| 单词 | seed ore |
| 释义 | > as lemmasseed ore seed ore n. U.S. (now historical and rare) iron ore occurring in the form of grains and small lumps. ΘΚΠ the world > the earth > minerals > ore > [noun] > pulverulent or granular seed ore1795 tierras1874 1795 City Gaz. & Daily Advertiser (Charleston, S. Carolina) 19 May The ore consists of large rocks above the surface, the depth not yet known; in cavities between the rocks lie an oker and seed ore. 1883 Jrnl. U.S. Assoc. Charcoal Iron Workers 4 314 The ‘loam ore’ could be shoveled, but the pick was necessary to remove the ‘seed ore’. 1910 W. S. Bayley Iron Mines & Mining New Jersey ii. 30 The three kinds of ore are generally found in each hole; the loam ore nearest the surface, the seed ore under this, and the massive ore at the bottom. 2013 A. K. Knowles Mastering Iron i. 40 The metallic precipitate from iron-rich groundwater formed consolidated lumps called seed ore. < as lemmas |
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