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P206660

Uploaded on:
2009-03-05 11:09:52.0
Type:
Digital Asset
File Size:
396.53 KB
Dimensions:
1001 x 715 pixels
1350 views 11 downloads
P number: P206660
Old photograph number: A06731
Caption: Fisher East End, Burlington Quarries, Lancashire. Looking south-west.
Description: These large slate quarries were formerly worked as large open pits. The slate blocks were initially removed by blasting and then reduced to a manageble size using a mell (sledge hammer) and tully (long-handled wedge-shaped hammer) before being transported to the cutting sheds, sawn to size and riven into thin slates. The railway track and horse drawn wagons in the foreground lead to the Fisher Tunnel and Fisher Hill workings. The slates were brought to the surface using a long series of inclined trackways and water balance lifts. The slates were formed during the Early Devonian when a slaty cleavage was imposed on the Ordovician and Silurian rocks of the area. The best quality slate with the most even and regular cleavage was formed from the lithologically uniform mudstone successions.
Date taken: Thu Aug 01 00:00:00 BST 1935
Photographer: Rhodes, J.
Copyright statement: Crown
X longitude/easting: 324886
Y latitude/northing: 483672
Coordinate reference system, ESPG code: 27700 (OSGB 1936 / British National Grid)
Orientation: Landscape
Size: 396.53 KB; 1001 x 715 pixels; 85 x 61 mm (print at 300 DPI); 265 x 189 mm (screen at 96 DPI);
Average Rating: Not yet rated
Categories: Unsorted Images, Geoscience subjects/ Economic geology/ Slates  

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