John Maytham we speak to Professor Roger Gibson, Professor of Structural Geology and Metamorphic Petrology in the School of Geosciences at the University of the Witwatersrand. Professor Gibson has spent decades researching the Vredefort impact structure and joins us to explain how this ancient collision transformed the landscape, why it remains one of the world's most significant geological sites, and what makes it an enduring source of scientific discovery and national heritage.

Presenter John Maytham is an actor and author-turned-talk radio veteran and seasoned journalist. His show serves a round-up of local and international news coupled with the latest in business, sport, traffic and weather. The host’s eclectic interests mean the program often surprises the audience with intriguing book reviews and inspiring interviews profiling artists. 

A daily highlight is Rapid Fire, just after 5:30pm. CapeTalk fans call in, to stump the presenter with their general knowledge questions. Another firm favourite is the humorous Thursday crossing with award-winning journalist Rebecca Davis, called “Plan B”. 

Thank you for listening to a podcast from Afternoon Drive with John Maytham 

Listen live on Primedia+ weekdays from 15:00 and 18:00 (SA Time) to Afternoon Drive with John Maytham broadcast on CapeTalk https://buff.ly/NnFM3Nk 

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