Geology. Rocks or rock formations of volcanic origin.
| 单词 | θ5729 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > volcanic rocks (57) volcanic1801 Geology. Rocks or rock formations of volcanic origin. Subcategories:— volcaniclastic (5) — lava (30) — volcanic tuff (5) — trachyte (10) — other volcanics (6) |
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