Bagdad Copper Mine
Bagdad is an open-pit copper mine and
concentrator, with molybdenum
by-products. It is home to the world’s
first commercial-scale concentrate leach
processing facility (2003) and one of
the longest continuously operating SX/EW
plant in the world (1970).
Source: Wikipedia, Bagdad, Arizona.
Open-pit mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.
Wikipedia, Open pit mining.