最有利于矿化的围岩是富镁的滑石片岩、含滑石片岩、含滑石大理岩和黑云母片岩等。
The talc-schist , talcmarble and biotite-schist are the most favourable hosting rocks to mineralization.
长石石英云母片岩、石英岩和大理岩的原岩为沉积岩，与副变质的长英质片麻岩和基性火山岩—起构成了古老的表壳岩组合。
The quartz-mica schist, quartzite and marble were metamorphosed sedimentary rocks, and, together with paragneiss and mafic rock, constituted the old supracrustal series.
其岩石类型主要有云母石英片岩、石英岩、大理岩、炭质千枚岩等，因富含炭质而呈灰色，灰黑色。
The rocks of this Formation, which are black or light black for rich of c, consist mainly of mica quartz schist, quartzite, marble, carbonaceous phyllite.
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