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hematite

(Encyclopedia)hematite hĕmˈətīt [key], mineral, an oxide of iron, Fe2O3, containing about 70% metal, occurring in nature in red to reddish-brown earthy masses and in steel-gray to black crystalline forms. Hemat...

Huangshi

(Encyclopedia)Huangshi or Hwangshih both: hwäng-shŭr [key], city (1994 est. pop. 538,400), E Hubei prov., China, on the Chang (Yangtze) River. It is a new industrial center, built after 1950, with a giant iron an...

Serov

(Encyclopedia)Serov syĕˈrəf [key], city (1989 pop. 104,000), E European Russia, in the eastern foothills of the Urals, on the Kakvy River. A metallurgical center, Serov produces cast iron and quality steel and h...

Siegen

(Encyclopedia)Siegen, city (1994 pop. 111,845), North Rhine–Westphalia, W Germany, on the Sieg River. Iron ore is mined nearby, and the city has iron foundries. Other manufactures include leather goods and machin...

Yenakiyeve

(Encyclopedia)Yenakiyeve yĕnəkēˈyəvə [key], Rus. Yenakiyevo, city (1989 pop. 120,000), SE Ukraine, on the Krynka River. It is a center for coal, iron, and steel industries, and for coke-based chemical product...

Eisenerz

(Encyclopedia)Eisenerz īˈzənĕrts [key], town, in Styria prov., central Austria, at the northern foot of the ...

Sorocaba

(Encyclopedia)Sorocaba so͝oro͝okäˈbə [key], city (1996 pop. 431,370), São Paulo state, S Brazil, on the Sorocaba River. It is a transportation hub and a manufacturing center where textiles, cement, vegetable ...

steel

(Encyclopedia)steel, alloy of iron, carbon, and small proportions of other elements. Iron contains impurities in the form of silicon, phosphorus, sulfur, and manganese; steelmaking involves the removal of these imp...

Transylvanian Alps

(Encyclopedia)Transylvanian Alps, Romanian Carpaţii Meridionali, southern branch of the Carpathian Mts., extending c.225 mi (360 km) E across central Romania from the Danube River at the Iron Gate. Moldoveanu (8,3...

Tonghua

(Encyclopedia)Tonghua or Tunghwa both: to͝ongˈhwäˈ [key], city (1994 est. pop. 349,500), SW Jilin prov., China, in a mountainous region, and on a railroad to Korea. Abundant coal and iron reserves are in the ar...