File:Manual of the geology of Ireland (1878) (14784295355).jpg

Identifier: manualofgeologyo00kina (find matches)
Title: Manual of the geology of Ireland
Year: 1878 (1870s)
Authors: Kinahan, G. Henry (George Henry), 1829-1908
Subjects: Geology
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Contributing Library: Boston College Libraries
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travel up the hill to the north-eastward. 240 Geology of Ireland. It has gradually crept up the hill, about 700 feet, destroy-ing all before it, so that the inhabitants have had tomigrate to the other side of the hill. In Omey island, offthe coast of Galway, the sand has covered up a village,and the inhabitants now come out of holes, like rabbits ina burrow. In the vicinity of Galway Bay, in Aranmore,and to the north in Errismore, the sands, within the lastforty years, have taken to travel southward, and havenearly all disappeared out to sea; also on the east coast,between St. Helens and Greenore, County Wexford, thesand dunes formed during the time of the 25 feet sea(Plate V.) have within late years been nearly entirelycarried away by the wind into the sea, and by thelatter round Greenore point; and they are now accumu-lating and forming sand dunes to the east of the new pierof Ballygeary ; at Arklow, County .Wicklow, the greatsand dunes that once existed have now nearly disappeared.
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CHAPTER XV. GLACIATION, ERRATIC BLOCKS, RAISED BEACHES, AND SUBMERGED LAND AND FORESTS. Connected with the Drift are—the Glaciation of thecountry, the Erratic blocks, and the Raised beaches orAncient Sea Margins; and to some extent the Sub-mergence of the land. Glaciation. It would appear, as has been elsewhere stated (JournalRoy. Geol. Soc, vol. i., and Memoirs Irish Branch Geol.Survey),that at one time there was a general south-south-westward movement of a thick sheet of ice across Ireland,while in later times there were systems of local dispersionin connection with the different groups of hills, and stilllater, minor glaciers in the highland valleys ; some of thelatter have only disappeared in very recent times. These conclusions, however, are different from those ar-rived at by the Rev. M. H. Close, who has paid particularattention to the study of the Glaciation of Ireland.* Thisauthority believes that during the glacial period the uni-versal ice sheet had no general movement ac

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