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板块驱动的力学机制
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摘要
板块驱动的力学机制是地质学的分支学科——大地构造学基本理论的核心问题和探索的热点之一,地质学家及天文学家虽经数百年的努力,但现今还没有找到板块驱动力的直接证据。根据已知的地质事实创立的各种假说对某些具体的地质现象的解释存在着较大分歧,目前,各假说还存在一定的局限性和片面性。实际上一些重要地质事件的发生与太阳系绕银核旋转存在一定的相关性,因此,地球作为天体绕太阳、绕银核旋转引起岩石圈板块漂移这一重要因素应该得到充分重视。
     从地球、太阳、银核等绕各自更高一级星系的中心旋转,得出地球在宇宙中是以绝对高的速度相对于假想的宇宙中心运动着,同时,各星系在绕更高一级星系中心旋转时,其速度矢量发生变化,相互叠加可使地球的运动速度发生周期性的变化,即在宇宙中高速运动的地球速度发生长、短周期性变化。根据爱因斯坦相对论力学的质速关系式,结合地球运动速度长、短周期性的变化,可以导出地球质量也同时发生长、短周期性变化;地球质量发生变化后,在遵循动量矩守恒和能量守恒定律的前提下,当质量增加时,地球半径减小,岩石圈板块自转加快,地核自转减慢,岩石圈板块向两极、向东漂移,一年的天数和朔望月天数增加;当质量减小时,地球半径增加,岩石圈板块自转减慢,地核自转加快,岩石圈板块向赤道、向西漂移,一年的天数和朔望月天数减少。由于地球半径的变化、不同深度和不同纬度的岩石圈板块在经向和纬向上的漂移存在一定的差异,产生水平方向上的挤压、拉伸和扭动,使构造应力场发生变化,从而形成相应的构造样式,进而得出地球在宇宙中运动速度变化是岩石圈板块漂移的驱动力来源之一。
     在此基础上,借鉴曾秋生及孙殿卿、程裕淇、王鸿祯、宋叔和、崔盛芹等人给出的古生代以来朔望月天数变化,得出地球在中生代三叠纪开始至侏罗纪末,运动速度增加,白垩纪以来运动速度减小的结论,进而解释了中生代以来华北地块古纬度、古方位的变化规律及夏威夷海岭火山岩年龄由南东向北西由新变老的原因;同时,根据本文的研究成果,结合辽西
The plate driving mechanical mechanism is the branch of geology, which is the center problem of geotectology basic theory and one of the hot spot being searched. Although through hundreds of year's effort, Geologists and astronomers have not found out the direct witnesses of the plate driving forces. All kinds of hypothesizes created according to the known facts, on the explanations to the individual geological facts, are more different. All hypothesizes have certain limitations and one-sidedness, at present. In fact, the occurrence of some important geological events has connection with the solar system going around the center of Milky Way galaxy. Therefore, as an astronomical body, the most important factor that cause the lithosphere plate drift due to the earth goes around the sun and the center of Milky Way galaxy, should be taken into account.According to the earth, the sun and the center of Milky Way galaxy going separately around the center of larger system of stars, the earth goes around the imaginary universe center at absolute higher speed can be educed. Meanwhile, when the systems of stars go around the centers of larger, the speeds vectors change periodically whose overlapping one another can make the earth speed change periodically, that is to say, the speed of the highly moving earth in the universe, changes in long and short periodically. According to the mass and velocity relational expression of Einstein mechanical Theory of Relativity, combined with the earth moving speed changing in long and short periodically, the earth mass changes at the same time in long and short periodically, as well. After this happened, on the premise of conservation of angular momentum and energy, when the mass increases, the earth radius decreases; the lithosphere plate's rotation accelerates; the core rotation slower; and the lithosphere plates drift to the two poles and eastwards; the days of the year and the days when the precession of the equinoxes increase. On the contrary, when the earth mass decrease, the earth radius increases; the lithosphere plate's rotation slow down the core spins faster; and the lithosphere plates drift to tropics and westwards; the days of the year and the days when the precession of the equinoxes decrease. Because of the earth radius changes, the drifts of lithosphere plates in different depth and different latitudes have definite difference in longitude and latitude, and produce extrusion tension and wiggle in horizontal. The structure stress field change and form the corresponding geological structure patterns. The earth speed changing in the universe is one of the driving forces of the lithosphere plates.
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