根据古地磁学的原理,可由某地区在某时代的平均磁场强度方向求出该地区在该时代内的古地磁极位置。而由该地区不同时代的古地磁极位置,又可以进一步求出对应的APWP来(APWP为视极移曲线)。此时,如果我们再对不同地区的APWP进行对比,则可判断不同地区之间相对运动的历史状况。显而易见,古地磁学对大陆漂移、海底扩张和板块构造等学说起着极其重要的支柱作用。 According to the principle of paleomagnetism, the paleomagnetic pole position in this area in this area can be obtained from the average magnetic field intensity of a certain area in a certain area. However, from the paleomagnetic poles of different ages in this area, the corresponding APWP can be obtained (APWP is the curve of apparent polarization). At this point, if we compare APWP in different regions, we can judge the historical status of the relative movement between different regions. Obviously, Paleomagnetism plays an extremely important pillar role in continental drift, seafloor expansion and plate tectonics.