Analysis of Mn-nodules from Breitgrund, Baltic Sea
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PANGAEA
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| Autori principali: | , |
|---|---|
| Natura: | Dataset Open Access |
| Lingua: | en |
| Pubblicazione: |
PANGAEA
1977
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| _version_ | 1867168567163617280 |
|---|---|
| author | Suess, Erwin Djafari, Djafar |
| author_facet | Suess, Erwin Djafari, Djafar |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | The usually high concentrations of Zn, Pb, Cd, and Cu in the most recently accreted portions of ferromanganese nodules from the western Baltic Sea are thought to reflect increased metal input due to anthropogenic mobilization. If so, the point of increase represents a time horizon within the structure of the nodule. Similar trace metal distributions of radiometrically dated sediments from the same area suggest that the ferromanganese nodules have grown in thickness between 0.02 and 0.16 mm yr-1. From this growth rate anthropogenic Zn flux to the nodule surface was calculated to be 80 mg m-2 yr-1. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_855247 |
| institution | PANGAEA |
| language | en |
| publishDate | 1977 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Analysis of Mn-nodules from Breitgrund, Baltic Sea Suess, Erwin Djafari, Djafar Baltic Sea; Breitgrund_D; Dredge; DRG; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS The usually high concentrations of Zn, Pb, Cd, and Cu in the most recently accreted portions of ferromanganese nodules from the western Baltic Sea are thought to reflect increased metal input due to anthropogenic mobilization. If so, the point of increase represents a time horizon within the structure of the nodule. Similar trace metal distributions of radiometrically dated sediments from the same area suggest that the ferromanganese nodules have grown in thickness between 0.02 and 0.16 mm yr-1. From this growth rate anthropogenic Zn flux to the nodule surface was calculated to be 80 mg m-2 yr-1. |
| title | Analysis of Mn-nodules from Breitgrund, Baltic Sea |
| topic | Baltic Sea; Breitgrund_D; Dredge; DRG; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS |
| url | https://doi.org/10.1594/PANGAEA.855247 |