= minera, n. Also: a mineral impregnation.
单词 | θ6251 |
释义 | the world > the earth > minerals > mineral sources > [noun] > material containing ore > matrix (12) miner?a1425 = minera, n. Also: a mineral impregnation. mother stone1442 (a) a type of stone (not identified); (b) a rock from which another rock is derived by structural or chemical change, a parent rock; (c) the matrix… minera?1645 The matrix in which a metal or precious stone was formerly believed to grow; the ore of a metal (see also quot. 1890). Also figurative, esp. in… matrix1651 An embedding or enclosing mass; esp. the rock material in which a metal, fossil, gem, etc., is embedded. Cf. gangue, n. mother-spar1681 the matrix of an ore. veinstone1696 Geology and Mining. Cf. vein, n. 2a. Crystalline or earthy matter forming the bulk of the material in a vein and containing metallic ore; gangue… gangue1778 The unwanted or valueless part of a mineral deposit, surrounding or mixed with the ore; the matrix (matrix, n. 3a) in which a mineral occurs. Cf. vein… veinstuff1796 Crystalline or earthy matter forming the bulk of the material in a vein and containing metallic ore; = veinstone, n. 1a. gangart1799 = gangue, n. matrice1855 = matrix, n. 3a. Now rare. cement1881 Mining. (See quot. 1881.) skarn1901 Originally applied to the silicate gangue of certain Archæan iron-ore or other mineral deposits, esp. where these occur in limestone or dolomite; now… |
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