Polymetallic nodules
Metal-rich lumps on the deep seabed, dredged by Challenger in the 1870s and now the target of seabed mining.
ConceptAlso known as manganese nodules
- Identifiers
- Wikidata Q939579
Metal-rich lumps on the deep seabed, dredged by Challenger in the 1870s and now the target of seabed mining.
ConceptAlso known as manganese nodules
