岩体为新鲜绢云母石英千枚岩或新鲜变粒岩。

The rock mass consists of fresh sericite quartz phyllite or fresh leptynite.

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大别山北部佛子岭群变碎屑岩主要由板岩、千枚岩和云母石英片岩等所组成。

Foziling Group in the Dabie Mountains is composed of SLATE, phyllite, mica quartz schist, etc.

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上地壳主要为绿片岩相(部分低角闪岩相)的板岩、千枚岩、片岩、变粒岩以及花岗岩组成，顶部为沉积盖层。

The upper crust is mainly composed of slates, phyllites, schists, granulite of greenschist facies (partly low-amphibolite facies) and granite intrusions, and sedimentary rocks at the top.

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