'Researchers from The University of Western Australia, Australia's national science agency CSIRO, the Technical University of Denmark and the University of Exeter have developed a new mining technique that uses electric fields to extract metals from hard rock ore.'
(CSIRO Canberra) >

https://www.csiro.au/en/news/News-releases/2021/No-more-digging-a-new-environmentally-friendly-way-of-mining