我国地质普查人员于1956年发现了80多个有重要经济价值的矿产地,其中有30多个在今年(1957年)即可转入勘探,以便提供开发这些矿产地的设计资料。新发现的矿产地中有十几个是铁矿,如湖北、山西、四川、广东等省内找到的铁矿,储量都很丰富。广东省东部的一个大铁矿,矿体厚达200公 In 1956, China’s geological census officers discovered more than 80 mineral deposits of important economic value, of which more than 30 were switched into exploration this year (1957) to provide design information for the development of these mineral deposits. More than a dozen of the newly discovered mineral deposits are iron mines, such as iron mines found in Hubei, Shanxi, Sichuan and Guangdong provinces. The reserves are very rich. A large iron ore in eastern Guangdong with a thickness of 200 km