Definition
diapirs
noun
- Plural of diapir; intrusions of less dense rock material that rise through overlying denser strata, often forming dome-like or mushroom-shaped structures in the Earth's crust.
Usage: geology; technical term
Examples
- Salt diapirs are common features in sedimentary basins where thick salt layers are buried beneath younger rocks.
- The geologists studied the diapirs to understand the structural evolution of the continental margin.
- Mud diapirs can form in areas with rapid sedimentation and high pore pressure.
- These diapirs often create traps for oil and natural gas accumulation.
- The seismic survey revealed several prominent diapirs piercing through the overlying strata.