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white iron pyrites
(Encyclopedia) white iron pyrites: see marcasite.bog iron ore
(Encyclopedia) bog iron ore: see limonite.cast-iron architecture
(Encyclopedia) cast-iron architecture, a term used to designate buildings that incorporate cast iron for structural and/or decorative purposes. After 1800 cast-iron supports were exploited as an…Ironton
(Encyclopedia) Ironton, industrial city (2020 pop. 10,400), seat of Lawrence co., S Ohio, on the Ohio River; inc. as a city 1865. Chemicals, dyes,…Whyalla
(Encyclopedia) Whyalla, city (1991 pop. 21,828), South Australia state, S Australia, on Spencer Gulf. The city has shipbuilding and iron and steel industries. Iron ore and iron and steel products are…ironwork, ornamental
(Encyclopedia) ironwork, ornamental. The shaping of wrought iron, used almost exclusively until the 16th cent., is primarily an art of the blacksmith, who must work with the metal while it is at the…limonite
(Encyclopedia) limonitelimonitelīmˈənīt [key] or brown hematitebrown hematitehĕmˈətīt, hēˈ– [key], yellowish to dark brown mineral, a hydrated oxide of iron, FeO(OH)·nH2O, occurring commonly in…Mesabi
(Encyclopedia) MesabiMesabiməsäbˈē [key], range of low hills, NE Minn., once famous for its extensive iron ore deposits. The ores were found in a belt c.110 mi (180 km) long and from 1 to 3 mi (1.6–4…Cort, Henry
(Encyclopedia) Cort, Henry, 1740–1800, English inventor. He revolutionized the British iron industry with his use of grooved rollers to finish iron, replacing the process of hammering, and through…blast furnace
(Encyclopedia) CE5 Blast furnace for production of iron blast furnace, structure used chiefly in smelting. The principle involved in this means of extracting metals is that of the reduction of…Trending
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