下露河化探异常评价中的相态分析

Phase-State Study in Geochemical Anomaly Evaluation of Xialuhe

利用相态分析可确定异常元素的赋存状态,下露河水系沉积物综合异常强度高,浓集中心明显,经过几次异常检查及查证,未获得良好找矿效果,引起异常的成因机制不清。对异常样品中元素在氧化物相、结合相及硫化物相中分配的综合研究证实,Pb、Zn元素主要是以均匀分散形式存在于岩石中,为非矿致异常。

The anomaly of stream sediments in Xialuhe area is with high strength and sensible concentrated center,but the genetic mechanism of the anomaly has not clearly recognized after a few times of anomaly inspection and investigation.The study on distribution of abnormal elements in oxide-phase,combination-phase and sulfide-phase shows that the Pb and Zn elements are even-distributed in the rocks.The anomaly is not caused by mineralization.