水口山矿务局柏坊铜矿地表,堆积着大量含铜和稀有金属的贫矿和尾砂。随着生产的发展,尾砂、贫矿的数量日益增多。无产阶级文化大革命以前,由于受刘少奇反革命修正主义路线的影响,认为对这些低品位矿石用现行选冶工艺处理不经济,是得不偿失,因而一直没有考虑利用,任其风吹雨淋,四处流散,危害人民健康和农作物的生长。 Shuikoushan Mining Bureau Park Square copper surface, a large accumulation of copper and rare metals containing lean ore and tailings. With the development of production, the quantity of tailings and lean ore is increasing day by day. Before the Great Proletarian Cultural Revolution, because of the counterrevolutionary revisionist line of Liu Shao-chih, it was considered uneconomical to deal with these low-grade ores by using the existing process of dressing and smelting, which was not worth the money. Therefore, it has never considered using it, leaving its wind and rain, Endanger the health of people and the growth of crops.