Africa's Impact Structures:


        Location: South Africa

        Latitude: S27 0'

        Longitude: E27 30'

        Age (Ma): 2023 4

        Diameter (km): 300

        Exposed at surface: yes

(Top right) Pseudotachylite from Vredefort, which is a vein of
impact generated melt (black) with unmelted clasts of target rock.

(Above) NASA Space Shuttle Image: STS51I-3356AA

(Above Right) Shatter cone from Vredefort.