金属成矿的 meaning in English

metallogenetic

Throughout researching it has been found that three main types of copper deposits , which mafic - ultramafic rock , marine volcanic rock and porphyry , with middle proterozoic , paleozoic and mesozoic in gansu , china . the cu - bearing formation , deep major faults and late structural - magmatic zones formed in specific geotectonic setting are main ore - controlling and metallogenic factors for copper , gold and polymetallic minerals in this area , and their convergent positions are effective ones formed ore bodies in space
通过研究认为：镁铁质-超镁铁质岩型、海相火山岩型及斑岩型三种铜矿类型，是甘肃的主要铜成矿类型，其主成矿阶段为中元古代、古生代以及中生代；特定大地构造背景下形成的含矿建造、区域性深大断裂以及后期斜向构造-岩浆活动带，是该区铜、金及多金属成矿的主要控矿因素，三者在空间上的复合是矿床体形成的有利部位。