Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Disconformity

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_518

A disconformity is also called a parallel unconformity. It is a discontinuity surface between two sets of rocks in the same location. It can form due to extensive uplift of land, which is then subject to denudation to form a lacuna and then to extensive sedimentation again upon subsequent subsidence. A disconformity is mainly characterised by the upper and lower rock sequences that are parallel to each other; and, in other words, no crustal movement has occurred. A disconformity is also called a false conformity.

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