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By Shane Lasley
Metal Tech News 

Scientists develop key-hole copper mining

Uses electricity to extract copper and other metals from ore Metal Tech News – May 7, 2021

 

Last updated 7/1/2022 at 10:55am

Northern Dynasty Minerals copper gold mining Exeter University

Pebble Limited Partnership

The enormous Pebble copper-gold-silver-molybdenum-rhenium project in Alaska hosts two deposits – the near-surface west deposit being considered for surface mining and the higher-grade but deeper east deposit that would be ideal for the electrokinetic in situ leaching technique recently verified by a team of international researchers.

A team of international researchers have developed a new mining technique that will advance humans beyond the Bronze Age when it comes to extracting copper, gold, silver, and other conductive metals out of buried bodies of ore.

Since humans began using metals on an industrial scale some 5,500 years ago, we have depended on physically digging up the metal-bearing rocks from underground tunnels o...



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