the fissile structure in certain rocks, especially in clay slate and similar argillaceous rocks, whereby these split into the thin laminæ or…
| 单词 | θ5504 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > texture or colour > [noun] > texture > laminated or fissile (10) slaty cleavage1839 the fissile structure in certain rocks, especially in clay slate and similar argillaceous rocks, whereby these split into the thin laminæ or… stromatolith1916 †(a) A laminated rock structure with a complex interleaving of igneous and sedimentary components. Obsolete. (b) = stromatolite, n. Subcategories:— cleavage or plane (6) — split (2) |
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