江西安远路迳金伯利质煌斑岩筒辉石巨晶和包体中辉石的氢氧同位素Hydrogen and Oxygen Isotopic of Pyroxenes from Mantle-Derived Megacryst and Xenolith of the Kimberlitic Lamprophyre Pipe in Lujing,Anyuan,Jiangxi Province
张保民;张晓黎;叶德隆;
摘要(Abstract):
利用离子探针和质谱技术分别分析测试了江西安远路迳金伯利质煌斑岩筒辉石巨晶和包体中辉石的氢氧同位素组成。结果显示,辉石的氢同位素δ(D)值从-83‰变化到-101‰,平均值为-91.6‰;氧同位素δ(18O)值由5.46‰变化到5.70‰,平均值为5.60‰。路迳辉石巨晶和包体中辉石的氢氧同位素组成均一,表明其来源于地幔,且其形成和演化过程中物理化学环境稳定,继承并保持了原始地幔的氢氧同位素组成。
关键词(KeyWords): 氢氧同位素;巨晶和包体辉石;金伯利质煌斑岩;江西省
基金项目(Foundation): 国家自然科学基金项目(40372027)
作者(Author): 张保民;张晓黎;叶德隆;
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DOI:
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