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曲麻莱扎家同那矿区金地球化学特征及找矿潜力预测 预览 被引量:1

Gold geochemical characteristics and the prospecting potential forecast of Zhajiatongna gold orefield of Qumalai
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摘要 扎家同那金矿是青海省地质调查院2005年开展1∶5万矿调工作时发现的,矿床点总体位于大场特大型金矿的东侧。随着近几年的勘查工作,扎家同那金矿资源量已超过20 t。该金矿的发现源于1∶5万金地球化学异常的指示,从地质体金丰度背景、1∶20万、1∶5万水系沉积物测量到1∶1万土壤测量,金地球化学异常特征明显,异常重现性好,直接指导金矿找矿,找矿潜力大。 Zhajiatongna gold deposit was found during the 1∶ 50 000 ore survey by Qinghai Geological Survey Institute in 2005.It was located at east side of Dachang superlarge gold deposit.Based on exploration work in recent years,the amount of gold resources is over 20 tons.The discovery of the deposit was derived from the 1∶ 50 000 gold geochemical anomalies instructions.According to gold abundance background,1∶ 200 000,1∶ 50 000 stream sediment survey and 1∶ 1 million soil measurements,it was shown that gold geochemical abnormal characteristics were significant,with pretty well anomalies reproduction,which could be the direct guid gold prospecting,and the resource potential forecast can be up to large.
作者 郭桂兰 GUO Guilan(Qinghai No.3 Geological Exploration Institute,Xining 810012,China)
出处 《青海大学学报:自然科学版》 2012年第4期41-45,共5页 Journal of Qinghai University(Natural Science)
关键词 金矿 地球化学特征 资源潜力预测 扎家同那 gold deposit geochemical characteristics resource potential forecast Zhajiatongna
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