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。
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.
刘桥二矿投产两年多来，井下的渗水部位不断有钙、铁、锰质等析出物形成。
The downhole exudates mainly including travertine, Fe and Mn etc. have produced continuously from the seepage sites of underground mine since Liuqiao No. 2 Coal Mine was put into production.
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