Uploaded on:
16/03/2009 11:16:29
Type:
Digital Asset
File Size:
359.58 KB
Dimensions:
1000 x 665 pixels
270 views 4 downloads
P number: P527729
Caption: Mottled limestone from Durness, Sutherland.
Description: Mottled Durness Limestone from a quarry 100 yards east of Sango Bay, Durness, Sutherland. This specimen is probably from the Group III Sailmhor formation, noted for its 'leopard stone', alternating beds of grey and black mottled medium-grained, flaggy to massive crystalline dolomite. British Geological Survey Petrology Collection sample number MC 7506. Individual beds normally range from two to ten feet in thickness. There are two very distinct mottled beds at the base with chert in bands and lenses more abundant towards the top. The Durness Limestone, or more correctly the Durness Group is a sequence of seven distinct sub-formations or limestones, dolomitic limestones and dolomites and associated chert bands of different types.
Date taken: 25/06/1905
Photographer: Unknown
Copyright statement: Unknown
Orientation: Landscape
Size: 359.58 KB; 1000 x 665 pixels; 85 x 56 mm (print at 300 DPI); 265 x 176 mm (screen at 96 DPI);
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