Geology Reference
In-Depth Information
Figure 12.19.
(a) Kluftkarren, or clint and grike in granite, Point Brown, northwestern Eyre Peninsula,
South Australia. Clefts (grikes), about 15 cm deep. (b) Shallow fracture-controlled clefts,
Cape Willoughby, Kangaroo Island, South Australia. (c) Kluftkarren on a vertical wall in
leucogranite from Arteixo, A Coruña, Galicia.
rested upon them. This is demonstrated by the correlation in plan shapes of the protective residual
and of the plinth. Similar features are common on the Talia coast of western Eyre Peninsula, but
here the plinths are of sandstone and the blocks resting on them consist of dune calcarenite (some
with calcrete) fallen from the adjacent cliffs. The plinths are due not so much to the protection
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