Contact: Kea Giles
Geological Society of America
Caption: Iron-rich silcrete mantles beveled quartzite in south-central South Africa. Deep valleys dissect the landscape and steep hillslopes separate the valley bottoms from the flat, gently sloping pediments.
Credit: Paul Bierman and GSA Today.
Usage Restrictions: Credit Paul Bierman and GSA Today.
Related news release: Aging Africa