2021年1月2日 · Pelagic sediments are defined as those formed of settled material that has fallen through the water column; their distribution is controlled by three main factors, distance from …

2022年4月20日 · The REE-enriched pelagic sediment was suggested to be a significant reservoir for the global REE budget (Chen et al., 2015; Plank and Langmuir, 1998). Since the first report …

2023年10月1日 · In this study, a refined chronostratigraphic framework for a sediment core (core C) collected from the northwestern Pacific Ocean pelagic environment, was established by …

2024年12月1日 · Other sediment types considered in the model are typical pelagic sediments, namely clay, calcareous ooze, and siliceous ooze. However, a certain kind of pelagic clay, …

The contribution of chemical species from the different geospheres is considered. The quantitative importance of pelagic clays in the major sedimentary cycle is studied on the basis of the …

2002年7月1日 · Pelagic sediments are the result of various processes including detrital supply from continental areas, pyroclastic deposition, hydrothermal activity, authigenic precipitation, …

2024年7月1日 · As mentioned above, the Sc contents in ferromanganese micronodules of pelagic sediments are ∼2–20 ppm, which is lower than that of pelagic clay. The Sc concentration is …

2007年2月28日 · The 70 m thick sediment section consists of three units: a 26 m of pelagic red clay unit with prominent zeolites intervals (mostly between ∼ 6 to 10 mbsf, and less abundant …

2021年11月1日 · The bulk sediment XRD analyses and microscopic observations show that bioapatite fossil is the main Ca-bearing mineral in the pelagic clay sediments where carbonate …

1990年4月1日 · The chemical compositions of 140 deep-sea sediment samples collected in the Pacific were examined. The characteristic features of the abundances of REEs in the sediment …