The relation between gold grade variation and structure in deep is the key to location and prognostication of concealed ore body.
深部金品位变化规律与构造间关系是隐伏矿体定位预测的难点。
Saline Halos are often formed in the soil containing Fe and Mn oxides and organic material by a concealed sulfide ore body under the action of the ground water.
隐伏硫化物矿体在地下水的作用下，在其覆盖层浅部含铁锰氧化物和有机质的土壤中形成盐晕。
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