向斜轴部的岩层底面受张拉破碎为‘倒楔形’岩块，背斜轴部岩层底面受压破碎为‘正楔形’岩块。
The bottom of rocks at syncline axis is tensioned and inverse cuneiform-like rock masses are formed. By contraries, cuneiform-like rock masses are formed at anticline axis under compression.
矿体具体受断裂交汇部位附近的次级短轴背斜轴部、倾伏背斜的倾伏端及其翼部被纵向陡倾角断裂构造所切穿的部位控制，是断裂导矿与背斜构造圈闭的体现。
Controlled by structure trap, ore body located in the core of the brachyanticline or pitch part of plunging anticline which was intersected by high angle longitudinal fault.
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