国内低品位多金属含金矿石的选矿工艺尚在有争议地前进。本文主要探讨这类矿石的选矿工艺,并介绍我国小秦岭变质岩含金矿区所产矿石选矿生产实践。一、金矿石的主要特点和性质我矿区金矿石中的金往往存在于复合矿石中,不仅黄金具有工业价值,其伴生有益金属元素也有综合利用的可能,或者为了选 Domestic low-grade polymetallic gold ore dressing process is still controversial. This article mainly discusses the ore beneficiation process of this kind of ore, and introduces the ore beneficiation production practice of the small Qinling metamorphic rock gold-bearing area in our country. First, the main characteristics and nature of gold ore Gold mine gold ore is often present in the composite ore, not only has the industrial value of gold, associated with the beneficial use of metal elements may also be the possibility of comprehensive utilization, or for the election