At the very bottom of the canyon lies the Vishnu Schist, a hard rock originally deposited mainly as sediments some 2 billion years ago. The layer was subsequently covered. Around 1.7 billion years ...

Melville Koppies open their gates every Sunday morning from 08:00 to 11:30. Entry fees are R100 per person and R50 for those ...

The man points to where schist and kaolinite are being formed. Joburg as a city may be crumbling with failing water and energy infrastructure, but it is built on solid rock foundations that date ...