青海省格尔木市白日其利金矿区构造叠加晕深部找矿预测

Structural superimposed halo-based prediction deep in Bairiqili Gold District,Golmud City,Qinghai Province

白日其利金矿区是五龙沟金矿整装勘查工作区之一。2010—2015年,青海省核工业地质局在该区域进行了系统的金矿勘查工作,取得一定地质效果,显示该区域具有良好的找矿前景。通过对白日其利金矿床Ⅰ号含金矿化蚀变破碎带元素组合、元素相关性、元素空间分布特征,以及主矿体构造叠加晕特点等地球化学特征的综合分析,建立了构造叠加晕预测模式,确定了盲矿体找矿标志,预测了已知矿体的侧伏方向及找矿靶区。构造叠加晕研究及预测结果表明,Ⅰ号含金矿化蚀变破碎带深部存在较大的找矿潜力。

Bairiqili Gold District is one of the integrated exploration work areas of Wulonggou Gold Mine.Qinghai Nuclear Industry Geological Bureau carried out systematic gold prospecting in this area from 2010 to 2015,which achieved certain geological results and showed a good ore prospecting prospect in the district.Based on the comprehensive analysis of the geochemical characteristics such as element combination,element correlation,spatial distribution characteristics,and the structural superimposed halo characteristics of the primary ore body inⅠgold-bearing minera-lized altered fractured zone of Bairiqili Gold Deposit,the paper establishes the prediction model of structural superimposed halo,identifies the indicators for blind ore body prediction,and predicts the lateral distribution of known ore bodies and prospecting target area.The results of the structural superimposed halo study and prediction show that there is great prospecting potential in the deep part ofⅠmineralized altered fractured zone.