《苏联1986～1990年和2000年以前经济和社会发展基本方针》规定的最重要的任务之一,是在科学技术进步的基础上全面强化和提高社会生产效益。这项任务与黑色冶金采矿企业,其中也包括乌拉尔的各铁矿密切相关。乌拉尔各铁矿生产的铁矿石约占全国的20％。乌拉尔的矿床,按其成因、赋存条件、 One of the most important tasks stipulated in the “Basic Guidelines for Economic and Social Development of the Soviet Union from 1986 to 1990 and 2000” is to comprehensively strengthen and improve social productive benefits on the basis of scientific and technological progress. This task is closely linked to the black metallurgical mining companies, which also include the iron mines in the Urals. Iron ore from Ural iron ore accounts for about 20% of the national total. Ural deposits, according to their causes, the conditions of occurrence,