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世界几大板块组成
更新时间: 2020-11-04 00:00:00  

世界由六大板块组成,即太平洋板块、印度洋板块、亚欧板块、非洲板块、美洲板块和南极洲板块。板块实际上就是岩石圈,包含了地壳以及一小部分的上部地函(地幔)。因此板块没有“大陆板块”与“海洋板块”的分法,只有依其成分组成命名为“大陆性的板块”与“海洋性的板块”。

关键词: 世界 板块 组成

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