NZ9701 : Disused quarry and spoil heap

taken 4 years ago, near to Ravenscar, North Yorkshire, Great Britain

Disused quarry and spoil heap
Disused quarry and spoil heap
Locally mined rock was combined with human urine, to make Alum, used to fix dye to cloth for the then emerging UK textile industry. From 1640 to 1862 Ravenscar, a sparsely populated place, had an industry of world class importance. Alum was produced from the local shale. This chemical was of huge economic importance and the Peak Alum Works even attracted raids by foreign pirates and was guarded by cannon set into the cliff top. The extraction process to produce alum was peculiar, involving burning the rock for months over huge bonfires then pouring human urine over the heaps of rock. Urine had to be collected from cities all over England and imported by the boatload. Nice job.
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NZ9701, 146 images   (more nearby )
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Date Taken
Monday, 7 October, 2013   (more nearby)
Monday, 14 October, 2013
Geographical Context
Quarrying, Mining 
Former (from Tags)
Alum Quarry 
Subject Location
OSGB36: geotagged! NZ 9719 0150 [10m precision]
WGS84: 54:23.9819N 0:30.2654W
Camera Location
OSGB36: geotagged! NZ 97250 01621
View Direction
South-southwest (about 202 degrees)
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Other Tags
Dismantled Railway Line 

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Image classification(about): Geograph
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