西藏隆子县邦卓玛金矿床是近年通过区域地质调查新发现的金矿床.重点对邦卓玛金矿床的矿床地质特征及地球化学异常特征进行了系统总结,以期为今后的勘探工作提供基础资料及依据.矿体主要产于上三叠统涅如组二段中,受东西向次级断裂构造带控制;目前共发现金矿脉9条,圈定5个金矿体.通过开展土壤地球化学剖面测量工作,选择了Au、Sb、Pb、Zn、Sn、As作为Au及多金属成矿指示元素,共圈定单元素异常40处,圈定组合异常5处,各组合异常内元素套合较好.综合分析认为,区内找矿前景较大,具有进一步工作价值.
Bangzhuoma Gold Deposit in Longzi County of Tibet is a gold deposit newly discovered through regional geological survey in recent years.The paper focuses on summarizing the geological characteristics and geochemical anomalies of the deposit in hope that it can serve as basic data and reference for future exploration.The ore body mainly occurs in Member No.2 of Nieru formation of upper Triassic and is controlled by west-east trending secondary fault.So far,9 gold veins has been found and 5 ore bodies are delineated.Based on soil geochemical profile measurement,Au,Sb,Pb,Zn,Sn and As are selected as the indicator elements for gold and other metals.All together 40 single ele ment anomalies are delineated along with 5 combination anomalies which show good element suitability.Comprehensive analysis takes that there are large potentials in this area and further exploration is worthwhile.
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