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Scientists show how trapped brine 2km below volcanoes could be sustainably extracted to provide the metals we need for a net-zero future.   How Green Mining Paves The Way To A Sustainable And Net Zero Future. Scientists at the Earth Sciences department of the University of Oxford demonstrate how to directly extract valuable metals from hot salty fluids (brines) trapped in porous rocks at roughly 2km below dormant volcanoes. They propose that this green-mining approach will sustainably provide essential metals for a net-zero future. Magma underneath volcanoes releases metal-rich gasses that ascend toward the surface. These gases separate into brine...

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