| P number: | P001656 |
|---|---|
| Old photograph number: | B00029 |
| Caption: | Arkle, seen from the south-west across Loch Stack, Sutherland. Platform of Lewisian gneiss overlain unconformably by Cambrian quartzite; thrust planes within quartzite. |
| Description: | Arkle, seen from the south-west across Loch Stack, Sutherland. Platform of Lewisian gneiss overlain unconformably by Cambrian quartzite; thrust planes within quartzite. The unconformity beneath the Cambrian rocks is planar, probably produced by marine erosion, which has removed all Torridonian strata from this part of the Moine Thrust belt. Screes are well developed on the lower, cross-bedded quartzite, but less so on the upper worm-burrowed 'pipe rock'. |
| Date taken: | Thu Jan 01 00:00:00 GMT 1891 |
| 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: | 230300 |
| Y latitude/northing: | 946300 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 164.83 KB; 1000 x 710 pixels; 85 x 60 mm (print at 300 DPI); 265 x 188 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images, Geoscience subjects/ Stratigraphical, Geoscience subjects/ Structural features/ Unconformities and junction planes between beds of different age, Geoscience subjects/ Structural features/ Thrusting |
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