川东地区石炭纪的构造褶皱强烈，断裂发育，完整背斜很少，气藏一般赋存在背斜圈闭内。
In eastern Sichuan, Carboniferous strata are intensely folded and faulted, and complete anticlines are rare; so gas pools are generally non-anticlinal traps.
火焰山构造带受基底逆冲断裂控制，断裂控制背斜圈闭形成。
Huoyanshan structure belts are controlled by the basement thrusts. The formation of anticline traps is controlled by the faults.
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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