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本文介绍了在波罗的地盾上发育的前寒武纪原地洼体制,指出该地在1800—900Ma三次强烈的构造-岩浆过程的高峰,分别代表原地洼的前后三个阶段。
This paper introduces the Precambrian in situ depression system developed on the Baltic Shield and points out the three intense tectono-magmatic processes at 1800-900 Ma, representing the three stages before and after the depression in situ.