摘要
在半干旱草原覆盖区,由于露头稀少、风成沙干扰明显,利用常规化探方法难以取得理想的找矿效果.以内蒙古新巴尔虎右旗为研究区,进行了土壤电导率测量和土壤元素活动态测量找矿方法试验研究.试验结果表明,在已知矿区,土壤电导率测量能明显反应下覆矿体的存在,土壤元素活动态含量在矿区和非矿区之间具有明显的差别.在未知区,土壤电导率测量获得3处异常,土壤元素活动态获得1处综合异常,所得各异常在对应位置均有不同程度的套合.通过2种方法在未知区的应用效果研究,土壤电导率测量和土壤元素活动态测量均能很好的圈出异常范围,浓集中心明显,并且土壤元素活动态测量具有进一步强化异常的作用.
In the arid and semiarid grasslands,the conventional methods of geochemical exploration are not much effective for the rare outcrop and interference of aeolian sand.A test study of soil electro-conductivity survey and soil mobile element survey is carried out in the area of Xinbarerhu Youqi,Inner Mongolia.In mining area,the underground orebodies can be reflected obviously by the soil conductivity survey.The soil mobile element survey can be used to distinguish the mining area from non-mining area.In unknown areas,both methods well delineated anomalies,with distinct concentration centers.
出处
《地质与资源》
CAS
2011年第2期128-132,共5页
Geology and Resources
基金
国家自然科学基金(40972135)资助
关键词
草原覆盖区
电导率
元素活动态
找矿方法
grassland area
electro-conductivity
mobile forms of elements
prospecting method
