周宁芹溪银铅锌矿床成矿作用与找矿方向

Ore-forming Process of the Qinxi Silver-lead-zinc Deposit in Zhounin County and Its Ore-finding Target

周宁芹溪银铅锌矿床位于寿山早白垩世火山喷发盆地北东缘,矿体受火山构造、区域北西—北北西向断裂构造控制,贮存于南园组第三段流纹质晶玻屑凝灰岩中,呈脉状、透镜状产出,属浅成中低温火山-次火山热液银铅锌矿床。

The Qinxi silver-lead-zinc deposit in Zhounin County is located in the northeastern side of the Shoushan Lower Cretaceous volcanic eruption basin. The ore bodies are controlled by the volcanic structures and the northwest and north-northwest trend faulted structures and lay in the rhyolite crystal-vitric tuff of third member of upper Jurassic Nanyuan Formation, which make an occurrence in veins or lentiform. It belongs to the silver-lead-zinc deposit of the mesothermal and epithermal volcanic and subvolcanic hydrothermal type.