广东省麻布岗地区银多金属矿床地质特征及找矿方向

麻布岗火山盆地是形成于中生代的陆相火山断陷盆地,经历了多期构造—岩浆活动,构造发育且火山岩分布较广。麻布岗火山盆地区域新发现多处银铅锌多金属矿床(点),通过分析区内银多金属矿的矿床特征、控矿条件发现,多数矿床(点)位于盆地边缘构造交汇部位,且与区内矽卡岩体有密切关系,在总结找矿标志的基础上,指出麻布岗火山盆地(西)南部应是下一步寻找多金属矿床的有利方位。

Geological characteristics and exploration potential of Mabugang Ag-Polymetallic Deposits, Guangdong Province

Mabugang volcanic basin was the continental volcanic rift-subsidence basin formed in the Mesozoic, which had experienced tectonic-magmatic activity. The volcanic rocks distribute widely with the development of fracture. More Ag-Pb-Zn polymetallic deposits (spots) have been found recently in this region. By analyzing the features and ore-controlling conditions of silver polymetallic deposits, it was found that most deposits (spots) occur in the tectonic junction of basin edge which has a close relationship with skarn body. Based on summarizing the ore-prospecting criteria, it can be pointed out that the (western) southern Mabugang volcanic basin should be the further prospecting direction for polymetallic deposit.