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从聚煤沉积环境与聚煤规律判断,矿床形成于古特提斯海消亡、金沙江板块碰撞结合带西侧的晚三叠世(T3),古地理环境应为滨海海陆交互相。
Judging from the coal accumulation environment and coal accumulation law, the deposits formed in the late Tethys Sea and the Late Triassic (T3) on the west side of the Jinshajiang plate collision combined belt. The paleogeographic environment should be the coastal sea-land interaction phase.