The Atacama Desert in the north of the country contains major reserves of copper, gold, silver and industrial metals, it is the heart of Chile's mining industry. Chile's copper mines provide over 30% of the world's mine production of recoverable copper, according to to statisctics of the U.S. Department of the Interior.
The largest man-made hole in Africa is located 360 kilometres north-east of South African capital, Pretoria. The Palabora copper mine was excavated open-cast for 38 years: the end-result is easily visible from space: the pit now approaches 2000 metres in diameter and 762 metres deep (more than 230 metres beneath sea level).
In 2002 owner Rio Tinto declared the pit's depth meant surface e...
Old Newgate Prison was a Colonial American prison in what is now East Granby, Connecticut. It is now a historic site.
The prison was originally a copper mine, opened in 1705, and is believed to be the first copper mine in America. After mining operations proved unprofitable, the colony of Connecticut converted it to a prison, like its London namesake Newgate Prison. The first pri...
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