论文部分内容阅读
距昆明市西南40多公里处的安宁市县街磷矿区是一个开阔、平展的磷矿露天采场。县街磷矿区曾是国土资源部公告的整顿规范重点矿区之一,也是云南省人民政府确定的29个矿产资源开发整合重点矿区之一。云南磷矿资源储量全国第一,达40多亿吨;其中县街磷矿区累计探明磷资源量6.37亿吨,占全省资源总量的14%。
Anning County County phosphorite mine, which is more than 40 kilometers southwest of Kunming City, is an open and flat open pit of phosphate rock. County Street phosphate mine was once announced by the Ministry of Land and Resources rectification norms of key mining areas, but also the Yunnan Provincial People’s Government identified 29 mineral resources development and integration of key mining areas. The reserves of phosphate rock in Yunnan Province are the largest in the country, reaching over 4 billion tons. Among them, 637 million tons of total phosphorus were found in county phosphate mining areas, accounting for 14% of the total resources in the province.