FIELD: mining and metallurgical industry. SUBSTANCE: it can be used in dumping of multicomponent rock mass. According to method, benefication is effected on draining base on which beneficated layer is successively formed from rejected ores containing anionogenic metals. Also formed is beneficated layer from rejected ores containing both cationogenic metals of variable valence and anionogenic metals. Additionally formed is layer of metal-bearing ores containing cationogenic and anionogenic metals which is being lixiviated. Thus formed mass is processed by lixiviating solution possessing oxidizing properties. EFFECT: high efficiency. 1 dwg
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