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17/03/2009 04:36:36
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P number: P527886
Caption: Limestone from Loch Clunie, Perthshire.
Description: A brecciated dolomitic limestone from the south end of Loch Clunie, four miles west of Blairgowrie, Perthshire. British Geological Survey Petrology Collection sample number MC 7662. Brecciated dolomitic limestone, replacing serpentine along the Highland Boundary Fault, is exposed in a disused quarry between the south end of the Loch of Clunie and the farm of Hawkhill, at a locality once known as Limestonebank. It is cut by a quartz-dolerite dyke, which has also been worked. The dolomitic limestone, which is at least 30 feet thick, was formerly burnt. The dolomitic limestone is traversed by minor fault-planes inclined steeply north-west associated thin barytes veins. The dyke is unaffected by the fault movement. The dolomitic limestone probably continues along the fault, but it is very doubtful if it would be worth working unless the dolerite were being extracted at the same time. It is almost certainly of suitable composition for the manufacture of rock wool.
Date taken: 25/06/1905
Photographer: Unknown
Copyright statement: Unknown
Orientation: Landscape
Size: 222.10 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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