| 单词 | smith ore |
| 释义 | > as lemmassmith ore smith ore n. now rare a brown, crumbly kind of iron ore; spec. a form of limonite from the Forest of Dean. ΚΠ 1843 T. Sopwith Acct. Museum Econ. Geol. 39 There are..several pieces of black-brush and smith ore, from the Forest of Dean. 1859 Geologist 2 251 Ulverstone ‘raddle’, (anhydrous sesqui-oxide of iron), which, like the ‘smith-ore’ of the Forest of Dean, is always of equal value with the more solid products of the veins. 1905 F. W. Rudler Handbk. Coll. Minerals Brit. Islands 116 Three kinds of brown iron-ore are recognised in the Forest of Dean, namely: (1) Brush-ore..(2) Smith-ore, an incoherent form of limonite, often in a finely powdered condition, and less rich in iron than the brush ore. (3) Clod. 1946 G. E. Payne Physical, Social & Econ. Surv. & Plan ii. 39 Limonite..has a brownish yellow streak and when granular or pulverant it is termed ‘smith ore’. < as lemmas |
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