该套片岩主要由富铝矿物十字石、铁铝榴石和大量黑云母组成，因而其原岩以粘土岩为主。
That suit of schist contans a large number of abundant aluminium mineral: staurolite, almandine and biotite, so the primitive is mostly clayrock.
闽西北中元古代地层在加里东运动期间遭受了变形变质作用，形成了一套片岩—片麻岩—混合岩系变质岩。
The Middle Proterozoic group Strata in northwest Fujian had been Subjected metamorphism in Caledonian orogeny, and formed a metamorphic rock association of schist-gneiss-migmatite series.
曾因其过分简单的道德准则而备受嘲讽的西部类型片，开始被当作一套与观众建立更直接交流的传统规范和行为准则而得到推崇。
Long derided for its simplistic morality, the western film genre came to be seen instead as a series of conventions and codes that acted as a short-hand communication methods with the audience.
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