桃林铅锌矿尾砂库资源化综合利用评价
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摘要
桃林铅锌矿是我国第一个经全国储委审批的大型铅锌矿床,自清末开始开采,历时100多年,形成了巨大的尾砂库。为了掌握桃林铅锌矿尾砂库资源化综合利用状况,首先通过遥感解译、基于尾砂库筑建前与闭库后DEM数据,查明了尾砂库的基本情况;其次按市场价格进行了潜在经济评价;最后,根据矿业遗迹与周边的自然、人文景观特点,进行了矿山公园评价。研究表明:桃矿尾砂库的地表占地面积为2214 726m~2,库容3321.62×10~4m~3,尾砂堆存量5082.08×10~4t;尾砂中有用金属镓的含量为12.34 g/t,储量627.13t,潜在经济价值约4.54亿元;有用矿物萤石的平均含量为5.46%,储量277.48×10~4t,潜在经济价值约68.05亿元;桃矿具备申报国家矿山公园的基本条件与相关要求。
The Taolin lead-zinc mine, which is the first large-scale lead-zinc deposit that had been approved by the National Commission of Mineral Reserves, was exploited since the late Qing Dynasty. Over more than 100 years, it formed a huge tailing bank. In order to evaluate the tailing bank's prospect of resource utilization, the author find out its fundamental state by using remote sensing interpretation and DEM data( before and after construction of the tailing bank). With drilling construction and sampling analysis, useful components of the drilling bank had been studied. Their potential economic were evaluated according to the market price. Based on mining relics, circumjacent natural landscape, human landscape and other characteristics, the author evaluated the mine park as well. The research indicates that the Taolin lead-zinc mine is 2 214 726 m~2, its storage capacity is 3 321.62×10~4 m~3, the tailing pile stock is 5082.08×10~4 t. Among the tailings, the useful Gallium's contents 12.34 g/t, its reserves is 627.13 t, its potential commercial value is about 454 million RMB. The useful fluorite mineral's average content is 5.46%, its reserves is 277.48×10~4 t, and the potential commercial value is about 68050 million RMB. Thus, the Taolin lead-zinc mine can fulfill the basic conditions and relative requirements of declaring a National Mine Park.
The Taolin lead-zinc mine, which is the first large-scale lead-zinc deposit that had been approved by the National Commission of Mineral Reserves, was exploited since the late Qing Dynasty. Over more than 100 years, it formed a huge tailing bank. In order to evaluate the tailing bank's prospect of resource utilization, the author find out its fundamental state by using remote sensing interpretation and DEM data( before and after construction of the tailing bank). With drilling construction and sampling analysis, useful components of the drilling bank had been studied. Their potential economic were evaluated according to the market price. Based on mining relics, circumjacent natural landscape, human landscape and other characteristics, the author evaluated the mine park as well. The research indicates that the Taolin lead-zinc mine is 2 214 726 m~2, its storage capacity is 3 321.62×10~4 m~3, the tailing pile stock is 5082.08×10~4 t. Among the tailings, the useful Gallium's contents 12.34 g/t, its reserves is 627.13 t, its potential commercial value is about 454 million RMB. The useful fluorite mineral's average content is 5.46%, its reserves is 277.48×10~4 t, and the potential commercial value is about 68050 million RMB. Thus, the Taolin lead-zinc mine can fulfill the basic conditions and relative requirements of declaring a National Mine Park.
引文
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[3]赵亚辉,毛昌民,等.湖南省矿产资源总体规划(2016-2020)[R].长沙:湖南省国土资源厅,2016:5-6.
[4]余德清,刘立,等.湖南省矿山开发状况遥感监测(2017)[R].长沙:湖南省遥感中心,2017:152-153.
[5]阎赞,王想,等.尾矿资源化研究在铅锌尾矿中的应用[J].矿产综合利用,2017(1):1-5.
[6]王金超.镓生产工艺及用途[J].土壤通报,2007,38(3):553-557.
[7]冷阳,高惠民,等.内蒙古某萤石选矿实验研究[J].非金属矿,2008,31(4):21-23.