Claim: Dent Fault (a major fault zone) consists of  high and unstable blocks like the Alston Block, some of which are underpinned by granitic.
Evidence: The Carboniferous geology of northern England consists of a series of relatively high and stable "blocks", such as the Alston Block separated by actively subsiding "basins", generally referred to as "troughs", such as the Stainmore and Gainsborough Troughs.