Liujiaping pyrite type massive sulfide copper (zinc) deposits would be shut in.
刘家坪黄铁矿型块状硫化物铜-锌矿床是一个面临闭坑的矿山。
Copper-bearing colloidal pyrite ore is a refractory ore. The metallurgical performances of copper flotation are very low.
含铜胶状黄铁矿矿石是十分难选的矿石，铜浮选指标很低。
The proved minerals are over 50 kinds like gold, silver, copper, iron, marble, granite, lime stone, and pyrite.
已探明的有金、银、铜、铁、大理石、花岗岩、石灰石、硫铁矿等50多种。
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