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  1. #28
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    Default Plate Techtonics

    Quote Originally Posted by Entropy View Post
    Dayuhan,

    Plate tectonics, as a theory, is well enough established that almost all geologists subscribe to it.
    I think we are too quick to accept a theory when it passes our paradigm test but as Aristotle has so wonderfully explained, "It is the mark of an educated mind to be able to entertain a thought without accepting it."

    We are a long way from proving plate techtonics just as we are a long way from accepting all of Adam Smith's formulation of economics in "An Inquiry into the Nature and Causes of the Wealth of Nations."

    Here is an article I wrote on plate theory that I think may be closer to the truth. There is a lot we simply don't understand yet about the earth, earthquakes, tremors and vocanoes. I think it is a mistake to even say "Plate Techtonics is well known. The Earth's crust is like a giant jigsaw puzzle, broken into several pieces known as tectonic plates that constantly bump and grind or slide past each other." It is much more complicated then simply that. The stress imposed by "earth tides," created by the moon earth interactions causes the crust to bend and deflect twice each day. We see this in the form of high and low water tides, but the earth's crust deflection is what actually causes the water tide to occur. This deflection is like bending a steel rod back and forth--eventually it crazes, cracks and weakens the crust--allowing the continent to collapse, slip and the liquid magma to move. The cracking appears to the observer along natural boundaries as a plate and thus plate techtonics. The moon and earth interaction causes the crust to crack but that has little to do with plate techtonics, the suttle difference has little to do with the plate except that where there are active vocanoes, you have a active fault boundary along the cracking. Vocanoes occur on islands and near ocean coastlines because of the heavy weight (pressure) of the water. This pressure causes a hydraulic effect on the magma forcing it up along weaken fissures (tidal fatigue cracking). Once the pressure becomes great enough and the earth's crust weak enough, a volcano grows and finally erupts. The eruption diplaces the incompressible magma and it releases. The void left from the magma release over time, causes the continent to collapse downward due to gravity. The collapsing is felt as a quake. Our scientists call it a fault line using the plate techtonic theory but it is not really the plates sliding as they posit.

    It is a "continental collapse" (as I call it) phenomena and it is why our oceans are becoming deeper. Once, the earth was nearly covered by shallows seas but now the oceans are much deeper and there is a greater land mass exposed. When the earth had shallow seas, most of the continents were under water and the water level was hundreds of feet higher in elevation as evidenced by the finding of sealife fossils high in the mountains. The deepening of the oceans began 580MM years ago just prior to the "Cambrian explosion period" (and continues today). It exposed large amounts of land and allowed many species to propagate.The resulting affect causes volcanoes, earth tremors and earthquakes. In summary, plate techtonics has as many flaws as economic theory....
    Last edited by GPaulus; 09-15-2011 at 03:46 AM. Reason: No Title

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