我国地质调查9年以来,发现和评价一批大型、超大型后备勘查基地,新发现矿产地800余处,其中大型以上60余处,提交一批新增资源量,其中:铜3200万吨、铅锌7800万吨、铁矿石7.6亿吨、钾盐4亿吨、磷矿 Since the 9th year of geological survey in China, a batch of large-scale and oversize reserve exploration bases have been discovered and evaluated. More than 800 newly discovered mineral deposits have been discovered, of which more than 60 are large-scale ones. A batch of additional resources are submitted, including 32 million tons of copper, 78 million tons of lead and zinc, 760 million tons of iron ore, 400 million tons of potash, and phosphate rock