Journal of the Geological Society of Dublin, Band 71857 |
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abundant appears Armagh Ballinacourty Ballinglen Ballintrillick Ballyshannon band black shale Blacklion brown brownstone Bruckless Bundoran calcareous slate calp Carboniferous Limestone Carboniferous Slate Carboniferous system Clonea coal colour conglomerate contains Cookstown Cork Cultra Devonian district Donegal Dublin dykes fault felspar felspathic felstone Fermanagh fossiliferous fossils G. Y. Phil granite Gray clay slate gray grits gray limestone green grit greenstone Griffith grits and slates hill Hook Head Ireland Killarney Killymeal Larganmore light gray lime Lisnapaste Little Island locality Lough Erne Lower Limestone magnesian limestone Malahide Manorhamilton mass mica slate miles east miles N.E. miles S.W. miles west Millecent millstone grit mountain occur Old Red Sandstone Orthis Permian Port Presented purple slates quarry quartz Rahoran river rock shore side Silurian Sligo Society species specimens stone strata subdivision thin beds three miles town townland trap Tullyconnel Tyrone unconformably Upper Limestone valley Wexford Yellow Sandstone
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Seite 210 - A Notice of the Origin, Progress, and Present Condition of the Academy of Natural Sciences of Philadelphia.
Seite 209 - Proceedings of the Geological and Polytechnic Society of the West Riding of Yorkshire.
Seite 229 - ... with thin beds of limestone, full of the fossils of the limestone. This yellow part of the Old Red varies from 50 to 200 feet in thickness. The whole thickness of the Old Red Sandstone in Ireland averages about 1000 feet. I am aware that this subdivision, which, in former times, was included in the Carboniferous formation, has been recently cut away from it, and joined with another rock, which lies below it, sometimes directly in contact with it, and both together now called Old Red Sandstone....
Seite 252 - ... London and Edinburgh Philosophical Magazine for July 184'2, but dated May 17th, and communicated to the editors before Mr. Hopkins's Memoir was read at the Geological Society, I indirectly adverted to the views I entertained of the position of the Devon and Cornwall beds ; and in an announcement of them at the meeting of the British Association, held at Manchester in the same month, I was constrained to invoke an elevation and submergence of the old red sandstone prior to the deposition of the...
Seite 63 - Cyclopteris Hibernica is found abundantly. A species, or perhaps two, of Stigmaria, is not uncommon, but there appears to be no undoubted evidence of the occurrence of Sigillaria or Lepidodendron, although the scales of fructification of a Lycopodiaceous plant have been found both at Kiltorkan and near Cork. The
Seite 301 - THE paper which I have the honour to lay before the Society has reference to a section made through the Coal district of the county of Leitrim. It was taken in a direction nearly north and south across Lough Allen. The beds south of that Lake are almost horizontal, and north dip about 10°. Starting from the hills above the Crevylea Company's Iron Works, near the small Lake Lackagh, we pass over the red and white sandstone, or freestone, in which occur thin seams of coal. These were formerly worked,...
Seite 141 - Devon, its own country, one of the most profound geologists found it necessary to ransack Europe, to get suitable parts to make it up ; and it appears to me that Sir Charles Lyell undertook no easy task when he took a limb from Dura Denn, a joint from the cornstones of Herefordshire, an arm from the green chloritic slates of Cornwall, a leg from the gray sandstones of Cromarty, and a part from the Eifel limestone; and endeavoured to join those distant fragments together, and make out of them a consistent...
Seite 126 - Sandstone, arid the rocks on which it rests, are of two different epochs in the earth's history. I shall, therefore, enter on a short account of the Geology of that district. Besides the New Red Sandstone, and the Old Red Sandstone, we have in Ireland another Red Sandstone, or grit, which, I have reason to believe, has frequently been confounded with, or mistaken for, the Carboniferous Old Red, which I have been describing. It is of true Silurian age, as I shall presently show.
Seite 181 - President, in the Chair. The SECRETARY read the Minutes of the last Meeting, which were confirmed, and the names of new candidates were announced, after which the following paper was read : — EARTH CURRENTS.
Seite 210 - Jan. 1.—Proceedings and Papers of the Kilkenny and South-East of Ireland Archaeological Society, Vol.