Geology Reference
In-Depth Information
(b)
Figure 12.9.
(b) Fretted pattern on surface of dolerite corestone, developed immediately below land surface,
but now released and exposed in roadworks, near Umtata, Transkei, South Africa.
(a)
(b)
Figure 12.10.
Flared slopes in sandstone (a) southern base of Ayers Rock, central Australia, (b) Drakensberg
of South Africa.
Ranges northeastern Eyre Peninsula, South Australia, Litchfield National Park, near Darwin,
Northern Territory and in conglomerate in the Baxter Hills, northeastern Eyre Peninsula, South
Australia.
Mantled and rock pediments are well-developed in other massive rocks, as for example around
Ayers Rock and west of The Olgas, where an extensive plain in conglomerate is in part an exposed
platform, in part a mantled pediment.
