对已工作过的铁矿远景区(带),而矿产赋存规律尚不清楚的区段或磁异常区,应加强研究和填制地质图;
For prospective iron ore area or an anomaly zone, where the ore occurrence regularity has not been thoroughly studied , detailed geological investigation and mapping should be made.
对已工作过的铁矿远景区(带),而矿产赋存规律尚不清楚的区段或磁异常区,应加强研究和填制地质图;
For prospective iron ore area or an anomaly zone, where the ore occurrence regularity has not been thoroughly studied , detailed geological investigation and mapping should be made.
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