The polymetallic nodules were found four kilometres beneath the ocean surface, and contain manganese, nickel and cobalt, essential for electric vehicle batteries and green technologies.

Now, plans are afoot to begin trial collection of the manganese nodules, or mineral concretions, from the Pacific Ocean site as early as 2025 with a view toward commercialization. Manganese ...

Polymetallic nodules containing certain critical minerals can be found scattered across the seabed in some parts of the ocean. Here, manganese nodules found off the Southeastern U.S. in 2019.

Since 2015, the JPIOceans project "MiningImpact" has been investigating the ecological consequences of deep-sea mining and how the impacts can be mitigated, studying both, manganese nodule areas and ...