|
Au
Au symbol for the element gold .
...
Read more
|
|
|
Leochares
Leochares , fl. 4th cent. BC, Greek sculptor, probably an Athenian. Leochares was associated in the decoration of the Mausoleum at Halicarnassus. He is known to have made portraits, including a gold and ivory group of Philip, Alexander, and others, for Olympia. His Lion Hunt of Alexander was made ...
Read more
|
|
|
East Coolgardie Goldfield
East Coolgardie Goldfield , Western Australia, SW Australia. It is the richest gold field in Australia. The chief mining center is the town of Kalgoorlie. Coolgardie, of little importance today, was the first gold-rush town in the area. Gold was discovered there in 1892.
...
Read more
|
|
|
Arthur Golding
Arthur Golding c.1536-c.1605, English translator. He translated many Latin classics, including Caesar's Gallic War and Ovid's Metamorphoses. A Calvinist, Golding tried to infuse the Metamorphoses with a stern moral tone. He also translated noted French works.
...
Read more
|
|
gold
gold metallic chemical element; symbol Au [Lat. aurum =shining dawn]; at. no. 79; at. wt. 196.9665; m.p. 1,064.43°C; b.p. 2,808°C; sp. gr. 19.32 at 20°C; valence +1 or +3.
Gold is very ductile and is the most malleable metal; it can be beaten into extremely thin sheets of gold lea...
Read more
|
|
|
John Augustus Sutter
John Augustus Sutter 1803-80, American pioneer, b. Kandern, Baden, of Swiss parents. His original name was Johann August Suter. He emigrated to the United States in 1834, went to St. Louis, then to Santa Fe. Fired with a desire to go to the Pacific coast, he went to the Oregon country and entered t...
Read more
|
|
|
Carl Lewis
Carl Lewis (Frederick Carlton Lewis), 1961-, American sprinter and jumper, b. Birmingham, Ala. A star in high school and at the Univ. of Houston, he became possibly the greatest track athlete of all time. After winning three gold medals at the World Championships in Helsinki in 1983, he went on at ...
Read more
|
|
|
amalgam
amalgam , alloy containing mercury . The alloy may be liquid or solid, depending on the proportion of mercury, although all naturally occurring amalgams, i.e., those of gold and silver, are solid. Amalgams are widely used. Silver, gold, and copper amalgams are used in dentistry, and tin amalgam i...
Read more
|
|
|
amalgamation process
amalgamation process , in particular, a method to extract gold and silver from ores. The ore is crushed and treated with mercury , in which the metal dissolves. The amalgam is heated and the mercury evaporates, leaving pure gold or silver. The process has been criticized as an environmental and occ...
Read more
|
|
|
British West Africa
British West Africa former inclusive term for the British colonies of Cameroons, Gambia, Gold Coast, Nigeria, Sierra Leone, and Togoland.
...
Read more
|
