The Geochemistry of the Earth - Thanatia: The Destiny of the Earth's Mineral Resources - page 114

Table 5.6: Predicted mean oceanic concentrations. Adapted from Quinby-Hunt
and Turekian (1983). - continued from previous page.

Element Species Concentration

Ruthenium 0.5 ng=kg

Rhodium
Palladium
Silver 3 ng=kg

Cadmium 70 ng=kg

Indium 0.5 ng=kg

Tin 0.5 ng=kg

Antimony 0.2 g=kg

Tellurium
Iodine 59 g=kg

60 g=kg

Xenon 0.5 nmol=kg

Cesium 0.3 ng=kg

Barium 11.7 g=kg

Lanthanum 4 ng=kg

Cerium 4 ng=kg

Praeseodymium 0.6 ng=kg

Neodymium 4 ng=kg

Promethium
Samarium 0.6 ng=kg

Europium 0.1 ng=kg

Gadolinium 0.8 ng=kg

Terbium 0.1 ng=kg

Dysprosium 1 ng=kg

Holmium 0.2 ng=kg

Erbium 0.9 ng=kg

Thulium 0.2 ng=kg

Ytterbium 0.9 ng=kg

Lutetium 0.2 ng=kg

Hafnium 8 ng=kg

Tantalum 2.5 ng=kg

Tungsten 1 ng=kg

Rhenium 4 ng=kg

Osmium
Iridium
Platinum
Gold 11 ng=kg

Mercury 6 ng=kg

Thallium 12 ng=kg

Lead 1 ng=kg

Bismuth 10 ng=kg

Polonium
Radon
Radium
Actinium
Thorium

0.7 ng=kg

Proactinium
Uranium 3.2 g=kg

End of the table