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| Keywords: The Quarterly journal of the Geological Society of London (12826362445).jpg 1858 <br> JAMIESON PLEISTOCENE ABERDEENSHIRE <br> 513 <br> hillocks of blown sand overgrown with bents which margin the beach <br> occurring sometimes singly sometimes in clusters and of various <br> sizes up to 1 1 or 12 feet in length Their surfaces are either rounded <br> or rugged scarcely ever angular while in mineral character they are <br> generally of greenstone and syenite <br> Fig 2 Diagram showing the position of the Boulders at the top <br> and on the surface of the Gravel-mounds at Menie Coast-guard <br> Station <br> In a field on the farm of Drums a gigantic boulder of granite <br> occurs known as the Grey Stane I found it to measure 54 feet <br> in circumference with a height of about 7 feet above the ground <br> It has no sharp angles and most of its exterior is rounded Another <br> immense block also apparently a transported mass is seen lodged <br> in the surface of a field near Menie I found it to be 78 feet in <br> circumference and projecting 6 feet out of the ground It is a <br> coarse-grained greenstone <br> Drums seems to take its name from these tumuli and hillocks <br> of gravel Druim in the Celtic language meaning a ridge or little <br> hill and being of frequent application in the names of places <br> I found these ridges to consist of highly-rolled fragments of rock <br> of all sizes from coarse gravel up to boulders 2 feet in diameter <br> Those of gneiss are perhaps most numerous often of a hard tough <br> crystalline nature yet much worn and rounded showing the great <br> attrition which they have undergone Granite both grey and red <br> is also plentiful and lumps of serpentine occasionally occur with <br> other varieties of trap ; but besides these there are a good many <br> rounded fragments of red sandstone in several places both at Drums <br> and near Menie On the top of one of these gravel-ridges a little <br> to the north of Drums I found a boulder of coarse crystalline rock <br> of a greenish tint measuring 8 feet in length by 5 in breadth <br> No sharp angles occur on its surface A layer of red clay about <br> 9 inches thick overlies the gravel at this spot ; and I found traces <br> of a similar clay covering the gravel at Drums This boulder rested <br> immediately upon the gravel; but the clay encircled its base An- <br> other large boulder of greenstone lay beside it ; and many other <br> blocks were observed in the adjoining fields <br> Here then are clear instances of large transported boulders sitting <br> on the top of these abrupt ridges of water-worn shingle It seemed 36214503 111684 51125 Page 513 Text v 14 http //www biodiversitylibrary org/page/36214503 1858 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 14 1858 Geology Periodicals Smithsonian Libraries bhl page 36214503 dc identifier http //biodiversitylibrary org/page/36214503 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-28 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12826362445 2015-08-26 17 53 15 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1858 Photos uploaded from Flickr by FĂŚ using a script | ||||
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