西汉水群出露于盆地的南部，以板岩、千枚岩及砂岩为主，夹灰岩块和生物礁；
The Xihanshui Group, which distributes in the southern of the basin, is mainly slates, phyllites and sandstones with carbonatite and reef blocks.
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.
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.
乌鞘岭隧道岭脊段志留系地层千枚岩夹板岩地段，施工中发生大变形，初期支护开裂破坏甚至侵限。
Severe deformation occurred at the siluric stratum at the ridge of Wushaoling Tunnel, causing splitting of primary lining and even exceeding clearance limit.
新元古界双桥山上亚群千枚岩、 板岩；
Upper Neoproterozoic Shuangqiaoshan Group phyllite, arenopelitic shale;
新元古界双桥山上亚群千枚岩、 板岩；
Upper Neoproterozoic Shuangqiaoshan Group phyllite, arenopelitic shale;
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