1.   Ollier and Pain draw attention to the neglected problem of how displaced terranes relate to landscape development in the context of Papua New Guinea.

2.   Geomorphologists have yet to assess this possibility, although the relationship between migrating hot-spot swells and landscape development provides an intriguing subject for future research.

3.   An important factor in the mode of landscape development on granite batholiths once they are sub-aerially exposed is the joint structure that they form.

4.   The term karstification is used to refer to the process of karst landscape development.