Here, in an area of five million square kilometres, manganese nodules are abundantly found on the seabed ... the flow rates of sediments up to two to three times. Thus, the fine sediment layer at the ...

These distinct-looking potato-sized formations, known scientifically as manganese nodules, contain precious metals that could literally help sustain the ever-growing demand for battery materials.

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 ...