福建将乐八里桥矿区北矿段铅锌银矿地质特征及成因初探

On the Geologic Characteristics and Genesis of the Baliqiao Lead-zinc-silver Ores in Jiangle County,Fujian Province

八里桥铅锌银矿位于将乐—宁化钨锡多金属成矿带东北侧,产于燕山早期第三阶段第三次侵入的中粒黑云母花岗岩外接触带上,贮存于早三叠世溪口组矽卡岩中。矿体呈似层状、透镜状产出,属热液充填型脉状铅锌银矿床。

The Baliqiao lead-zinc-silver deposit is located at the northeast side of the Jiangle-Ninghua tungsten-stannum polymetallic metallogenetic belt,exists in the exocontact belt of mesograin biotite-granite intruded in the early Yanshanian stage and in the skarn of early Triassic Xikou Formation strata.The orebody is discovered in parabedded or lenticular forms.It belongs to the veiny lead-zinc-silver deposit of the hydrothermal filling type.