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geological walk, Blease Fell, Threlkeld, Cumbria, NY2927 -- Rock, hand specimen of Skiddaw mudstone, slightly metamorphosed to slate, from scree on Blease Fell, Threlkeld, Cumberland, NY29932627, 12 October 2012.
Skiddaw group, mudstone; Ordovician, Llanvirn/Arenig.
(photo 12.10.2012)