| P number: | P002024 |
|---|---|
| Old photograph number: | C00598 |
| Caption: | Salisbury Craigs, Arthur's Seat (from the south-east), Holyrood Park, Edinburgh, Midlothian. Dolerite sill forming escarpment. |
| Description: | Salisbury Craigs, Arthur's Seat (from the south-east), Holyrood Park, Edinburgh, Midlothian. Dolerite sill forming escarpment. This is one of the best-known geological views in Scotland and shows a sill of teschenitic dolerite overlying early Carboniferous sandstones and marls. It forms a classical eastwards-dipping escarpment feature which is eroding back, giving rise to vertical cliffs with a loose talus slope of fallen debris in front. Salisbury Craigs form only part of the ancient Arthur's Seat volcano which erupted in early Carboniferous times about 325 million years ago. The nearby feature of Samson's Ribs illustrates columnar jointing within a dolerite intrusion originally intruded deep within the volcano. |
| Date taken: | Fri Jan 01 00:00:00 GMT 1892 |
| Photographer: | Lunn, R. |
| Copyright statement: | Crown |
| Acknowledgment: | This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network |
| X longitude/easting: | 326500 |
| Y latitude/northing: | 673500 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 184.48 KB; 1000 x 721 pixels; 85 x 61 mm (print at 300 DPI); 265 x 191 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images, Geoscience subjects/ Igneous features/ Sills, Geoscience subjects/ General views/ Igneous rock country |
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