| P number: | P002025 |
|---|---|
| Old photograph number: | C00602 |
| Caption: | Comiston sand-pit, 4.8 km. south of Edinburgh, Midlothian, with large ice-rafted erratic slab of lava. |
| Description: | Comiston sand-pit, 4.8 km. south of Edinburgh, Midlothian, with large ice-rafted erratic slab of lava. Ice-borne mass of andesite, probably derived from Pentland Hills, resting on glacial sands and gravels with layers and nests of boulder clay. The site is now much overgrown but can still be visited. Such a large displaced rock mass is unusual but illustrates the potential for glaciers to move huge quantities of rock for considerable distances. This is merely at the large end of the size spectrum of erratic blocks which litter the landscape of Scotland and are a characteristic feature of glaciated terranes. |
| 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: | 325500 |
| Y latitude/northing: | 670500 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 326.42 KB; 1001 x 726 pixels; 85 x 61 mm (print at 300 DPI); 265 x 192 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images, Geoscience subjects/ Landforms, glaciation/ Erratics and perched blocks |
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