The Geochemistry of the Earth - Thanatia: The Destiny of the Earth's Mineral Resources - page 113

Table 5.6: Predicted mean oceanic concentrations. Adapted from Quinby-Hunt
and Turekian (1983)
Element Species Concentration

Hydrogen H 2

Helium 1.9 nmol=kg

Lithium 178 g=kg

Beryllium 0.2 ng=kg

Boron Inorganic Boron 4.4 mg=kg

Carbon CO 2 2200 g=kg

Nitrogen N 2 590 g=kg

NO 3 30 g=kg

Oxygen Dissolved O 2 150 g=kg

Fluorine 1.3 mg=kg

Neon 8 nmol=kg

Sodium 10.781 g=kg

Magnesium 1.28 g=kg

Aluminum 1 g=kg

Silicon Silicate 110 mole=kg

Phosphorous Reactive Phosphate 2 mole=kg

Sulphur Sulphate 2.712 g=kg

Chlorine Chloride 19.353 g=kg

Argon 15.6 mole=kg

Potassium 399 mg=kg

Calcium 415 mg=kg

412 mg=kg

Scandium < 1 ng=kg

Titanium < 1 ng=kg

Vanadium < 1 g=kg

Chromium Cr (tot) 330 ng=kg

330 ng=kg

250 ng=kg

Manganese Dissolved Mn 10 ng=kg

Iron 40 ng=kg

Cobalt 2 ng=kg

Nickel 480 ng=kg

Copper 120 ng=kg

Zinc 390 ng=kg

Gallium 10 <> 20 ng=kg

Germanium < 5 ng=kg

Arsenic As (V) 2 g=kg

Dimethylarsenate

Selenium Se (tot) 170 ng=kg

Se (IV) <

Se (VI)

Bromine Bromide 67 mg=kg

Krypton 3.7 nmol=kg

Rubidium 124 mug=kg

Strontium 7.8 mg=kg

7.7 mg=kg

Yttrium 13 ng=kg

Zirconium ' 1 g=kg

Niobium < 1 ng=kg

Molybdenum 11 g=kg

Continued on next page :::