Re: Plate Tectonics Graphics?
- From: "oriel36" <geraldkelleher@xxxxxxxxx>
- Date: 26 Nov 2005 04:28:26 -0800
caryrjr wrote:
> I tried Google, but can't find what I'm looking for. Surely it is because
> I'm not educated in these sciences. I'm hoping I can pick the brains of you
> smart people.
>
> I'm looking for a graphic or a set of graphics that will show what the
> future holds as far as plate movement.
>
> In other words... I'm looking for a graphic that will show me where Los
> Angeles is expected to be 1000 years from now or 5000 years from now (just
> an example). I'm really hoping to find an image or images that will cover
> the entire planet.
>
> Anyone know where I can find images like this or have an idea of the
> keywords I should use in a Google search?
>
> Thanks in advance.
>
> Cary
The good news is that the graphics dictating crustal motion and
evolution have yet to be resolved and will look nothing like
contemporary attempts such as convection cells .
http://pubs.usgs.gov/publications/graphics/Fig32.gif
No point in going negative with convection cells/stationary Earth when
observed data of rotating celestial objects determine a specific
feature with a specific underlying mechanism,the profile of the Earth
and the differential rotation in the mantle which conditions that
component plates follow the profile and subsequently are affected by
the same mechanism.
http://www.astronomynotes.com/starsun/sun-rotation.gif
Differential rotation bands in the mantle allow the crust to sit on the
plastic-molten mantle ,move around and because the mantle does not
rotate as a single unit but in bands,the difference betwen bands
affects the fractured plates in terms of Earthquakes and volcanoes.Best
of all,it brings the Earth's shape into the realm of geology .
Give people something new next year and forget about priority and any
of that nonsense by demonstrating that while the natural geological
processes that generate Earthquakes may be far from being understood
precisely and certainly not predicted in any meaningful way,the people
investigating these things are more excited by the avenues of
investigation than they are in defending untenable positions.
.
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