Portion of the basement in a sedimentary basin that is higher than its surroundings
Cross section of the Weald in England. A basement high (the Hampshire-Dieppe High) can be seen in the centre-left.
In geology, a basement high is a portion of the basement in a sedimentary basin that is higher than its surroundings.[1] Commonly, basement highs are hidden by the sedimentary fill of the basin. Usually basement highs are elongated features of tectonic origin.[2]