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湘西地区的北西向构造以北西向褶皱变形为主，它横跨于该区北东向构造带之上，并对汞矿床等具有重要控制作用。
The NW-trending west-western structure is dominated by northwesterly fold-deformation, which straddles the NE-trending structural zone in the area and has important control over mercury deposits.