Article · Wikipedia archive · Last revised Jun 17, 2026

Basement high

In geology, a basement high is a portion of the basement in a sedimentary basin that is higher than its surroundings. Commonly, basement highs are hidden by the sedimentary fill of the basin. Usually basement highs are elongated features of tectonic origin.

Last revised
Jun 17, 2026
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Cross section of the Weald in England. A basement high (the Hampshire-Dieppe High) can be seen in the centre-left. source ↗

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

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