noun
- Plural of diapirism; the process by which a less dense material (such as salt or magma) rises through denser overlying rock layers, often forming dome-like structures.
Usage: geology; technical
Examples
- Salt diapirisms created distinctive dome structures in the sedimentary basin.
- Geologists study diapirisms to understand subsurface deformation in oil-rich regions.
- The diapirisms in this area have brought deep mineral deposits closer to the surface.
- Magmatic diapirisms can trigger volcanic activity in subduction zones.