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以内蒙老羊壕金矿区为试验基地 ,引进抽气法地气测量 ,探讨了地气测量在内蒙干旱荒漠区寻找浅覆盖区隐伏金矿床的有效性。并以试验资料为依据 ,初步探讨了抽气法地气测量中的若干问题 ,指出了抽气法地气测量中存在微尘颗粒干扰。对寻找隐伏金矿床的多元素地气测量 ,采用经 0 .2 2 μm微孔滤膜过滤泡沫塑料吸附为好。已有资料显示可能有超微粒 (接近纳米级 )物质自深部矿体迁移上来
Based on the test of Laoxiaogou gold mine in Inner Mongolia, gas-measure of gas extraction is introduced, and the effectiveness of gas-measure in searching for hidden gold deposits in shallow cover area in the arid and desert area of Inner Mongolia is discussed. Based on the experimental data, some problems in gas measurement by gas extraction method are discussed preliminarily. The interference of dust particles in gas measurement by gas extraction method is pointed out. Multi-element geo-gas measurements to find hidden gold deposits should be carried out by using 0.22 μm microfilter to filter foam. It has been reported that there may be ultra-particulate (near-nanoscale) matter that migrates from deep ore bodies