这个国家拥有煤炭、铁矿石、石灰石、菱镁矿、石墨、铜、锌、铅和贵金属等矿脉。
The nation boasts veins of coal, iron ore, limestone, magnesite, graphite, copper, zinc, lead and precious metals.
目前镁制品行业在菱镁矿的开采、 煅烧过程中，大量的小颗粒矿石被废弃，这是一个很大的浪费。
At present, a great waste existed in magnesium-related filed due to the abandonment of tremendous finely gruond minerals during the exploitation and calcination of magnesite.
该公司涉及的领域有铁矿石，铜，磷酸岩，石灰石，白云石，石膏，膨润土，菱镁矿，金刚石，锡，钨，石墨等的探测。
It is involved in the exploration of iron ore, copper, rock phosphate, limestone, dolomite, gypsum, bentonite, magnesite, diamond, tin, tungsten, graphite etc.
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