Geochemistry of manganese nodules from a British Columbia fjord

Concretions of iron and manganese oxides and hydrous oxidesóobjects commonly called manganese nodulesóare widely distributed not only on the deep-sea floor but also in shallow...铁、锰氧化物及其水合氧化物结核（concretions of iron and manganese oxides and hydrous oxides）——此类物体通常被称为锰结核（manganese nodules）——不仅广泛分布于深海海底，亦可见于浅海……