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煤炭是古代植物埋藏在地下经历了复杂的生物化学和物理化学变化逐渐形成的固体可燃性矿物。一种固体可燃有机岩，主要由植物遗体经生物化学作用，埋藏后再经地质作用转变而成。俗称煤炭。中国是世界上最早利用煤的国家。辽宁省新乐古文化遗址中，就发现有煤制工艺品，河南巩义市也发现有西汉时用煤饼炼铁的遗址。《山海经》中称煤为石涅，魏、晋时称煤为石墨或石炭。明代李时珍的《本草纲目》首次使用煤这一名称
Group: Coal
