Manganese nodules were retrieved from the Pacific Ocean during the CNEXO-NIXO campaign and the GH76 and GH80 campaigns of the R/V Hakurei-Maru. Their chemical composition was determined by atomic abso
Shebandowan Lakes, Ontario, are the site of at least 49 shallow (2-12 m) ferromanganese concretion deposits, widely distributed throughout the 48 km of the watercourse. X-ray...
The metal content of selected manganese nodules from the Pacific and Southern oceans was determined as follows: boiling of a suspension of 100 mg sample in 25 ml of 4 M hydrochloride acid; filtering t
During study of distribution of 57 chemical elements in flattened, pellet-shaped, and pipe-like iron-manganese concretions of the Kara Sea it has been found that F2O3 and MnO2...