百年鞍钢厚积“绿色家底”汇聚“绿色动能”“百年老矿坑，闭坑即修复。”走进鞍钢矿业大孤山铁矿观景台，眼前这座地表面积超10平方公里，最深处海拔负426米的巨型矿坑，坑壁上分布着一排排钢铁管道。从十几公里外输送来的尾矿泥浆，沿管道而下，短短几个月，已经在坑底填出了一个红棕色的平面。“大孤山矿1916年开始开采，共采出铁矿石3亿多吨、剥离岩石8亿多吨，去年闭坑后就全面启动生态修复，将为鞍钢作出新的贡献。...
Source Link百年鞍钢厚积“绿色家底”汇聚“绿色动能”“百年老矿坑，闭坑即修复。”走进鞍钢矿业大孤山铁矿观景台，眼前这座地表面积超10平方公里，最深处海拔负426米的巨型矿坑，坑壁上分布着一排排钢铁管道。从十几公里外输送来的尾矿泥浆，沿管道而下，短短几个月，已经在坑底填出了一个红棕色的平面。“大孤山矿1916年开始开采，共采出铁矿石3亿多吨、剥离岩石8亿多吨，去年闭坑后就全面启动生态修复，将为鞍钢作出新的贡献。...
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