underwater mineral resources [ marine granulate | mining of the sea-bed | phosphorite | polymetallic nodule | Marine mining(STW) | marine sediments(UNBIS) ]
Meeresbodenschätze [ Manganknolle | Meeresgranulat | Phosphorit | unterseeische Ressourcen | unterseeisches Sulfid | unterseeische Zinnlagerstätte ]