Page 32 - Intra Muros October Issue 2025
P. 32

ESTATE NEWS















































        Now for my favourite part: the actual   The  first  ring  of  the  crater  consists  of  the   The dome, measuring 40km in diameter,
        structure. On Google Earth, the Vredefort   mountain ridges, the Dome Bergland, with the   is the inner core, seen here in a photo
        Dome is huge. It is one of the visible   Vaal  River  flowing  through  them  and  across   taken  from  the  Space  Shuttle.  This
        landscape  features  in  Southern  Africa,   the dome. The full structure is not shown.   version  is  borrowed  from  the  Otter’s
        together with the Cape and Drakensberg   Johannesburg  sits  on  the  third  ring,  off  the   Haunt website. The dome is the huge
        Mountains  and  the  KwaZulu-Natal   photo, to the northwest.             granite  plug  filling  the  hole  left  by  the
        escarpment. Look at the map below left.                                   asteroid in the middle of the structure.
        Do you see the darker half-moon shape   The  dome  is  a  “granite  plug”  in  the  centre   This indicates the greatest energy release
        below Pretoria/Johannesburg? This is the   of  a  three-ringed  crater.  The  small  town  of   on Earth and the biggest and most well-
        Vredefort Dome – images are provided in   Vredefort is nearest the centre, but the dome   preserved asteroid impact site on our
        the pictures above and below.      covers a vast area that includes several towns.  planet.































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