>Called the Aranguainha Dome, in Brazil. Located at 16 degrees 47 min S and 52d
>59m W. It is only 40 Km in diameter and is dated at 247.0 +/- 5.5 Ma.
. . .what if (just what IF) this 'dome' is only the central uplift
of a much larger structure?! I dunno. Just wonderin'.
Regards,
TOPHER
Calgary, Alberta