In geology, a disturbance is a linear zone of disturbed rock strata stretching for many miles across country which comprises a combination of folding and faulting.
Other examples in Wales and the border counties of England include the Clun Forest, Saron, Trimsaran and Llannon (or 'Llanon') disturbances.
[1] The Silverdale[2] and Burtreeford disturbances[3] are found in northern England.
The following named features comprise both faulting and folding;
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