| P number: | P207758 |
|---|---|
| Old photograph number: | A07836 |
| Caption: | Allhallows beach, Thames Estuary, Kent. |
| Description: | West of the pier, Allhallows beach, south side of Thames Estuary. Looking west showing alluvium at Allhallows beach at low tide. The area to the left, beyond the breakwaters is of Thames mud. Along the line of breakwaters this is covered by a thin layer of sand with a few pebbles. The sand consists largely of comminuted shells. To the right is the alluvium of the Thames Estuary, in process of erosion along the shoreline. The large blocks of stone in the foreground are of Kentish Rag, once used as a protection against erosion. The seawall turns inland near the pier, passing the bushes nearest the camera. The silty and clayey material spread by modern rivers in flood-time is known as alluvium. Streaks of sand and gravel are sometimes present and indicate exceptional floods. Peat is formed in marshy areas by the accumulation of vegetation, in particular mosses and rushes. |
| Date taken: | 01/07/1938 |
| Photographer: | Rhodes, J. |
| Copyright statement: | Crown |
| X longitude/easting: | 583500 |
| Y latitude/northing: | 178500 |
| Coordinate reference system, ESPG code: | 27700 (OSGB 1936 / British National Grid) |
| Orientation: | Landscape |
| Size: | 223.90 KB; 1000 x 709 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/ Landforms, river/ Flood-plains and alluvial flats |
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