金活动态测量在新城金矿靶区筛选中的应用  

Application of gold mobile fraction on the target screening of Xincheng gold deposit

作　　者：单立华[1] 赵显勇 彭永明 王佩韬 王恩敬 贾洪杰 SHAN Lihua;ZHAO Xianyong;PENG Yongming;WANG Peitao;WANG Enjing;JIA Hongjie(China Non-Ferrous Metals Resource Geological Survey,Beijing 100012,China;Xincheng Gold Mine,Shandong Gold Co.,Ltd.,Laizhou 261400,Shandong,China;Jiaojia Gold Mine,Shandong Gold Co.,Ltd.,Laizhou 261400,Shandong,China)

机构地区：[1]有色金属矿产地质调查中心,北京100012 [2]山东黄金股份有限公司新城金矿,山东莱州261400 [3]山东黄金股份有限公司焦家金矿,山东莱州261400

出　　处：《矿产勘查》2023年第2期244-250,共7页Mineral Exploration

基　　金：新城金矿浅部主矿体下盘次级构造控矿规律研究项目(TP2019-9、0627-19Z5133147)资助。

摘　　要：在金矿脉中,金主要分布于石英脉及硫化物中,而超微细金确具有很强的活性,能够以络合物、吸附态等方式被黏土矿物或有机质捕获。矿脉的上部,多种方式运移上升的金,在次生土壤中富集形成元素异常。通过氧化-络合的方式制作的活动态提取剂,可获得稳定的可溶性络合物,采用iCAPQ数据测量。在实际应用中,通过采集B层土壤并处理加工,获得的Au元素峰值达105×10^(-9)。圈定的靶区位于异常带延长方向上,符合矿区成矿规律,采信度高。金活动态测量适用于特殊景观区的勘查科研工作。Gold is mainly found in quartz vein and sulfide of gold vein,however,the super fine gold having strong activity can be captured by clay minerals or organic matter in the form of complexes,adsorption states,etc.In upper part of the vein,gold can ascending in a variety of ways and is enriched in the secondary soil to form an elemental anomaly.An active extractant prepared by oxidation-complexation can obtain stable soluble complexes which can be measured by iCAPQ.In practical application,by collecting and processing B-layer soil,the peak value of active Au can reach to 105×10^(-9),10 times of enrichment degree.The delineated target area is located in the extension direction of the abnormal belt,according with the met allogenic law of the mining area and having high mining reliability.Gold activity survey is suitable for exploration and scientific research in special landscape areas.

关 键 词：金活动态测量 超微细金 找矿靶区 新城 

分 类 号：P599[天文地球—地球化学]