| P number: | P204958 |
|---|---|
| Old photograph number: | A05022 |
| Caption: | Dunecroft Quarry, Portland. Looking N. |
| Description: | Dunecroft Quarry, Portland. Looking N. Block of Roach Stone, Portland Beds. 'Roach', a shelly limestone from which much, or all, of the shelly material has been dissolved, leaving cavities in the stone, occurs generally at the top of the Portland Limestone. It is removed in blocks up to 15 tons in weight, as a waste product, before building stone is obtained. |
| Date taken: | Tue Apr 01 00:00:00 GMT 1930 |
| Photographer: | Rhodes, J. |
| Copyright statement: | Crown |
| X longitude/easting: | 368500 |
| Y latitude/northing: | 68500 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 406.12 KB; 1000 x 748 pixels; 85 x 63 mm (print at 300 DPI); 265 x 198 mm (screen at 96 DPI); |
| Average Rating: | Not yet rated |
| Categories: | Unsorted Images, Geoscience subjects/ Economic geology/ Building stones, limestone |
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