| P number: | P552926 |
|---|---|
| Caption: | Cementstone, Ballagan Beds. Ballagan Burn, 530 yards north of Ballagan House. Stirling. |
| Description: | Darkish grey very fine-grained rock, rough to the touch. Composed of grains and rhombs of dolomite, of average grain-size 0.005 mm, with some interstitial faintly brown isotropic material of refractive index close to that of canada balsam, possibly halloysite. Abundant angular grains of quartz, grain-size 0.1 - 0.01 mm and sparse muscovite are scattered through the rock. Dolomitic siltstone. SL0194. Britrocks S34970. 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: | 378.77 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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