How Earth's continents became twisted and contorted over millions of years
- Written by Dietmar Müller, Professor of Geophysics, University of Sydney
Photographed on Kangaroo Island, this rock – called a ‘zebra schist’ – deformed from flat-lying marine sediments through being stressed by a continental collision over 500 million years agoDietmar Muller, CC BY
Classical plate tectonic theory was developed in the 1960s.
It proposed that the outer layer of our planet is made...
Read more: How Earth's continents became twisted and contorted over millions of years