| P number: | P527834 |
|---|---|
| Caption: | Limestone from Portgower, Sutherland. |
| Description: | A fine-grained, fossiliferous limestone from the Jurassic Brora Arenaceous Series, Ardassie Point, Brora, Sutherland. BGS Sample SL 161. British Geological Survey Petrology Collection sample number MC 7610. A dull, dark grey compact limestone. Composed of a base of intermingled clear, finely granular calcite and very fine-grained calcite in which are set angular grains of quartz, irregular granular groups of pyrite, splinters of coaly matter, accessory muscovite, biotite and siliceous pebbles, and a few 'galls' of calcareous grit. Jurassic limestones are not worked commercially. Usually of only very local significance. |
| Date taken: | Sun Jun 25 00:00:00 GMT 1905 |
| Photographer: | Unknown |
| Copyright statement: | Unknown |
| Orientation: | Landscape |
| Size: | 302.01 KB; 1000 x 665 pixels; 85 x 56 mm (print at 300 DPI); 265 x 176 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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