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Uploaded on:
14/03/2009 01:58:21
Type:
Digital Asset
File Size:
232.31 KB
Dimensions:
1000 x 672 pixels
107 views 4 downloads
P number: P527000
Caption: Photomicrograph of sandstone from Stancliffe Quarry near Matlock, Derbyshire, England
Description: The image is part of a thin section taken using a relatively high-power lens under crossed-polarized light in order to show the various mineral components in the rock. The specimen is of Carboniferous age. British Geological Survey Petrology Collection sample number S 19152. The sandstone is dominated by grains of quartz and feldspar which show shades of grey. A feldspar grain is seen near the centre of the image. Stancliffe stone has been used extensively in the Edinburgh New Town for repairs to the historic Georgian buildings. In general it is a medium to coarse-grained quartz-rich sandstone with a very pale orange to yellowish-grey colour. It is commonly coarse-grained with a gritty appearance and speckled with orange-brown iron oxide grains. Stancliffe stone has been used for a number of significant buildings including the Salvation Army Headquarters in Clyde Street Glasgow (1983), extensions to Liverpool Town Hall in 1899, the Main Post Office in Sheffield in 1907-09 and Derby County Offices in 1911.
Date taken: 25/06/1905
Photographer: Unknown
Copyright statement: Unknown
Orientation: Landscape
Size: 232.31 KB; 1000 x 672 pixels; 85 x 57 mm (print at 300 DPI); 265 x 178 mm (screen at 96 DPI);
Average Rating: Not yet rated
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