Copper is obtained from these ores and minerals by smelting, leaching and electrolysis. The major copperproducing countries are Chile, ... Crustal abundance (ppm)
Many copper ores also contain significant quantities of gold, silver, ... The abundance of copper in the Earth's crust is estimated to be about 70 parts per million.
abundance of copper in earths crust [ 5144 Ratings ] The Gulin ... abundance of copper ores . copper doesn't exist in abundance on the Earth's .