| P number: | P002861 |
|---|---|
| Old photograph number: | D03324 |
| Caption: | Gart, Callander, Perthshire. A glacial erratic. An exhumed ice-scoured boulder of Old Red Sandstone conglomerate occurring in outwash gravels of the Loch Lomond Readvance glacier which terminated in the vicinity. See also D03326 for a close-up. |
| Description: | Gart, Callander, Perthshire. A glacial erratic. An exhumed ice-scoured boulder of Old Red Sandstone conglomerate occurring in outwash gravels of the Loch Lomond Readvance glacier which terminated in the vicinity. See also D03326 for a close-up. The boulder would have been deposited at the ice front of the retreating glaciers. The outwash gravels are the deposits formed on an outwash plain, the drainage area immediately in front of an ice-sheet where there is a large number of temporary constantly shifting streams that carry a great deal of sediment. The deposits consist of irregularly stratified drift from very coarse gravels to fine clay further out from the ice front. |
| Date taken: | Fri May 01 00:00:00 BST 1981 |
| 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: | 264330 |
| Y latitude/northing: | 706270 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 314.42 KB; 1001 x 799 pixels; 85 x 68 mm (print at 300 DPI); 265 x 211 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Best of BGS Images/ Geological structures |
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