Based on the certain or no explored mineral resources, a large-area chromium and iron exploring right with low exploration stages is divided into two areas of having and no reserve.
根据勘查区有无探得矿产资源，将一个地质勘查程度较低的铬铁矿大面积探矿权划分为有储量和无储量两个区。
Other important African export commodities are iron ore and timber, followed by manganese, cobalt, copper and chromium.
其他重要的非洲出口商品是铁矿石和木材，其次还有锰、钴、铜和铬。
It has oil, gold, chromium, iron ore and a host of other minerals.
拥有石油、黄金、铬、铁矿石和大量的其他矿产。
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