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1 镁资源镁在地壳中丰度为2.07％,低于Al、Fe,但高于Mn、Cr、Cu、Pb、Zn等金属。提炼金属镁,制取镁盐和镁质耐火材料的主要原料有海水、盐湖卤水、地下卤水和含镁矿物如菱镁矿、光卤石、白云石、橄榄石、蛇纹石和滑石等。我国青海察尔汗和达布逊湖盐湖卤水中MgCl_2含量居世界前列。我国有丰富的菱矿和白云石资源。菱镁矿主要分布在辽宁,少量分布在山东和河北等地,其储量占世界总储量的22.5％。白云石资源遍布全国各地。
1 Magnesium Resource Magnesium has an abundance of 2.07% in the crust, lower than that of Al and Fe, but higher than that of Mn, Cr, Cu, Pb and Zn. The main raw materials for refining magnesium metal and making magnesium salt and magnesia refractory materials are seawater, salt lake brine, underground brine and magnesium-containing minerals such as magnesite, carnallite, dolomite, olivine, serpentine and talc. The content of MgCl 2 in the brine of Chaerhan and Dabuxun lakes in Qinghai of China ranks forefront in the world. Our country is rich in rhombic and dolomite resources. Magnesite is mainly distributed in Liaoning, a small amount of distribution in Shandong and Hebei and other places, its reserves account for 22.5% of the world total reserves. Dolomite resources throughout the country.