| P number: | P552652 |
|---|---|
| Caption: | Bilston Burn (No. 3) Limestone, 3 feet dolomitic band at top. Quarry, Esperston Limeworks, 660 yards north-east of Esperston. Mid Lothian. |
| Description: | Dark grey, fine-grained, granular dolomite, of 0.05 mm grain-size, containing remains of small shells and crinoids. Treatment with Lemberg's solution and by the silver nitrate-potassium chromate reaction show no calcite. There is much opaque carbonaceous matter, and perhaps pyrite also, apparently concentrated at the location of former microfossils. The dolomite is ankeritic with omega = 1.690. Ferriferous dolomite, fine-grained, zoophasmic, uneven mosaic. SL0044. Britrocks S34533. 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. 10 minutes in Logwood stain. |
| Orientation: | Landscape |
| Size: | 257.39 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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