高原寒冷区地电化学提取技术试验与找矿预测

为确定地电化学提取技术在高原寒冷区的最佳工作技术条件,选择在已有工程控制的青海尕大阪铜多金属矿7线剖面,进行地电化学提取技术的对比试验,确定一套适合高原寒冷区的地电化学提取技术。通过对比试验选定其技术指标为:提取时间48 h、供电电压9 V、提取液硝酸浓度15%、提取液用量1000 m L、提取极距1 m、提取材料为经处理过后的泡塑。采用优选的工作技术条件,在矿区东南部未知区域开展隐伏矿勘查预测,圈出了4个有利成矿靶区,指导矿区下一步找矿工作部署。

Geo-electrochemical extraction technology test and the prospecting prediction in cold plateau area

Abstract: To better explore the best working technical conditions of geo-electrochemical extraction techniques in the cold plateau area, the authors chose 7 line sections of the engineering-controlled Gardaban copper polymetallic deposit in Qinghai for the contrastive experimental study with geo-electrochemical extraction technology, and designed a set of suitable geo-electrochemical extraction technologies for the cold plateau area. Through comparative tests, the authors determined the technical indicators: the extraction time is forty-eight hours, the service voltage is 9 V, the concentration and dosage of extracting solution are 15% and 1000 ml respectively, the pole pitch of extraction is 1 m, and the material of extraction is foam plastic. The optimal working technical conditions were adopted, and the prognostic work for concealed orebodies was conducted in the unknown area in the southeast part of the ore district. As a result, four favorable ore-prospecging targets were delineated, which can play the guiding role in the further ore-prospecting work.