posted on Jun, 15 2005 @ 01:32 PM
Originally posted by Zintac
What if when Pangea broke apart
This is way too long ago to be part of human history.
When the subduction started it would of forced what was there to dive into the earths crust and back into the core.
Close, but not quite accurate. Crustal material can be driven into the mantle, it sinks because of "slab pull" even if its less dense than the
plate its being driven under. But it doesn't return to the core proper.
Also, subduction, we're not talking about plates sinking like rocks in pudding or something, but plates colliding and getting pushed under-over one
Thus any evidence that there was an advanced civilization/Continent on earth would have been destroyed when this happened.
I don't think it woud work, the process is extremely slow, any civilization on that continent would've moved to the over-riding continent. Perhaps
if the civilization was destroyed and everyone was dead, and
the entire plate was being subducted, then the evidence could be destroyed, but
then again there are also 'accretionary wedges/prisms' that build-up along the overriding plate, so that might still contain some sort of evidence
(not intact structures or the like). Also, it 'atlantis' was destroyed, but another civilization was still around, they'd've gone over to
atlantis, even thousands of years later, and find the remains of it.
The human time-scale is just far too short for any of this, and it also just wouldn't be rememered as an island, it'd've been a part of the land
itself that used to be there, but after time was not. The rate is so slow that it couldn't be remembered in anything like human terms.
[edit on 15-6-2005 by Nygdan]