Zonality, azonality, and the coastal context - Landforms and Geology of Granite Terrains - page 317

(b)

Figure 12.21. (b) Alveoles in sandstone exposed in cliff at Talia, west coast of Eyre Peninsula, South Australia.

Others are peculiarly coastal. Thus, shore platforms are obviously not found elsewhere, though
whether they are characteristic of granite exposures has been disputed. In Victoria, Hills (1949)
found no platforms developed on granite, though they are more or less well-developed on many
other rock types. On the other hand, shore platforms are well-developed in granite on the west
coast of Eyre Peninsula, and at other Australian sites, e.g. Coles Bay in Tasmania. In some areas,
and especially on the west coast of Eyre Peninsula, the platforms are of etch origin, being due to
the stripping by waves and other marine agencies, of a regolith, remnants of which are widely pre-
served beneath a late Pleistocene dune calcarenite (Fig.12.19d). Again, shore platforms of this
kind are well-developed in granite on the coast of Galicia, and also in western Canada where they
are part of the strandflat ( Fig. 12.22) . In part, this mild difference of perception and interpretation
may be a semantic problem, in that there is a gradation between quite smooth platforms (like that
at Smooth Pool, northwestern Eyre Peninsula) and irregular, blocky and bouldery, yet overall quite
gently inclined, features like that exposed at Point Drummond, southwestern Eyre Peninsula
( Fig. 12. 23) . Fitted blocks have already been mentioned, and pecking, the apparent chipping out