Old-red-sandstone sentence example

old-red-sandstone
  • A fault divides the latter from the mass of red-brown Old Red Sandstone that spreads south nearly to Enniskillen.
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  • A few Devonian forms have also been recorded from the Parry Archipelago, and Nathorst has shown the existence of Old Red Sandstone facies of Devonian in Traill Island, Geographical Society Island, Ymer Island and Gauss Peninsula.
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  • Under powers secured in 1884, the town obtains its chief water supply from a gathering ground near the sources of the Taff on the old red sandstone beyond the northern out-crop of the mineral basin and on the southern slopes of the Brecknock Beacons.
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  • The colour is usually red, forcibly recalling the Old Red Sandstone and Trias of England.
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  • It has some similarity to the Old Red Sandstone of Great Britain.
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  • All the islands of this group are built up entirely of Old Red Sandstone.
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  • The upper division of the Old Red Sandstone is found only in Hoy, where it forms the Old Man and neighbouring cliffs on the N.W.
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  • The Lower Old Red Sandstone is represented by well-bedded flagstones over most of the islands; in the south of Pomona these are faulted against an overlying series of massive red sandstones, but a gradual passage from the flagstones to the sandstones may be followed from Westray S.E.
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  • Silurian rocks, with Old Red Sandstone over them, come out at the west end of the Curlew range at Ballaghaderreen.
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  • Clew Bay, with its islets capped by glacial drift, is a submerged part of a synclinal of Carboniferous strata, and Old Red Sandstone comes out on the north side of this, from near Achill to Lough Conn.
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  • The lowest of these younger rocks are the various sedimentary and volcanic members of the Old Red Sandstone.
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  • In other words, the Old Red Sandstone and Carboniferous rocks, though chiefly accumulated in the broad lowland valley, crept also over some part of the hills on either side, where a few outliers tell of their former extension.
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  • In the Old Red Sandstone they are particularly prominent where River- that formation has lain in the pathway of the streams. sweeping down from the Highlands.
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  • Towards the south margin of the Highlands notable instances of true canyons in the Old Red Sandstone are to be seen where the Isla and North Esk enter that formation.
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  • Caithness is one wide moor, terminating almost everywhere seaward in a range of precipices of Old Red Sandstone.
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  • These remnants attain their most colossal size and height on the cliffs of Old Red Sandstone.
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  • Scotland is the typical European region for the deposits classed as Old Red Sandstone.
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  • The Upper Old Red Sandstone covers a more restricted space in most of the areas just mentioned, its chief development being on the flanks of the north-eastern part of the Southern Uplands, where it spreads out over the Lammermuir Hills and the valleys of Berwickshire and Roxburghshire.
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  • The Lower Old Red Sandstone is rich in remains of plants and fishes, notably in the flagstones of Caithness, Orkney and Forfarshire.
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  • 14 stones, with thin limestones towards the top and the Hurlet (Renf rewshire) limestone at the bottom; (I) Calciferous Sandstone series - (b) Upper or Cement Stone group, consisting of white and grey sandstones (of which the city of Edinburgh was built), black shales, thin limestones (Burdiehouse, near Edinburgh), and occasional coal seams; (a) Lower Red Sandstone group, with reddish and greenish marls and shales, passing down with the Upper Old Red Sandstone.
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  • The Lower Old Red Sandstone strata are separated from the foregoing series by a fault and form a curving belt extending from Corloch on the east coast south by Brodick Castle to Dougrie on the west shore.
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  • On the south side of a well-marked anticline in the Upper Old Red Sandstone at North Sannox, the Carboniferous strata reappear on the coast with a south dip showing a similar ascending sequence for about half a mile.
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  • At Corrie and the Cock of Arran they rest on Upper Carboniferous strata; in Ben Lister Glen, on the lower limestone group of the Carboniferous Limestone series; and on the west coast they repose on the Old Red Sandstone.
