Re: Plate Tectonics Graphics?


caryrjr wrote:
> "oriel36" <geraldkelleher@xxxxxxxxx> wrote in message
> news:1133008106.305304.128980@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> >
> > 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.
> >
>
> Thanks for that. This is so interesting to me. I should go back to school
> and learn Geology. Well. that or Astronomy. I love reading this newsgroup.
> I learn something new everyday.
>
> Thank you.
>
> Cary

It is indeed interesting which is the way it should be.

You always have the option of remaining with convection
cells/stationary Earth which was not a bad attempt for its time -

http://pubs.usgs.gov/publications/text/unanswered.html

If you want to come to something better then there is always using the
Sun's observed differential rotation as a guide to what is going on in
the mantle which affects the crustal plates you are standing on -

http://www.astronomynotes.com/starsun/sun-rotation.gif

You get the mechanism for the Earth's shape and a partial mechanism for
crustal evolution,crustal motion and subsequently terrestial surface
features and short term events like Earthquakes and volcanoes.

Differential rotation bands are for people to enjoy as much as they are
an exciting geological avenue that links astronomical observations with
what is occuring beneath our feet.As observable nature dictates the
conditions and the reasoning which links crustal motion and the Earth's
shape through a single rotational mechanism, I do not condemn you for
you condemn yourselves .If convection cells is all you can manage then
so be it.

.

Relevant Pages

  • Re: Plate Tectonics Graphics?
    ... > Differential rotation bands in the mantle allow the crust to sit on the ... > of all,it brings the Earth's shape into the realm of geology. ... > investigating these things are more excited by the avenues of ...
    (sci.geo.earthquakes)
  • A new area and era
    ... Applying differential rotation to the Earth's mantle over the entire ... It is also the mechanism for crustal motion of the fractured plates ... This is what astronomers do,at least real astronomers. ...
    (sci.astro.amateur)
  • Re: Specifics of the mechanism for the Earths shape.
    ... Differential rotation is latitude dependent and restricted for the ... purpose of crustal motion to the mantle.If the Earth's mantle did not ...
    (sci.physics)
  • Re: Solar rotation period
    ... Nobody will have a problem with differential rotation in the mantle as ... Orbital motions such as Keplerian orbital motions are to the nth degree ... isolating the motions of the planets and describing their motions ...
    (sci.astro)
  • Re: Geostationary or rotational dynamics
    ... the underlying mechanism for crustal motion ... differential rotation there is and how much you think it's affecting ... anyone whom you expect to convince that things are so. ...
    (sci.geo.geology)