The Yangyuan pyroxenite xenoliths all are websterites in which clinopyroxene is more abundant than orthopyroxene.
阳原辉石岩包体均为二辉岩,且多数样品中单斜辉石的含量大于斜方辉石。
参考来源 - 华北克拉通西部岩石圈地幔的性质:河北阳原新生代玄武岩中幔源包体提供的信息·2,447,543篇论文数据，部分数据来源于NoteExpress
N a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene 斜方辉石类
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