Composition of Pacific Ocean ferromanganese nodules
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Abstract
Bulk composition of ferromanganese nodules from the pelagic environment of the Pacific Ocean is apparently related to nodule-growth rate, sediment-accumulation rate, and biologic productivity in the overlying seawater. Nodules with a high MnFe ratio and high Ni and Cu concentrations tend to occur in areas where primary productivity in the surface layer of the ocean is high and the sediment-accumulation rate low. Nodules with a low MnFe ratio and low Ni and Cu concentrations occur in areas either where sediment-accumulation rate is high or biologic productivity is low. They may have a MnFe ratio as low as one and accrete at rates as low as 1mm106yrs. Nodules with a larger MnFe ratio apparently have growth rates that are greater by as much as a factor of 10.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Composition of Pacific Ocean ferromanganese nodules |
| Series title | Marine Geology |
| DOI | 10.1016/0025-3227(77)90036-6 |
| Volume | 23 |
| Issue | 4 |
| Year Published | 1977 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Geology, Minerals, Energy, and Geophysics Science Center |
| Description | 46 |
| First page | 285 |
| Last page | 303 |
| Other Geospatial | Pacific Ocean |
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