This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1878 Excerpt: ...proceeding down the Valley of the Rawthey, being joined by the one from Garsdale, the principal mass passed round the northern part of Middleton Fell, opposite GLACIAL SCRATCHES ON WHERNSIDE. 199 Sedbergh, the rest being in all probability detached and taking a south-easterly course down Dentdale. Looking at the corner ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1878 Excerpt: ...proceeding down the Valley of the Rawthey, being joined by the one from Garsdale, the principal mass passed round the northern part of Middleton Fell, opposite GLACIAL SCRATCHES ON WHERNSIDE. 199 Sedbergh, the rest being in all probability detached and taking a south-easterly course down Dentdale. Looking at the corner of Middleton Fell from a distance, evidences of glaciation on a large scale are very distinct. The Silurian Rocks of which the fell is composed consist of alternations of shale and gritstone, which under ordinary circumstances tend to weather into terraces following the line of the beds. The terraces here are furrowed by a great number of roughly parallel ruts, which cross the strike of the beds at acute angles. On the western flank of the fells scratches occur pointing in a southerly direction. From this place the glacier appears to have taken a south-westerly direction, numerous striae being found on the eastern slope of Farleton Fells and other exposed places, en route to Morecambe Bay. On Howgill Fells, behind Sedbergh, the deep valleys are filled up with glacial debris, through which the streams have cut their channels, exibiting numerous sections. The clays in the upper part are a blue-grey colour, lower down they have a brownish tint. They contain a great number of scratched boulders and stones. The majority are angular, only a small proportion being well rounded. They consist mainly of Silurian Grit and Carboniferous Limestones. The branch proceeding up Dentdale swept round the northern part of Graygarth, and was turned by the great mass of Whernside up Dibdale, where scratches and other remains may be found quite to the summit, and again on the south side in Kingsdale. During this part of its course many evidences of its passage may ...
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