Oil-gas fields in the carbonate rocks mainly distribute along fault belts, unconformity interfaces, reef zones, fissure zones and active source rocks.
勘探实践表明，碳酸盐岩油气田主要是沿断裂带、不整合面、生物礁发育带、裂缝带及有效烃源岩分布的。
Main disasters in the region include earthquake, active faulting, landslide, fissure and sinking, debris flow and soil erosion.
矿区地质灾害既普遍又严重，主要类型有：地震、活动断裂、滑坡、地面裂陷、泥石流及土壤侵蚀等。
The conclusions can be presented as the reference to structural design and prevention measures of metro tunnel passing through the ground fissure active zone.
研究结果可为西安地铁穿越地裂缝的隧道结构设计与防治措施制定提供一定参考。
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