| 释义 |
ˈiron-ˌsand
1. Geol. Sand containing particles of iron-ore, usually either magnetite or titaniferous oxide.
1805D. McClure Diary (1899) 29 The soil abounds in iron sand Ore. 1862W. K. Hulke Let. 9 Aug. in Richmond-Atkinson Papers (1960) I. 781 Yesterday the battle about the iron-sand leases came off. 1876Page Adv. Text-bk. Geol. xvii. 329 The nodules and pisiform ironsands of the Wealden. 1894Harper's Mag. Jan. 409 ‘Iron-sand’ is a form of magnetite..consisting of silicious particles mixed with grains of iron ore. 1963Times 6 Feb. (N.Z. Suppl.) p. iv/5 New methods have been developed to process the ironsands of the North Island beaches.
2. ‘The steel-filings used in fireworks’ (Cent. Dict.). |