This rock is about 30-40cm
high (12-16") and quite clearly split three ways
where it sits. It's the sort of thing you can read
about in physical geographic and geological texts
but is quite striking when you actually see it in
situ.
What I don't know about such things is whether the
crack progresses slowly or quickly. Does it shoot
through the rock with a sound? I'd like to imagine a
resounding crack. Or is it a case of a slow
(minutes/hours/days/weeks?) progression and then
gentle easing of pressure?
Picture
copyright Paul Ward |
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