The key structure in this area is a duplex that comprises of a shallow fault bend fold of the Late Triassic and a deep blind stacking anticline imbricated by three thrust sheets of Cenozoic age.
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- 礦山梁構造幾何學(xué)上表現為一個(gè)雙重構造：淺層是一個(gè)晚三疊世形成的斷層轉折褶皺；深層則是在新生代形成的三個(gè)逆沖巖片疊置所構成的隱伏堆垛背斜構造。深部構造的發(fā)育改造了上覆晚三疊世形成的淺層構造。
