The tectonic magmatism suggests that the plate tectonics had operated in the north margin of Songnen Massif in the Neoproterozoic.
这一构造-岩浆作用暗示着松嫩地块北缘在新元古代板块构造体制就开始运行。
2
The tectonic trends in the granulite massif are arcuate.
变粒岩地块的构造走向是弧形。
3
It is discovered that a combination pattern of small earthquakes manifest the significance of massiftectonic movement and short-term and imminent earthquake precursor.