That mine was a cassiterite producer but

См. также в других словарях:

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Gold mining in Alaska — Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory from Russia. Russian explorers discovered placer gold in… …   Wikipedia

• Mining in Bolivia — Mining in Potosí Mining in Bolivia has been a dominant feature of the Bolivian economy as well as Bolivian politics since 1557. Colonial era silver mining in Bolivia, particularly in Potosí, played a critical role in the Spanish Empire and the… …   Wikipedia

• congo — /kong goh/, n. congou. * * * Congo Congo:Geography Location: Western Africa, bordering the South Atlantic Ocean, between Angola and Gabon Map references: Africa Area: total area: 342,000 sq km land area: 341,500 sq km comparative area: slightly… …   Universalium

• Congo — /kong goh/, n. 1. People s Republic of the, a republic in central Africa, W of the Democratic Republic of the Congo: formerly an overseas territory in French Equatorial Africa; now an independent member of the French Community. 2,583,198; 132,046 …   Universalium

• Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… …   Wikipedia

• Niger — Nigerien /nuy jear ee en /, adj., n. /nuy jeuhr/; Fr. /nee zherdd /, n. 1. a republic in NW Africa: formerly part of French West Africa. 9,388,359; 458,976 sq. mi. (1,188,748 sq. km). Cap.: Niamey. 2. a river in W Africa, rising in S Guinea,… …   Universalium

• Tin — is a chemical element with the symbol Sn ( la. stannum) and atomic number 50. This silvery, malleable poor metal that is not easily oxidized in air and resists corrosion, is found in many alloys and is used to coat other metals to prevent… …   Wikipedia

• Cameroon — Cameroonian, adj., n. /kam euh roohn /, n. 1. Also, Cameroun. Official name, United Republic of Cameroon. an independent republic in W Africa: formed 1960 by the French trusteeship of Cameroun; Southern Cameroons incorporated as a self governing… …   Universalium

• Democratic Republic of the Congo — Not to be confused with the neighbouring Republic of the Congo. Coordinates: 2°52′48″S 23°39′22″E / 2.88°S 23.656°E / 2 …   Wikipedia

• Tourmaline — Schorl Tourmaline General Category Cyclosilicate Chemical formula (Ca,K,Na,[ …   Wikipedia