This implies that they have close affinity, and probably are derived from same metamorphic basement with a crust formation age of late Paleoproterozoic.
表明它们具有明显的亲缘关系，可能来源于具有古元古代晚期地壳形成年龄的同一变质基底。
Typical metamorphic pillow basalt is widely distributed in the Liuhang "Formation" of the Taishan "Group", west of Tuanyuangou village, Zhangqiu, western Shandong Province.
鲁西泰山岩群柳杭岩组中，典型变质枕状玄武岩出露在济南章丘的团员沟村西一带。
Therefore, the extensional movement is also one of the mechanisms for controlling formation of the unifying metamorphic basement and sedimentary cover.
由此可以认为伸展构造亦是控制统一变质基底与沉积盖层的形成机制之一。
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