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Related to Piercement structure: salt dome, diapiric, Salt tectonics, Hyaloclastite, halokinesis


A geological structure formed when a mass of material of high plasticity and low density, such as salt, gypsum, or magma, pushes upward into overlying strata.

[French, from Greek diapeirein, to push through : dia-, dia- + peirein, to pierce; see per- in Indo-European roots.]

di′a·pir′ic adj.


(Geological Science) geology an anticlinal fold in which the brittle overlying rock has been pierced by material, such as salt, from beneath
[C20: from Greek diapeirainein to make holes through, pierce]


(ˈdaɪ əˌpɪər)

an anticline of rock the upper regions of which have been penetrated by material from below.
[1915–20; < French < Greek diapeírein to drive through]
di`a•pir′ic (-ˈpɪr ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diapir - a domed rock formation where a core of rock has moved upward and pierced through the more brittle overlying strata
geology - a science that deals with the history of the earth as recorded in rocks
geological formation, formation - (geology) the geological features of the earth
References in periodicals archive ?
There are many Hormuz salt piercement structures, i.
In this area there are numerous Hormuz salt piercement structures, i.