(See quots.)
单词 | θ5505 |
释义 | the world > the earth > structure of the earth > constituent materials > rock > texture or colour > [noun] > texture > laminated or fissile > cleavage or plane (6) sline1811 (See quots.) cleavage1816 (with plural) The direction or plane in which a crystal or rock may be split. cleavage-plane1831 (see quot. 1878). rift1841 Mining (chiefly U.S.). Any of a series of parallel planes along which rock (esp. granite) can most easily be split, esp. as distinct from a bedding… schistosity1885 The direction or line of cleavage in a rock of crystalline formation. strain-slip cleavage1886 a rock structure in which there are parallel, closely-spaced shear planes with transverse microscopic folds between adjacent ones. |
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