英语语法分析

The basement strata and the migmatite, however, were formed much later, about Cambrian period and early palaeozoic era.

但其基底地层和混合岩形成时代较晚，为寒武纪和下古生代。

The Weipu granitic pluton and the Changpu migmatite are developed in the southern part of the Wuyi tectonic belt, South China.

闽西玮埔岩体和赣南菖蒲混合岩位于武夷山构造带南部地区。

Migmatite and mechanism of migmatization have been controversial issues in the study of geology and petrology for the past so years.

有关混合岩及混合岩化作用形成机理的不同认识，至今在地质学和岩石学中仍是一个争论问题。