1地质概况湖南柿竹园钨锡多金属矿田野鸡尾矿床位于千里山花岗岩体东南接触带的外侧,中粗粒等粒黑云母花岗岩的石英斑岩岩枝中(图1),该岩枝自西北向南东沿矿田Ⅲ级褶皱——柿竹园—野鸡尾背斜核部上侵于中泥盆统棋梓桥组中。该矿床产于石英斑岩岩枝及其接触带中,几乎整个岩枝及 1 Geological Survey The Hunan Shizhuyuan tungsten-tin polymetallic ore field pheasant tailings deposit is located in the south of the Thousand-Lishan granite southeastern contact zone, the middle coarse grained biotite granite quartz porphyry in the branch (Figure 1), the rock from the northwest To the South East along the orefield Ⅲ fold - Shizhuyuan - wild cock tail anticline nuclei intrusion in the Middle Devonian Qizzi Bridge group. The deposit is produced in quartz porphyry and its contact zone, almost the entire rock branches and