By K. Warner
For Metal Tech News 

Nextgen miners might include microbes

"Biomining" to process ore and mine tailings without chemicals Metal Tech News - November 8, 2023


Last updated 11/15/2023 at 6:51pm

Mine tailings from Newmont Corp.'s Musselwhite Mine in Canada.

Newmont Corp.

Microbes may provide the best alternative to reverse and potentially avoid the damage from chemicals in recovering metals from ore or tailings leftover as waste from mining.

Each year in Canada, roughly 200 active mines contribute to billions of tons of mining waste. The estimated number of tailing storage facilities surveyed worldwide is over 12,000.

While considered industrial waste, these facilities also contain a number of useful minerals at a concentration deemed too low to be worth extracting-until now.

Enter biomining, which covers several biological separ...

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