The a breakthrough of paleomagnetism in the 1950s provided a more reliable method for determining the paleogeographic location of isolated continents and their relative positions, and to trace the processes of continental divergence, convergence and ocean crustal spreading.
20世纪50年代古地磁技术的突破为确定大陆的古地理位置、古陆块之间的相互关系以及大陆裂解和大洋扩张的历史提供了更有说服力的证据。
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