late magmatic minerals 中文意思是什麼
late magmatic minerals
解釋
晚期巖漿礦物-
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
通過研究認為：鎂鐵質-超鎂鐵質巖型、海相火山巖型及斑巖型三種銅礦類型，是甘肅的主要銅成礦類型，其主成礦階段為中元古代、古生代以及中生代；特定大地構造背景下形成的含礦建造、區域性深大斷裂以及後期斜向構造-巖漿活動帶，是該區銅、金及多金屬成礦的主要控礦因素，三者在空間上的復合是礦床體形成的有利部位。
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