Quote:
Originally Posted by renormalised
That being, they've moved too far from the magma that supplied them (moved away from the mantle plume that supplied the intrusive rocks that produced the volcanoes).
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This still intrigues me Carl, and I'm not sure if I should proceed in this post. but any hooo......
So, if for instance, the recent quake in QLD might move the magma/mantle plume slightly and could possibly have shifted some of the intrusive rocks to allow a crack/ subsidence and then allow the dormant 'volcano' to re-activate.......
by allowing magma to seep through those cracks and weaken the fissures,
Once again I should probably post this in a new tread.....
Bartman