大河金矿针对古采区的急倾斜残留矿柱及其下盘贫矿体的回采情况，曾用胶结充填法对残留矿柱先采，再用尾砂充填法对下盘贫矿体后采的间隔防震工艺进行试验，为保护矿体上盘的村庄与水利设施，满足矿山生产要求作出应有的贡献 The Dahe Gold Mine Aiming at the reclamation of the steeply inclined residual ore pillar in the ancient mining area and its leftover ore-bearing body, the residual ore pillar was first collected by the cementing and filling method, Of the interval shockproof test, in order to protect the village on the plate and the water conservancy facilities to meet the mine production requirements to make its due contribution