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人类在地球上已生存了上百万年,从人类诞生之日起,就在不断探索地球的奥秘。到今天,地球的许多奥秘已成为科学常识,但也有的存在争议,还有待于进一步探索。地球陆表究竟是怎样分开的从大陆漂移说,到板块构造说,在解释大陆分离时仅局限于地球整体和地壳表面积固定不变的范围内,忽略了地壳和地慢上部固态部分,总厚度有上千千米,而地球陆地只是地壳表层略为凸出部分,从海底最深处至陆地最高山峰约有20千米之差。由于地球表面低凹处被海水覆盖,所以,从地图视觉映像来看,陆地似乎是分离的。实际上,所有陆地和海洋底部都是相互衔接在一起的整体结构,虽然岩层中有许多构造裂缝,但似乎缺乏长达几千千米的远距离断裂分离移动的可能性。那么,陆表究竟是怎样分开的?这还应从地球的演变说起。宇宙天体从白矮星到行星阶段是一个固态外壳不断膨胀,大气层不断减少的过程,地球内部
Humans have lived on Earth for millions of years and are constantly exploring the mysteries of the earth from the day of humankind’s birth. To this day, many mysteries of the earth have become scientific common sense, but some are still in dispute and have yet to be further explored. How exactly the Earth’s land surface is separated from the mainland means to plate tectonics that it is only limited to the Earth’s entire surface and the surface area of the earth’s crust when it comes to the resolution of the continental divide, ignoring the solid part of the upper part of the Earth’s crust, There are thousands of kilometers, while Earth’s land is only slightly convex surface of the crust, from the depths of the sea to the highest peaks of the land about 20 km difference. Since the low surface of the Earth’s surface is covered by sea water, the land appears to be detached from the visual image of the map. In fact, all land and sea bottoms are interconnected monolithic structures that, despite many structural fractures in the rock formation, seem to lack the possibility of long-distance faults breaking up and moving up to several thousand kilometers. So, what exactly is the difference between the landforms? This should also start with the evolution of the earth. From the dwarf white planet to the planetary stage, the cosmic celestial body is a process in which the solid shell continuously expands and the atmosphere continuously declines. The interior of the Earth