鄂西南地区在地层区划上归属扬子地层区之上扬子分区，晚二叠世地层岩石组合类型多样。
Southwestern Hubei area belongs to upper Yangtze subarea of Yangtze stratum area, the late Permian stratigraphic rock combination type is various.
对应每一旋回，喀喇昆仑地层区和塔里木地层区发育有被动大陆边缘盆地和碰撞造山两种类型的岩石组合。
For Kala Kunlun and Tarim, two kinds of rock associations, passive continental marginal basin and collision orogenic belt, are developed corresponding to each cycle.
泥质片岩是工作区内分布最多的岩石组合，出现了典型中压类型的标型矿物及矿物组合。
And the pelite schist is the main rock type, and contains the classic medium pressure metamorphic minerals.
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