Journal of the Royal Geological Society of Ireland, Volume 8 |
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appears Atrypa Aymestry Bala band beds boulders brownstone Calp carbonate Carboniferous Limestone Chiton clay coal coal-measures coast colour conglomerate Crustacea deposited Dingle district drift DUB.-VOL Dudley Dunquin east feet felspar Ferriter's Cove formation fossiliferous fossils Galway genus GEOL Geological Society geologists granite gray Graywacke greenstone grit Hill inches Ireland Irish iron Island JOURN Journal Kerry Kildare Kinahan Leintwardine lime Llandilo locality Lons Lough Lower Silurian Ludlow M'Coy magnesia mass mica mica slate miles mineral mountain observed occur Old Red Sandstone Orthis paper Phil Plate Port Presented Professor Haughton quartz quartz rock remarkable Royal Royal Dublin Society Salt schist shales shells shore side silica Silurian Silurian rocks Silurian System species specimens Stephen's-green strata Strophomena Sybil Head thick Tirnaskea townland Trilobites Trinity College Tyrone unconformably Upper Silurian Wenlock zone
Popular passages
Page 23 - It measures about 26 miles from north to south and the same distance, from east to west.
Page 150 - This progression, by minute steps, in various directions, but always checked and balanced by the necessary conditions, subject to which alone existence can be preserved, may, it is believed, be followed out so as to agree with all the phenomena presented by organized beings, their extinction and succession in past ages, and all the extraordinary modifications of form, instinct, and habits which they exhibit.
Page 149 - We believe we have now shown that there is a tendency in nature to the continued progression of certain classes of varieties further and further from the original type — a progression to which there appears no reason to assign any definite limits...
Page 209 - ... limestone, casts of fossil shells abound. Inland of these, the ordinary pale carboniferous sandstone and cherty limestone reappeared. The fossils are all small, and of only a few varieties, some being ammonites, but the greater part bivalves.
Page 149 - On the Variation of Organic Beings in a state of Nature ; on the Natural Means of Selection ; on the Comparison of Domestic Races and true Species.
Page 208 - ... ice. 2nd. The specimens were apparently of the same texture and composition as the native rock, whenever the latter was visible from under the snow. 3rd. I do not believe in the lapse of a long interval of time between the silurian and carboniferous deposits, — in fact, in a Devonian period. 4th. The same blending of corals has been found in Ireland, the Bas Boulonnais, and in Devonshire, where silurian and carboniferous forms are of common occurrence in the same localities.
Page 132 - Presented by the Society. Proceedings and Papers of the Kilkenny and South-East of Ireland Archaeological Society, Nos.
Page 70 - The Red and Fluvio-marine Crags, tested by their mammalian fauna, must be considered as beds of the same geological age. Throughout this paper, for the sake of clearness, the subgeneric names have been used in designating the species. The author, finding that the name Elasmodon, applied to the third group of Elephants, in the
Page 250 - ... the red; and this was counted the best, producing most silver; whereas the other, or glistering sort, was very barren, and went most away into litteridge or dross. "The oar yielded one with another three-pound weight of silver out of each tun; and, besides the lead and silver, the mine produced also some quicksilver, but not any alum, vitriol, or antimony, that he could hear of.
Page 223 - Part ii. ; presented by the Society. 'Proceedings of the Literary and Philosophical Society of Liverpool, during the Fifteenth Session, 1860-61,