Uploaded on:
2009-03-18 11:34:31.0
Type:
Digital Asset
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411.63 KB
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1000 x 750 pixels
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P number: P552801
Caption: Dolomite. Barjarg Quarry, 440 yards north-east of Barjarg Tower, 1 mile south-west of Closeburn. Dumfries.
Description: Bright, rose-coloured crystalline dolomite containing quartz grains, Composed of granular dolomite, 0.2 - 0.4 mm grain-size, powdered with ferric oxide dust and in places cemented by red ferric oxide aggregate. Composite quartz grains and grains of strained quartz up to 0-5 mm in size are scattered in small quantity throughout the rock. Ghosts of fossil fragments are outlined by varying concentration of ferruginous dust. Dolomite, fine-grained, zoophasmic, uneven mosaic. SL0142. Britrocks S34628. Magnification x40. Light XPL.
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: 411.63 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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