【摘要】 元阳金矿床是一个与铅银铜锡伴生的多金属硫化物含金石英脉型热液金矿床。矿床(体)严格受成矿断裂构造控制,赋存于哀牢山深大断裂西侧继承性活动强烈、含矿热液多阶段矿化迭加明显的多期次级断裂带内。本文详细讨论了成矿构造特征、控矿作用和矿体的富集规律:这对深部成矿预测和扩大矿床远景具有重要意义。更多还原

【Abstract】 Yuanyang gold deposit is recognised as belonging to mesotherrnal polymetallic sulfide quartz vein type. The associated metals are lead. silver, copper and tin which can be recovered as by—products The deposit ceeurs at the west side of the south part of Ailoushan deep fault belt, where the strike of fracture zone turns from NWW to NW, The gold—quartz veins o—ccur in fractures in the variscan diorite body. High grade ore exists only where development of inherited fractures, activated at multiple phases, preveils, and superposition of mineralizations by hydrothermal solutions from different stages becomes remarkable. In this paper, the ore—forming structural characteristics and the effect of tectonic controlling factor are disscussed in detail. Based on the theory with relation to structural geology and metallogenesis, the author makes an analysis of the process of format ion of this gold deposit.更多还原