obduction

noun3

1. •
   The overthrusting of continental crust by oceanic crust or rocks from the mantle, such that the oceanic crust is thrust onto the continental crust, as occurs at a convergent plate boundary when the continental crust is caught in a subduction zone.

   • These frictional forces slowed the obduction of the ophiolite onto the continental margin and obduction ceased after the nappe was transported 100–200 km. — 2011
2. •
   An autopsy.
3. •
   (no longer used) The act of drawing or laying over, as a covering.