二辉橄榄岩（lherzolite）是指由橄榄石，其次是斜方辉石和单斜辉石组成的超镁铁质岩。
n. lherzolite
Garnets in the lherzolite are andradite enriched in Ca and Fe and depleted in Mg and Al (And 95-97, Pyr 0.27-5.06,Gro 0-2.62), indicating that they formed by metamorphism.
含石榴石二辉橄榄岩中的石榴石为钙铁榴石,富Ca和Fe,贫Mg和Al(And95%～97%,Pyr0.27%～5.06%,Gro0～2.62%),为变质成因。
参考来源 - 青藏高原北部东昆仑南缘德尔尼蛇绿岩:一个被肢解了的古特提斯洋壳·2,447,543篇论文数据，部分数据来源于NoteExpress
玄武岩中构成宝石的橄榄石产于二辉橄榄岩包体中和少量的捕虏晶中。
The gem-grade olivines exist in lherzolite enclaves and some xenocrysts.
本文对中国东部一些新生代玄武岩中二辉橄榄岩团块的结构进行了研究。
The ultramafic nodules widely distributed in Cainozoic basalt in eastern China are regarded as fragments of upper mantle that were brought up to the ground surface by basaltic magma.
阳原幔源包体包括二辉橄榄岩和方辉橄榄岩，是华北西部上地幔的直接样品。
The xenoliths in the yangyuan, including iherzolite and harzburgite, represent the direct samples from the upper mantle beneath western north China craton.
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