单词 | porphyrotopic |
释义 | porphyrotopic [pȯr¦fir·ǝ¦täp·ik] GEOLOGY Referring to the fabric of a crystalline sedimentary rock in which the constituent crystals are of more than one size and in which larger crystals are enclosed in a finer-grained matrix. Also known as porphyrocrystallic. |
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