And the composition of rock and the size and the direction of tectonic stress determine the deformation of rock, while its breakdown is controlled by the pre-existed fault.

岩石组成和构造应力的大小、方向决定着岩石的变形过程，同时岩石的破裂还受先存断裂构造的影响。

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It is pointed out that the principal compressive stress direction of tectonic stress field in the area is nearly s - n.

指出，该区构造应力场的主压应力方向为近南北向。

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And the strong karstification in the same direction as layer and cataclasis create by tectonic stress are the control factors of Ordovician carbonate karst reservoir development.

而强烈的顺层岩溶作用和构造应力引发的破裂作用是轮古东地区奥陶系碳酸盐岩岩溶型储层发育的主控因素。

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