This two-day excursion through the world's largest and oldest known impact structure located southwest of Johannesburg showcases both the impact-related structural and thermal features generated by the 2.02 Ga impact and a transect through Archaean and Palaeoproterozoic rocks of the Kaapvaal craton spanning more than a billion years.

The 90-km-wide Vredefort Dome at the centre of the impact structure exposes a 25 km deep crustal profile through polymetamorphic rocks that range from greenschist to granulite facies. Impact-related features include shatter cones, voluminous pseudotachylitic breccias, impact melt dykes and granofelses produced by ultra-high-temperature shock heating.

Aspects of the rich archaeological heritage of the Natural World Heritage Site will also be covered.

Field Trip Leader: Roger Gibson
Start/End: Sandton Convention Centre Johannesburg           
Departs: 08:30 AM
Dates: 2 days, Friday 26th to Saturday 27th August 2016                         
Price: R 6 500 per person sharing with single supplement of R 1 450 per person

Info from Trip Leader

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