dunite
美['dʌnˌaɪt] 英['duːnaɪt]
n. 纯橄榄岩
例句
用作名词(n.)- The Ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical Ophiolite suite.摘要该蛇绿岩带的岩体由地幔橄榄岩组成，主要岩石类型是方辉橄榄岩和纯橄榄岩，缺少典型蛇绿岩剖面中的洋壳单元。
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