Von Stackelberg, U. (1996) Growth history of manganese nodules and crusts of the Peru Basin, in Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits. Geological Society, London, Special Publications, 119 (1). 153-176 doi:10.1144/gsl.sp.1997.119.01.11
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Growth history of manganese nodules and crusts of the Peru Basin | ||
| Journal | Geological Society, London, Special Publications | ||
| Authors | Von Stackelberg, U. | Author | |
| Year | 1996 (December 3) | Volume | 119 |
| Page(s) | 153-176 | Issue | 1 |
| Publisher | Geological Society of London | ||
| URL | |||
| DOI | doi:10.1144/gsl.sp.1997.119.01.11Search in ResearchGate | ||
| Generate Citation Formats | |||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 428121 | Long-form Identifier | mindat:1:5:428121:8 |
| GUID | 0 | ||
| Full Reference | Von Stackelberg, U. (1996) Growth history of manganese nodules and crusts of the Peru Basin, in Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits. Geological Society, London, Special Publications, 119 (1). 153-176 doi:10.1144/gsl.sp.1997.119.01.11 | ||
| Plain Text | Von Stackelberg, U. (1996) Growth history of manganese nodules and crusts of the Peru Basin, in Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits. Geological Society, London, Special Publications, 119 (1). 153-176 doi:10.1144/gsl.sp.1997.119.01.11 | ||
| In | Nicholson, K., Hein, J. R., Bühn, B., Dasgupta, S. - Eds. (1997) Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits. Special Publication Vol. 119. Geological Society of London | ||
| Abstract/Notes | Abstract In the nodule field of the Peru Basin, situated south of the zone of high bioproductivity, a relatively high flux of biogenic matter explains a distinct redox boundary at about 10 cm depth separating very soft oxic surface sediments from stiffer suboxic sediments. Maximum abundance (50 kg m −2 ) of diagenetic nodules is found near the calcite compensation depth (CCD), currently at 4250 m. There, the accretion rate of nodules is much higher (100 mm Ma −1 ) than on ridges (5 mm Ma −1 ). Highest accretion rates are found at the bottom of large nodules that repeatedly sink to a level immediately above the redox boundary. There, distinct diagenetic growth conditions prevail and layers of dense laminated Mn oxide of very pure todorokite are formed. The layering of nodules is mainly the result of organisms moving nodules within the oxic surface sediment from diagenetic to hydrogenetic environments. The frequency of such movements is much higher than that of climatic changes. Two types of nodule burial occur in the Peru Basin. Large nodules are less easily moved by organisms and become buried. Consequently, buried nodules generally are larger than surface nodules. This type of burial predominates in basins. At ridges where smaller nodules prevail, burial is mainly controlled by statistical selection where some nodules are not moved up by organisms. | ||
See Also
These are possibly similar items as determined by title/reference text matching only.
