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Lubumbashi

(Encyclopedia)Lubumbashi lo͞obo͞ombäˈshē [key], city (1984 pop. 564,830), capital of Haut-Katanga province, SE Congo (Kinshasa), near the border with Zambia. The second largest city of the country, it is a com...

bronze, in metallurgy

(Encyclopedia)bronze, in metallurgy, alloy of copper, tin, zinc, phosphorus, and sometimes small amounts of other elements. Bronzes are harder than brasses. Most are produced by melting the copper and adding the de...

Sudbury, city, Canada

(Encyclopedia)Sudbury, city (1991 pop. 92,884), central Ont., Canada. It is the center of Canada's largest mining region, which produces much of the world's nickel and large quantities of copper, platinum, gold, si...

metal

(Encyclopedia)metal, chemical element displaying certain properties by which it is normally distinguished from a nonmetal, notably its metallic luster, the capacity to lose electrons and form a positive ion, and th...

Niihama

(Encyclopedia)Niihama nēˈhämä [key], city (1990 pop. 129,149), Ehime prefecture, N Shikoku, Japan. It is a commercial port and a manufacturing and mining center, producing copper and chemical products. ...

Man, town, Côte d'Ivoire

(Encyclopedia)Man, town (1996 est. pop. 112,600), W central Côte d'Ivoire, at the foot of the Toura Mts. It is an administrative and commercial center for a region producing coffee, cacao, kola nuts, rice, and cas...

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 the ores by the ac...

Flinders Ranges

(Encyclopedia)Flinders Ranges, mountain chain, extending 260 mi (418 km) between Lake Torrens and Lake Frome, South Australia state, Australia; rises to 3,900 ft (1,189 m) at St. Mary's Peak. Uranium and copper are...

Tsumeb

(Encyclopedia)Tsumeb tso͞oˈmĕb [key], town (1991 pop. 16,211), N Namibia. It is the commercial and distribution center for a region where copper, lead, and zinc are mined. ...

Takaoka

(Encyclopedia)Takaoka täkäˈôkä [key], city (1990 pop. 175,466), Toyama prefecture, W central Honshu, Japan, on the Sho River. A center for the Japanese aluminum industry, Takaoka also produces paper, copper, a...