西秦岭鄂尔嘎斯地区金矿地球化学特征及找矿潜力分析

Analysis on Geochemical Characteristics and Prospecting Potential of Gold Deposits in the Ergas Area of the Western Qinling Mountains

鄂尔嘎斯地区位于西秦岭造山带南亚带之西倾山隆起带,成矿区划属于西倾山汞锑金成矿带西段。该成矿带不仅发现了赫格楞汞锑矿床,还发现了大水、贡北、忠曲、辛曲、格尔托等一大批金矿床和矿点。本文对鄂尔嘎斯地区金矿的地质特征进行分析,结合该区地球化学特征,类比相邻金矿床和矿点,认为区内具有寻找浅成中低温热液型金矿的潜力。

The Ergas area is located in the Xiqingshan uplift belt of the south subzone of the West Qinling orogenic belt,and the mineralization zoning belongs to the western section of the Xiqingshan mercury-antimony-gold mineralization belt.This mineralization belt not only discovers the Hegeleng mercury-antimony deposit,but also discovers a large number of gold deposits and occurrences such as Dashui,Gongbei,Zhongqu,Xinqu,and Geltuo.This paper analyzes the geological characteristics of gold deposits in the Ergas area,combined with the geochemical characteristics of the area,and compares adjacent gold deposits and occurrences,and believes that the area has the potential to search for mesothermal and epithermal gold deposits.