The Robe obelisk, erected in 1855 as a '"day guide" for ships entering Guichen Bay, stands on the headland but faces eventual collapse due to the erosion of the soft sandstone cliffs. District ...

A number of stages were involved in the original headland shape becoming eroded ... This is called differential erosion. The erosion occurs due to a number of different processes caused by the ...

Waves crashing up against the land cause erosion. Erosion can create caves, arches, stacks and stumps along a headland. A headland is a narrow piece of land that sticks out from the coast into the ...