tampa and the pliocene beds of the Caloosahatchie River [including in many cases a complete revision of the generic groups treated of and their American tertiary species].
Page 18 - Not less than one third of the annual interest 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 shall...
Page 161 - Mediterranean, or African waters ; furthermore, nearly 45 per cent, of the Mollusca are common to the older Crags of the Eastern counties. The author considers the fauna of the Portland Bill shellbeds to indicate the further opening of the Channel subsequent to the formation of the Severn Straits, and believes that this fauna represents the deposits wanting between the Selsey mud-deposits and the erratic blocks which, according to him, overlie the mud ; these Portland shells indicate an intermediate...
Page 15 - 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.
Page 80 - Padarn, as woll as that of Llandeiniolen, is not a metamorphic but an eruptive rock, as has been demonstrated by Professors Hughes and Bonney. There is no true passage of the sedimentary rocks into it ; on the contrary, the conglomerates which abut against it are in great part made out of its fragments, so that it must have been already in existence before these Cambrian strata were deposited.
Page 49 - Reader, JOHN MILNE, who maketh the fourth John, And by descent, from father unto son, Sixth master mason to a royal race Of seven successive Kings, sleeps in this place.
Page 121 - Lower-Silurian series, probably to the Bala division. That this was the geological horizon of part at least of the area was recognized by Sir A. Ramsay, though he confessed himself unable " precisely to determine on the north coast of Anglesey how much of the strata are of Silurian and how much of Cambrian age...
Page 11 - Balloting-glasses had been duly closed, and the Lists examined by the Scrutineers, the following gentlemen were declared to have been duly elected as the Officers and Council for the ensuing year:— OFFICERS.