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四川是哪两个板块
更新时间: 2020-10-22 00:00:00  

四川位于亚欧板块,并靠近亚欧板块与印度洋板块的交界线,印度洋板块在以每年十五厘米左右的速度向北移动并对亚欧板块造成挤压,这也是导致当年汶川大地震发生的原因。两亿年前,随着印度板块不断向北推进,并向欧亚板块下插入,青藏高原开始上升。随后,喜马拉雅山脉诞生了。而与此同时出现的还有位于青藏高原边缘的那些地质断裂带。龙门山现还仍然是代表着青藏高原和东部地块的相互作用。

关键词: 四川 板块

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