metal deposit
71Sedimentary exhalative deposits — (abbreviated as SEDEX from SEDimentary EXhalative) are ore deposits which are interpreted to have been formed by release of ore bearing hydrothermal fluids into a water reservoir (usually the ocean), resulting in the precipitation of stratiform… …
72Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
73bank — bank1 /bangk/, n. 1. a long pile or heap; mass: a bank of earth; a bank of clouds. 2. a slope or acclivity. 3. Physical Geog. the slope immediately bordering a stream course along which the water normally runs. 4. a broad elevation of the sea… …
74photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
75Sutton Hoo — restored). Although based on helmets of the spangenhelm type, the immediate comparisons are with contemporary Vendel Age helmets from eastern Sweden.] Sutton Hoo near Woodbridge, Suffolk, England, is the site of two Anglo Saxon cemeteries of the… …
76Coin — This article is about monetary coins. For other uses, see Coin (disambiguation). A selection of modern coins …
77Plating — describes surface covering where a metal is deposited on a conductive surface. Plating has been done for hundreds of years, but it is also critical for modern technology. Plating is used to decorate objects, for corrosion inhibition, to improve… …
78Mineral industry of Kazakhstan — Kazakhstan ranks second only to Russia among the countries of the CIS in its quantity of mineral production. It is endowed with large reserves of a wide range of metallic ores, industrial minerals, and fuels, and its metallurgical sector is a… …
79wine — wineless, adj. winish, adj. /wuyn/, n., adj., v., wined, wining. n. 1. the fermented juice of grapes, made in many varieties, such as red, white, sweet, dry, still, and sparkling, for use as a beverage, in cooking, in religious rites, etc., and… …
80electroplating — Process of coating with metal by means of an electric current. Plating metal may be transferred to conductive surfaces (e.g., metals) or to nonconductive surfaces (e.g., plastics, wood, leather) if a conductive coating has been applied. Usually… …
