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Val d'Or

(Encyclopedia)Val d'Or väl dôr [key], town (1991 pop. 23,842), SW Que., Canada, SE of Rouyn-Noranda. It is a mining center. Gold was discovered in the region in 1909; copper, zinc, lead, and molybdenum are also m...

Ordu

(Encyclopedia)Ordu ôrdo͞oˈ [key], city (1990 pop. 101,306), capital of Ordu prov., N Turkey, a port on the Black Sea. Copper, zinc, and iron are exported. It is the site of Cotyora, founded by Greek colonists, c...

Flin Flon

(Encyclopedia)Flin Flon flĭn flŏn [key], city, in Saskatchewan, 330), on the Man.-Sask. border, Canada. It ...

Kabwe

(Encyclopedia)Kabwe käbˈwā [key], formerly Broken Hill, city (1990 pop. 166,519), central Zambia. During the 20th cent. it was an important lead and zinc mining and smelting center. As a result, the area suffers...

Kimberley, town, Canada

(Encyclopedia)Kimberley kĭmˈbərlē [key], town (1991 pop. 6,531), SE British Columbia, Canada. Canada's highest city (3,660 ft/1,115 m), it is the site of the Sullivan mine, where large quantities of silver, lea...

Bathurst, city, Canada

(Encyclopedia)Bathurst băthˈərst [key], city, N N.B., Canada, on Chaleur Bay at the mouth of the Nepisiguit ...

Kolwezi

(Encyclopedia)Kolwezi kōlwĕzˈē [key], city (1984 pop. 416,122), Haut-Katanga prov., SE Congo (Kinshasa). It is a center for copper and cobalt mining. There are copper-ore concentration plants, a zinc refinery, ...

Verkhoyansk Range

(Encyclopedia)Verkhoyansk Range, mountain chain, c.600 mi (970 km) long, E Siberian Russia, in the Sakha Republic. It forms a vast arc along the Lena and Aldan rivers and rises to c.8,150 ft (2,480 m) in the south....

complex ion

(Encyclopedia)complex ion, charged molecular aggregate (see ion), consisting of a metallic atom or ion to which is attached one or more electron-donating molecules. In some complex ions, such as sulfate, SO4−2, t...

Moresnet

(Encyclopedia)Moresnet môrānāˈ [key], district, 1.5 sq mi (3.9 sq km), Liège prov., E Belgium, near the German border. It was formerly a lead- and zinc-mining center. Under joint Prussian and Dutch (after 1830...