Re: Questions for Extending Earth Believer
- From: first_name@xxxxxxxxxxxxx (Florian)
- Date: Wed, 28 Nov 2007 01:30:49 +0100
Ozan Türkyılmaz <ozan.turkyilmaz@xxxxxxxxx> wrote:
On 26 Kasım, 00:29, first_name@xxxxxxxxxxxxx (Florian) wrote:
4) how do you explain Anatolia's tectonics? (i live in ?stanbul, i
have to ask this question)
You have to look at the GPS velocities
http://nachon.free.fr/overthrust/GPSaegan.png
Note that Africa and Europa are immobile relatively to each over (no
collision there).
The surface movement are linked to decollement and overthrusting of
different pieces of lithosphere. The origin of the motion is, you guess
it, related to mantle upwelling (a mantle plume if you prefer that term)
pushing away the lithosphere.
actually subduction is pulling the anatolia
You probably refer to a slab retreat, don't you?
But slab retreat means "slab pull"
Then you have a big issue, because the stress inside a slab is
compressive(*) => no slab pull, no slab retreat.
Do you have another explanation?
(*)http://tetide.geo.uniroma1.it/sciterra/sezioni/doglioni/Publ_download
/2007DoglionietalESR.pdf
--
Florian
"Toute vérité passe par trois phases. D'abord, elle est ridiculisée;
ensuite, elle rencontre une vive opposition avant d'être acceptée comme
une totale évidence" - Arthur Schopenhauer
.
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