Porphyritic

[,pɒ:fi'ritik]

解釋/意思:

(adj.) (of rocks) consisting of porphyry or containing large crystals in a fine groundmass of minerals .

編輯:韦斯利--From WordNet

解釋/意思:

(a.) Relating to, or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz, or augite, in a relatively fine-grained base, often aphanitic or cryptocrystalline.

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