| P number: | P200807 |
|---|---|
| Old photograph number: | A00816 |
| Caption: | Coryton Slate Quarry, 6 1/2 m. N. of Tavistock. |
| Description: | Coryton Slate Quarry, 6 1/2 m. N. of Tavistock. Method of working for slate. Cleavage planes are seen dipping from left to right, and in the middle of the photograph a cleavage plane is exposed. The beds dip from right to left at a high angle, and two beds of roofing slate are quarried. The other beds are waste. Vertical joints are seen cutting both bedding and cleavage planes at right-angles. The rocks are of Carboniferous age and underlie chert. |
| Date taken: | 29/06/1909 |
| Photographer: | Hall, T.C. |
| Copyright statement: | Crown |
| X longitude/easting: | 246500 |
| Y latitude/northing: | 84500 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 361.41 KB; 1001 x 734 pixels; 85 x 62 mm (print at 300 DPI); 265 x 194 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images, Geoscience subjects/ Economic geology/ Slates, Geoscience subjects/ Structural features/ Cleavage |
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