> Alain wrote:
 The
> mountain called "fist of god" is a bullet hole left by an asteroid
> impact which stretched the material the ring was made of.

I'n not sure the shape of the mountain makes sense from a materials property
perspective.
If the scrith were more elastic than brittle (e.g. rubber), you would expect
the material to rebound some after the meteorite passed through. So the
shape of the mountain would be more like a torus, or ripples on a pond.
If the scrith were more brittle than elastic (e.g. wood), you would expect
cracks and faults radiating out from the exit hole, with possibly some of
the slower-moving bits falling back to the surface.
On the other hand, if the material were purely plastic (e.g. clay or metal),
it _might_ deform like the picture, but I suspect the slope of the mountain
would be much shallower, and the shape of the top more flared out.

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