The Yimeng paleouplift inherits the shape of the crystalline basement, with the Upper Carboniferous directly covering the metamorphosed basement;
伊盟隆起具有继承性，继承了结晶基底的形态，上石炭统太原组直接覆盖在变质基底之上。
Thus we suggest that the Late Palaeozoic sediments are not the metamorphosed basement in the Mesozoic-Cenozoic basins, they are superimposed basins.
因此，晚古生界不是松辽盆地和二连盆地的变质结晶基底，它们是一种叠合盆地关系。
Their basement is composed of Archean to early Proterozoic gneisses and crystalline schists metamorphosed at granulite and amphibolite facies.
它们的基底由太古代至元古代早期的粒相和闪石相变质的片麻岩和结晶片岩组成。
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