P number: | P552658 |
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Caption: | Gilmerton (No. 1) Limestone. Common Hill Quarry, 670 yards south-west of Middleton Mid Lothian. |
Description: | A grey and brownish, compact, fine-grained limestone with calcite-filled fractures. Composed of tiny calcareous fossils including foraminifera, spines, fragments of thin shells and pellets, accessory grains of quartz and granules of pyrite in a fine-grained turbid matrix of calcite, 0.01 grain, recrystallized extensively to clear calcite of grain 0.02 to 0.04 mm. In this base larger fragments of crinoid and shell and large spines are numerous. Limestone, pelitomorphic to micrograined, microfossiliferous, clastizoic, zoophasmic. SL0046. Britrocks S34535. 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: | 230.20 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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