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地幔(德语:Erdmantel;英语:mantle;法语:manteau;原勒拉丁语:mantellum,意为斗篷),来勒地壳个下头,地核个上头,搭地壳以莫氏不连续面为界,搭地核间则以古氏不连续面为界。化学成分主要是含铁、镁个硅酸盐,平均密度是3.3–5.5 g/cm3。
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