P number: | P552723 |
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Caption: | Dockra Limestone. Hessilhead Quarry, Lugton. Ayr. |
Description: | Whitish-grey limestone showing shells and spines of Productus and crinoid columnals. In thin section polyzoan zoaria, crinoid columnals, shell fragments and spines form the larger constituents in a base of fine-grained, turbid calcite which is extensively recrystallized to about 0.02-0.05 mm grain-size. A few entire ostracods, foraminiferal and thin-walled shells are present. Scarce stylolitic films with associated pyrite and traces of quartz are present. Limestone, fine-grained, clastizoic. SL0109. Britrocks S34564. 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: | 407.39 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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