SD9856 : Drill holes used to cleave boulder

taken 12 years ago, 3 km from Rylstone, North Yorkshire, Great Britain

Drill holes used to cleave boulder
Drill holes used to cleave boulder
This spot is called Fairies Chest because of the amount of flint tools found.
The old method of cleaving rocks was to carve slots along a line, hammer in wooden wedges and wet them to swell them. (These can be seen on Deer Gallows.) When efficient drills became available it was easier to drill the holes, insert metal "feathers" and then hammer metal pins along the line, eventually cleaving the stone. You can see three levels of cleaving.
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SD9856, 15 images   (more nearby )
Photographer
  (find more nearby)
Date Taken
Sunday, 15 May, 2005   (more nearby)
Submitted
Thursday, 22 February, 2007
Category
Boulders   (more nearby)
Subject Location
OSGB36: geotagged! SD 98765 56116 [1m precision]
WGS84: 54:0.0643N 2:1.2198W
Camera Location
OSGB36: geotagged! SD 98765 56116
View Direction
South-southeast (about 157 degrees)
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