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metres with % copper, g/t gold and g/t silver ( % cu_eq, g/t au_eq) from surface view pdf october , chakana copper releases final results of infill drilling at breccia pipe and provides exploration update, intersects metres with % copper, g/t gold and g/t silver ( % cu_eq, g/t au_eq) from surface in...
in its natural form. it is also one of the few metals that have a colour other than grey and silver. extraction of copper is mostly done as copper sulphides from open pit mines and porphyry copper deposits. copper is a good conductor of electricity and is used in many applications like power generation...
trading business in london, according to xu. the lme, established in in london, is the world's largest market for trading in non-ferrous metals, with an equivalent of billion tons of materials traded at the exchange last year. lme contracts are seen as the global benchmarks for the price of aluminum, copper...