A kind of trap rock; a greenish- or brownish-black rock, igneous in origin, of compact texture and considerable hardness, composed of augite or…
| 单词 | θ5749 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > trap > basalt (20) basalt1601 A kind of trap rock; a greenish- or brownish-black rock, igneous in origin, of compact texture and considerable hardness, composed of augite or… Subcategories:— clinkstone (5) — white rock (2) — other basaltic (12) |
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