n. porphyroid
... porphyry 斑岩 porphyroid 残斑岩 porphyroclastic 残醉斑状的 ...
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碎屑残斑岩 klastoporphyroid
凝灰残斑岩 tuff porphyroid
残斑变质岩 porphyroid
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笔者们认为二辉麻粒岩包体是下地壳中某种基性岩发生部分熔融，形成中酸性斑岩后的难熔残体，并且利用微量元素的定量模式计算了部分熔融的程度。
The writers think of the two-pyroxene granulite enclaves as the undissolved renains while some kind of basic rock in crust is partly dissolving and after the mid-acid porphyry formed.
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