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• TIN — /tin/, n. taxpayer identification number. * * * Metallic chemical element, chemical symbol Sn, atomic number 50. It is a soft, silvery white metal with a bluish tinge, employed since antiquity in the traditional form of bronze, its alloy with… …   Universalium

• tin — tinlike, adj. /tin/, n., adj., v., tinned, tinning. n. 1. Chem. a low melting, malleable, ductile metallic element nearly approaching silver in color and luster: used in plating and in making alloys, tinfoil, and soft solders. Symbol: Sn; at. wt …   Universalium

• tin processing — Introduction       preparation of the ore for use in various products.       Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… …   Universalium

• Dartmoor tin-mining — The wheelpit at Huntingdon mine The Dartmoor tin mining industry is thought to have originated in pre Roman times,[1] and continued right through to the 20th century. From the 12th century onwards tin mining was regulated by a Stannary Parliament …   Wikipedia

• Geevor Tin Mine — is a tin mining museum/heritage centre in the far south west of Cornwall, left as a living history of a working tin mine. It is between the villages of Pendeen and Trewellard. It has on its site a shop with tin related souvenirs and books. A cafe …   Wikipedia

• 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

• Ore genesis — The various theories of ore genesis explain how the various types of mineral deposits form within the Earth s crust. Ore genesis theories are very dependent on the mineral or commodity. Ore genesis theories generally involve three components:… …   Wikipedia

• Asia — /ay zheuh, ay sheuh/, n. a continent bounded by Europe and the Arctic, Pacific, and Indian oceans. 2,896,700,000; ab. 16,000,000 sq. mi. (41,440,000 sq. km). * * * I Largest continent on Earth. It is bounded by the Arctic Ocean, the Pacific Ocean …   Universalium

• King Edward Mine — The King Edward Mine is a mine wholly owned by the Camborne School of Mines of the University of Exeter.At the end of the 19th century students at the Camborne School of Mines spent much of their time doing practical mining and tin dressing work… …   Wikipedia

• Mining in Cornwall — first began in the early Bronze Age approximately 2,150 BC and ended with the South Crofty tin mine closing in 1998.HistoryMining in Cornwall has existed from the early Bronze Age around 2,150 B.C. Cornwall is thought to have been visited by… …   Wikipedia

• Mining archaeology in British Isles — Mining Archaeology is a specific field well developed in the British Isles during recent decades. A reason of ongoing interest in this field is the particular bond between regional history and the exploitation of metals. References to mines in… …   Wikipedia