Publication Date:
2023-08-28
Description:
The chemical composition of sediments at various levels inside core 710KH also show a clear distinction between the overlying calcareous, siliceous-bearing to siliceous-rich muds and the underlaying dark brown clay. In particular, the dark brown clay is characterized by significantly higher contents of Mn, Fe, Co, Ni, Cu, Zn, Mg and P and lower contents of Ca and Ba than the overlying sediments. This distribution of elements probably reflects the presence of abundant micronodules, a lower content of barite and an almost complete absence of carbonate tests in the dark brown clays. The P content of the dark brown clays is higher than that of other typical deep-sea sediments from the equatorial N. Pacific or the SW Pacific. The organic-carbon content of the sediments is generally low and decreases from 0.3 to 0.1% with depth in the core.
Keywords:
Aluminium oxide; Barium; BC; Box corer; Calcium; Carbon, organic, total; Cobalt; Copper; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; Geochemistry; Identification; Iron; Latitude of event; Longitude of event; Magnesium; Manganese; manganese nodule; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; ocean; Peru Basin, Pacific Ocean; Phosphorus; Potassium; Sediment type; Silicon dioxide; SO11; SO11_710KH; Sonne; SOPAC II; Titanium; Wet chemistry; Zinc
Type:
Dataset
Format:
text/tab-separated-values, 180 data points
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