The tectonic stress field in Caledonian epoch is nearly EW-trending,NNE-trending in Indosinian epoch, and NW-trending in Yanshanian epoch, but thedirection of the tectonic stress field in Jinning epoch and the former can not berecovered.
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- 加里东期构造应力场为近东西向挤压构造应力场,印支期构造应力场为北东向,燕山期构造应力场为北西向,而晋宁期及其以前的构造应力场方位无法恢复。
