| P number: | P552612 |
|---|---|
| Caption: | Limestone, Sandend Group. Blackhillock Quarry, 0.75 mile south of Coachford and about 5 miles north-west of Huntly. Aberdeen. |
| Description: | Grey crystalline limestone with dark micaceous partings. Composed of twinned granular calcite in interdigitating grains of varying size, 0.1 to 2 mm, the larger being elongated along the schistosity. Quartz, muscovite and chlorite are subordinate, and opacite including pyrite, leucoxene and perhaps graphite, accessory. The quartz is distributed as individual grains and as lenticles, the other constituents usually in contorted films swelling in places to small nests. Limestone with quartz, muscovite and chlorite, medium-grained, grano-schistose, foliated. SL0071. Britrocks S34511. 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: | 291.90 KB; 1000 x 750 pixels; 85 x 64 mm (print at 300 DPI); 265 x 198 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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