阿尔卑斯型橄榄蛇纹岩 Alpine peridotite serpentinite
蛇纹岩是橄榄岩组蚀变最轻微的分子。
Serpentinite is the least altered member of the peridotite suite.
海山顶部的岩石是由蛇纹石化超镁铁质方辉橄榄岩组成。
The rocks at the top of the seamount consist of serpentinized ultramafic harzburgite.
变超基性岩蛇纹石化橄榄岩的稀土元素配分具典型的U形特征，显示为具地幔交代作用的LREE富集地幔残余。
The REE distribution of serpentinized peridotite in ultrabasic rocks is the characteristic of U-type, showing that it was the LREE enriched residual mantle experienced in mantle metasomatism.
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