四川会理红泥坡铜矿工艺矿物学

Process Mineralogy of the Hongnipo Copper Deposit in Huili County,Sichuan

四川会理红泥坡铜矿是康滇铜矿带新发现的大型铜矿,矿石不仅有较高的铜品位,而且富集钴、钼和铁等元素。为合理利用红泥坡铜矿,进行了该矿的工艺矿物学研究。研究表明,矿石中铜的主要载体矿物为黄铜矿,黄铜矿主要呈他形粒状或他形粒状集合体形式嵌布在矿石中;矿石中钴的主要载体矿物为黄铁矿,少量赋存于辉砷钴矿;矿石中钼主要赋存于辉钼矿中,但其矿物量太低,不利于经济回收钼;矿石中含较高的磁铁矿,可作为伴生组分回收。

The Hongnipo deposit is one of the largest copper depoisits in the the Kangdian copper belt,southwest China.This deposit contains not only copper,but also considerable economic amount of Co-Mo-Fe.Through systematic study on process mineralogy,we determine that(a)the main copper mineral is chalcopyrite and the chalcopyrite dominantly distributes in ores as xenomorphic granular or aggregates,(b)the cobalt is mainly hosted in pyrite with less cobaltite,(c)the molybdenum is mainly hosted in molybdenite,but the concentration of molybdenite is too low to recover economically,and(d)the ore has some amount of magnetite.