| P number: | P001105 |
|---|---|
| Old photograph number: | D03675 |
| Caption: | De'il's Dyke, near Keppel Pier, Millport, Great Cumbrae. Buteshire. Tertiary age tholeiitic andesite dyke. One of the type localities for 'cumbraeite' (an anorthite-enstatite-augite hyalo-andesite). |
| Description: | De'il's Dyke, near Keppel Pier, Millport, Great Cumbrae. Buteshire. Tertiary age tholeiitic andesite dyke. One of the type localities for 'cumbraeite' (an anorthite-enstatite-augite hyalo-andesite). The dyke trends north-north-west to south-south-east, is up to 3.6 m. wide and cuts red sandstones of Upper Devonian age. It forms a vertical wall reaching a height of 30 feet and is situated on the raised beach. It averages 20 feet in width, splits into two sections on the shore and reunites at low-water mark. The dyke is part of a major swarm of north-west - south-east trending dykes associated with the intense and prolonged Tertiary volcanism that was spread over eleven million years from 63-52 Ma. In particular, they are associated with the dyke swarm emanating from Mull. |
| Date taken: | Fri Jul 01 00:00:00 BST 1983 |
| Photographer: | McTaggart, F.I. |
| Copyright statement: | NERC |
| Acknowledgment: | This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network |
| X longitude/easting: | 217400 |
| Y latitude/northing: | 654400 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 357.91 KB; 1000 x 778 pixels; 85 x 66 mm (print at 300 DPI); 265 x 206 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images |
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