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Gende, Bao; Li, Quanxing (1990): Table 1. Concentration of rare earth elements in ferromanganese nodule (crust), sediment and rock of the South China Sea. PANGAEA,, Supplement to: Gende, B; Li, Q (1990): Geochemistry and their genesis of rare earth elements of ferromanganese nodules and crusts from the South China Sea. In: Jin Xiang- long, Hermann Rudolf Kudrass and Guy Pautot (eds), Marine Geology and Geophysics of the South China Sea. China Ocean Press, Hangzhou, China, 236-245, hdl:10013/epic.46006.d012

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Based on the X-ray fluorescence spectrum analysis of 15 rare earth elements in 6 ferromanganese nodu1es and 5 ferro mangane se crusts from the South China Sea, their abundances, distribution patterns, sources and relationships with associated elements are discussed in detail in this paper. The results show that: 1) The average abundance of rare earth elements in ferromanganese nodu1es and crusts is 1. 625 g/kg and 2. 167 g/kg respectively, which is 1-2 tim es , 5-6 times and 15-20 times higher than that in the Pacific, in the sediments of the North Pacific and the South China Sea, respectively; 2) The distribution patterns of rare earth elements standardized by the globular aerolite in ferro mangane se nodules and crusts are basically similar, that is, Ce is positively abnormal and Eu is in deficit slightly; 3) The relationships between rare earth elements and associated elements, sediments and rocks show that the source of rare earth elements in ferromanganese nodules and crusts have mainly come from slow deposition caused by weathering and leaching of medium acidic rock of the South China Sea.
Related to:
Gende, Bao (1990): Distribution and Source of heavy metal in ferromanganese nodules and the relationship between nodules and sedimentary environments in North Pacific. (in Chinese), Oceanologia et Limnologia Sinica, 21(4), 364-372
Piper, David Z (1974): Rare earth elements in ferromanganese nodules and other marine phases. Geochimica et Cosmochimica Acta, 38(7), 1007-1022,
Latitude: 19.500000 * Longitude: 114.300000
Minimum Elevation: -2470.0 m * Maximum Elevation: -2470.0 m
SCSea * Latitude: 19.500000 * Longitude: 114.300000 * Elevation: -2470.0 m * Location: South China Sea * Device: Dredge (DRG)
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Sample typeSamp typeGende, Bao
2NumberNoGende, Bao
3LanthanumLamg/kgGende, Bao
4CeriumCemg/kgGende, Bao
5PraseodymiumPrmg/kgGende, Bao
6NeodymiumNdmg/kgGende, Bao
7SamariumSmmg/kgGende, Bao
8EuropiumEumg/kgGende, Bao
9GadoliniumGdmg/kgGende, Bao
10TerbiumTbmg/kgGende, Bao
11DysprosiumDymg/kgGende, Bao
12HolmiumHomg/kgGende, Bao
13ErbiumErmg/kgGende, Bao
14ThuliumTmmg/kgGende, Bao
15YtterbiumYbmg/kgGende, Bao
16LutetiumLumg/kgGende, Bao
17YttriumYmg/kgGende, Bao
18Reference of dataRef dataGende, Bao
126 data points

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