| P number: | P002345 |
|---|---|
| Old photograph number: | C02416 |
| Caption: | Below Bonnington Linn, 3.2 km. south of Lanark, Lanarkshire. |
| Description: | Below Bonnington Linn, 3.2 km. south of Lanark, Lanarkshire. The gorge of the River Clyde carved out of sandstones of the Lanark Group of Lower Devonian age (formerly Lower Old Red Sandstone). The joint faces which help determine the direction of the gorge (away from the photographer) can be seen in the river bed in foreground. (Note: Linn = waterfall.) Gently dipping successions of alternating hard and soft beds typically give rise to a series of stepped waterfalls of the 'Niagara' pattern, such as at Corra Linn. The harder beds form the top of each cascade while the intervening softer beds are continually undercut by the river. Eventually, support for whole sections of the harder beds is removed and they fall into the pool below. In this way, the whole waterfall thus gradually retreats upstream. |
| Date taken: | Wed Jan 01 00:00:00 GMT 1913 |
| 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: | 288500 |
| Y latitude/northing: | 640500 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Portrait |
| Size: | 216.80 KB; 756 x 1000 pixels; 64 x 85 mm (print at 300 DPI); 200 x 265 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images, Geoscience subjects/ Landforms, river/ Gorges and ravines |
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