Sentence:  These frictional forces slowed the <WSD>obduction</WSD> of the ophiolite onto the continental margin and <WSD>obduction</WSD> ceased after the nappe was transported 100–200 km. 
Meaning of the word marked with <WSD> tags:  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.