At a now-famous seaside outcrop on the eastern coast of Scotland, he saw nearly horizontal layers of red sandstone on top of completely vertical layers of a much different, gray sedimentary rock.

The palaeozoic deep water sedimentary belt along the northern margin of the Yunkai Block also extends to the northeastern coast area of Vietnam.

Sentinels resisting the force of waves, sea stacks off the coast of Washington are all that remain of accreted sedimentary land that was fused onto the continent during subduction.