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  • The town obtains its chief supply of water from moorlands situated on the Old Red Sandstone formation in the valley of the Cray, a tributary of the Usk in Breconshire where a reservoir of 1,000,000,000 gallons capacity has been constructed at a cost of £547,759, under parliamentary powers obtained in 1892, 1902 and 1905.
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  • The group of heights of South Wales, running on the whole from west to east, marks the outcrops of the Old Red Sandstone and Carboniferous strata which lie within a vast syncline of the Silurian rocks.
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  • The Brecon Beacons of Old Red Sandstone are the highest (2907 ft.), but the Black Mountain bears a number of picturesque summits carved out of Millstone Grit and Carboniferous Limestone, which rise frequently over 2000 ft.
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  • Throughout Hereford, and in part of Monmouthshire, the Old Red Sandstone sinks to a great undulating plain, traversed by the exquisite windings of the Wye, and forming some of the richest pasture and fruit lands of England.
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  • Around the western and northern edge of the Old Red Sandstone plain the underlying Silurian rocks (and even the Cambrian and Archaean in places) have been bent up so that their edges form hills of singular abruptness and beauty.
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  • As for the boundaries of these ancient seas, we can say nothing with certainty, but it is of interest to note the evidence we possess of still older land conditions, such as we have in the old rocks of Shropshire, &c. In the Devonian period it is clear that an elevatory movement had set in towards the north, which gave rise to the formation of inland lakes and narrow estuaries in which the Old Red Sandstone rocks were formed, while in the south of England lay the sea with a vigorous coral fauna.
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  • The rocks belong to the Upper Old Red Sandstone.
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  • The other metamorphic areas of the north present even greater difficulties, owing to the absence of any overlying strata older than the Old Red Sandstone.
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  • No certain representative of the Dingle Beds has been traced elsewhere throughout the south of Ireland, where the Old Red Sandstone succeeds the uptilted Silurian strata with striking unconformity.
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  • The Silurian rocks were indeed greatly folded before the Old Red Sandstone was laid down, the general trend of the folds being from south-west to north-east.
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  • All across Ireland, from the Ballyhoura Hills on the Cork border to the southern shore of Belfast Lough, slaty and sandy Silurian beds appear in the axes of the anticlinal folds, surrounded by Old Red Sandstone scarps or Carboniferous Limestone lowlands.
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  • A large exposure of this Old Red Sandstone stretches from Enniskillen to the Silurian beds at Pomeroy, and some contemporaneous andesites are included, reminding us of the volcanic activity at the same epoch in Scotland.
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  • The Slieve Bloom Mountains are thus formed of a dome of Old Red Sandstone folded on a core of unconformable Silurian strata; while in several cases the domes are worn through, leaving rings of Old Red Sandstone hills, scarping inwards towards broad exposures of Silurian shales.
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  • The Old Red Sandstone is most fully manifest in the rocky or heather-clad ridges that run from the west of Kerry to central Waterford, rising to 3414 ft.
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  • Archaean granite is thus exposed at Yampol and other places in Russia, and this is followed towards the west by Silurian and Devonian beds in regular succession - the Devonian being of the Old Red Sandstone type characteristic of the British Isles and of Northern Russia.
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  • The Black Mountains are composed of nearly horizontal Devonian Lower Old Red Sandstone.
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  • The Highland boundary fault separates the metamorphic bedrock of the highlands and the old red sandstone underlying the lowlands.
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  • In the north-western Highlands masses of white quartzite, resting unconformably in Torridonian sandstone, run from Loch Eriboll to Skye, forming in places great conical hills and some L J Recent & Pleistocene F l Cretaceous Jurassic Trias Granite & Acid Intrusive Rocks' Permian Coal Measures, Carboniferous Millstone Grit Series Lower Carboniferous Old Red Sandstone & Devonian Silurian Ordovician Cambrian Scale, z:4,600.000 English Miles o xxxx xzxx xxxx Metamorphic Group Volcanic Rocks ® Basic Intrusive Rocks 'I +++ +++ ob.o times capping isolated mountains of red Torridon sandstone.
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