| P number: | P519703 |
|---|---|
| Caption: | Specimen of phonolite from East Lothian, Scotland |
| Description: | The sample is a polished slab of phonolite rock, which could be used for a decorative cladding on buildings. The specimen is of Carboniferous age. British Geological Survey Petrology Collection sample number EMC 5685. Traprain Law forms a conspicuous landmark in the undulating lowland landscape near Haddington in East Lothian, in a similar way to Berwick Law or the castle rocks of Stirling, Dumbarton and Edinburgh. These are all intrusive sheets or plugs of igneous rock injected into the sedimentary rocks of Carboniferous and Devonian age which dominate the Scottish Midland Valley. The Traprain Law intrusion is a phonolite which is related to the same eruptive volcanic phase that formed the widespread volcanic sequences of basaltic tuffs in East Lothian. The earliest widespread Carboniferous volcanic activity in the Midland Valley is of early Visean age where thick lava sequences are developed within the lower Calciferous Sandstone Measures of East Lothian and Edinburgh. |
| Date taken: | Wed Jan 01 00:00:00 GMT 2003 |
| Photographer: | Bain, T.S. |
| Copyright statement: | NERC |
| Orientation: | Landscape |
| Size: | 228.19 KB; 1000 x 775 pixels; 85 x 66 mm (print at 300 DPI); 265 x 205 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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