黄金科学技术 ›› 2020, Vol. 28 ›› Issue (6): 837-845.doi: 10.11872/j.issn.1005-2518.2020.06.084
摘要:
都兰县丘吉东沟金矿区位于东昆仑成矿省,具有良好的成矿地质背景。由于矿区面积较大,区内成矿的有利部位难以圈定,从而限制了矿山的找矿与开采工作。为了揭露研究区矿体的成矿特征及找矿方向,通过对青海省都兰县丘吉东沟金矿开展1∶25 000水系沉积物地球化学特征研究,探讨矿床成矿特征并圈定成矿靶区。通过开展水系沉积物研究发现:Ag、Pb、As和Sb元素与成矿元素相关性较高,可作为成矿的指示性元素;运用衬度异常圈定法,在研究区圈定了4个综合异常区,其中Ⅰ级异常1处,为AS-4号综合异常;Ⅱ级异常2处,分别为AS-1和AS-3号综合异常;Ⅲ级异常1处,为AS-2号综合异常。研究结果将为区域找矿理论研究和找矿方向提供依据。
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