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On Jul 31, 8:27*am, Sam Wormley wrote:
don findlay wrote: " Plate Tectonics has no answer to the question, what causes the elevation of vast tracts of the planet to form plateaus. * *A Little review for you Don * * *http://en.wikipedia.org/wiki/Plate_tectonics * * *http://www.agu.org/sci_soc/EOSsokhabi.html The mechanism driving plate motion is differential rotation which also produces the 40 Km planetary deviation from a perfect sphere.It is just a matter of borowing principles from rotational stellar dynamics and apply them in principle to the rotating flexible and viscous interior of the Earth . The single mechanism based on geodynamics makes the broad view of plate dynamics and planetary shape fit together neatly with differential rotation already established as an observed rotational principle. It is one of my favoraite insights Sam arising from the investigation of the Earth's motions and its affects |
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Also see Nov 2007 Scientific American article on heating of the earth's
crust and differences correlating with terrain height. oriel36 wrote: On Jul 31, 8:27 am, Sam Wormley wrote: don findlay wrote: " Plate Tectonics has no answer to the question, what causes the elevation of vast tracts of the planet to form plateaus. A Little review for you Don http://en.wikipedia.org/wiki/Plate_tectonics http://www.agu.org/sci_soc/EOSsokhabi.html The mechanism driving plate motion is differential rotation which also produces the 40 Km planetary deviation from a perfect sphere.It is just a matter of borowing principles from rotational stellar dynamics and apply them in principle to the rotating flexible and viscous interior of the Earth . The single mechanism based on geodynamics makes the broad view of plate dynamics and planetary shape fit together neatly with differential rotation already established as an observed rotational principle. It is one of my favoraite insights Sam arising from the investigation of the Earth's motions and its affects |
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On Aug 1, 6:48*pm, "Dennis Wang (Contractor)"
wrote: Also see Nov 2007 Scientific American article on heating of the earth's crust and differences correlating with terrain height. Better still Dennis,the fractured crust profiles the less than spherical shape of the Earth therefore the motion of the crust from one planetary profile to another would have effects such as intraplate Earthquakes and so on as the crust adjusted to a new profile.It is not such a great leap to have rotational geodynamics drive crustal geodynamics,after all,the comparitive depth of crust to the molten interior is very small and given the rotational dynamics which create the 40 KM bulge,I have no problem adapting the rotational dynamics to crustal motion and related effects. Unfortunately,dynamicists seem stuck on a geostationary 'convection cell' mechanism which requires no reference to planetary shape,rotational orientation and exempts the Earth from generalised rules for rotating objects in a viscous state (the interior of the Earth qualifies),by that I mean differential rotation. Plate tectonics may actually tell you quite a lot about planetary rotational dynamics and it would be enjoyable to adjust the Earth's interior composition and viscosity to suit not only the degree of spherical deviation but the energy to drive crustal evolution and motion.Unfortunately dynamicists have organised the Earth's interior to ignore rotational dynamics in favor of geographically and geometrically ill-defined convection cells. oriel36 wrote: On Jul 31, 8:27 am, Sam Wormley wrote: don findlay wrote: " Plate Tectonics has no answer to the question, what causes the elevation of vast tracts of the planet to form plateaus. * *A Little review for you Don * * *http://en.wikipedia.org/wiki/Plate_tectonics * * *http://www.agu.org/sci_soc/EOSsokhabi.html The mechanism driving plate motion is differential rotation which also produces the 40 Km planetary deviation from a perfect sphere.It is just a matter of borowing principles from rotational stellar dynamics and apply them in principle to the rotating flexible and viscous interior of the Earth . The single *mechanism based on geodynamics makes the broad view of plate dynamics and planetary shape fit together neatly with differential rotation already established as an observed rotational principle. It is one of my favoraite insights Sam arising from the investigation of the Earth's motions and its affects- Hide quoted text - - Show quoted text - |
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