初始碰撞时间的定义与印度-亚洲大陆初始碰撞陆壳横剖面示意图 (IMAGE)

Science China Press

初始碰撞时间的定义与印度-亚洲大陆初始碰撞陆壳横剖面示意图

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左图显示初始碰撞时间的定义示意图，指两大陆之间的洋壳消失、下伏大陆边缘远端抵达上覆活动大陆海沟的时间。右图基于西藏南部沉积记录重建的印度-亚洲大陆碰撞初始时期陆壳横剖面图

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©《中国科学》杂志社

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