Message from discussion
Ping Pong Stuart Weinstein
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From: Stuart <bigdak...@aol.com>
Newsgroups: sci.geo.geology,talk.origins,sci.physics
Subject: Re: Ping Pong Stuart Weinstein
Date: Sat, 08 Sep 2007 04:29:00 -0700
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On Sep 8, 12:35 am, don findlay <d...@tower.net.au> wrote:
> df wrote:-
>
> http://tinyurl.com/yu5xtdhttp://tinyurl.com/32zg52
> ---------------------------------------
> Come on Stuart, My world is falling apart, I thought I knew what
> Plate Tectonics was saying but I didn't know it was like this. Tell
> me Mr Bercovici is wrong and that the subducting slab is not pulling
> the world apart (because it's cold ) (because it's dense). The slab,
> that is. Tell me the subducting slab doesn't really drive Plate
> Tectonics after all. I always thought the earth being hot inside
> and making convection currents had something to do with it, but now I
> learn, No, ..there is no need for potassium or any other 'um' in the
> core, ..
Sheesh. Such a silly diatribe. Or is it really a plea for help?
Of course heat sources are needed. If the Mantle was not hot, there
wouldn't
be any subduction. Slabs have buoyancy because the mantle is hot.
I explained the basic physics of this mode of convection in posts
to Timberwoof. I suggest you review it.
Once again you've gone off half cocked and made a fool of yourself.
Again.
Stuart
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