= porphyry, n. 3.
| 单词 | θ5754 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > porphyrite rock (23) porphyrite1794 = porphyry, n. 3. porphyroid1794 A rock having a porphyritic texture, esp. one which is metamorphic in origin. porphyrine1811 Geology. A porphyritic rock consisting largely of feldspar. Subcategories:— containing felspar crystals (1) — containing one or more minerals (1) — subdivision (5) — varieties of (13) |
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