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    The Copper AgeThe Bronze AgeThe Middle Ages and LaterMiningAlso in This IssuePre dynastic Egyptians knew copper very well. In hieroglyphic writing the symbol used to denote eternal life, the ankh, was also used to represent copper. The Greek philosophers later adopted the symbol, slightly modified, as . The connection between eternal durability and the lifetime cost effectiveness of copper and its alloys is surely not coincidentalThe Egyptians obtained most of their copper from the Red Sea Hills, but copper predates ancient Egypt by several millennia, and it is now kQuoted Price
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    Copper extraction refers to the methods used to obtain copper from its ores. The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

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    Within an ore, copper concentration is commonly less than 1%. Each of the different natural forms of copper requires distinct mining and processing steps that eventually lead to 9.99% pure copper. C. Historical and Modern Copper Use. The development of copper has a rich history.

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