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quarry, Above Derwent
locality:-   Cat Bells
civil parish:-   Above Derwent (formerly Cumberland)
county:-   Cumbria
locality type:-   quarry
locality type:-   mine
locality type:-   lead mine
coordinates:-   NY24911976
1Km square:-   NY2419
10Km square:-   NY21

photograph
CGA67.jpg (taken 7.5.2017)  

photograph
CGA68.jpg  Remains of quartz seam.
(taken 7.5.2017)  
photograph
CGA69.jpg  Remains of quartz seam.
(taken 7.5.2017)  
photograph
CGA70.jpg  Slippensides demonstrating the direction of the fault.
(taken 7.5.2017)  
notes:-  
 The quartz seam, bearing lead ore, was embedded in mudstones of the Buttermere Formation, Skiddaw Group, in a fault whose plane can be seen in the rear face of the quarry. The left side of the quarry went down; the right side up and the strata on that side have thrust folds demonstrating this. The quartz is milky, showing that it was a hydrothermal deposit.
seam connects to:-    Brandlehow Mine, Above Derwent
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