河南省焦作市矿产资源丰富,经地质勘查发现矿产40种,已开发利用21种,其中煤炭、耐火粘土、石灰石、硫铁矿、水资源储量均居全省前列。目前,已建立国营矿山企业29座,乡镇集体和个体矿山企业1506座,年产矿石量近2000万t,产值6亿元;以矿产品为原料的生产厂90余个,年产值30多亿元,采掘业和以矿石为原料的企业产值占全市工业产值的30％。但本市在矿业开发利用中仍存在一些问题:①回采率低,资源浪 Jiaozuo City, Henan Province, rich in mineral resources, geological exploration found that 40 kinds of minerals, has been the development and utilization of 21 species, of which coal, refractory clay, limestone, pyrite, water reserves in the forefront of the province. At present, 29 state-owned mining enterprises, 1506 collective and individual township enterprises have been set up, with an annual output of nearly 20 million tons of ore and an output value of 600 million yuan. There are more than 90 production plants that use mineral products as raw materials, with an annual output value of over 3 billion Yuan, extractive industries and ore as raw material output value of the city’s industrial output value accounted for 30%. However, the city still has some problems in mining development and utilization: ① low recovery rate and resource waste