Polymetallic nodules are scattered all over under the sea - https://en.wikipedia.org/wiki/Manganese_nodule https://en.wikipedia.org/wiki/Manganese_nodule But t

Polymetallic nodules are scattered all over under the sea - https://en.wikipedia.org/wiki/Manganese_nodule https://en.wikipedia.org/wiki/Manganese_nodule But the composition is slightly different from what he has found. Time will tell. He is probably trying to get more funding cuz fishing this stuff out is not cheap.