Uploaded on:
2009-03-18 11:31:53.0
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P number: P552792
Caption: Blair Atholl Limestone. Gleann Beag two-thirds of a mile south-south-west of Devil's Elbow. Perth.
Description: Dove-grey limestone of medium grain. Composed of inter-locking grains of twinned calcite (0.5-1.5 mm) arranged with slight elongation parallel to a single plane. Grains of quartz, often containing many black granules, and flakes of muscovite are uniformly but not very abundantly scattered through the rock. A few grains and many small granules of ore are disseminated throughout. Limestone with some quartz and muscovite, medium-grained, granoblastic. SL0139. Britrocks S34625. Magnification x40. Light PPL.
Date taken: Wed Jan 21 00:00:00 GMT 2004
Photographer: Sutherland, A.
Copyright statement: NERC
Additional information: Description from: Limestones of Scotland: chemical analyses and petrography. Edinburgh : HMSO, 1956.
Orientation: Landscape
Size: 321.94 KB; 1000 x 750 pixels; 85 x 64 mm (print at 300 DPI); 265 x 198 mm (screen at 96 DPI);
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