Chlorine 19,000.0 89.5 × 10⁶ 29.3 × 10¹⁵ Sodium 10,500.0 49.5 x-10⁶ 16.3 × 10¹⁵ Magnesium 1,350.0 6.4 × 10⁶ 2.1 × 10¹⁵ Sulphur 885.0 4.2 × 10⁶ 1.4 × 10¹⁵ Calcium 400.0 1.9 × 10⁶ 0.6 × 10¹⁵ Potassium 380.0 1.8 × 10⁶ 0.6 × 10¹⁵ Bromine 65.0 306,000 0.1 × 10¹⁵ Carbon 28.0 132,000 0.04 × 10¹⁵ Strontium 8.0 38,000 12,000 × 10⁹ Boron 4.6 23,000 7,100 × 10⁹ Silicon 3.0 14,000 4,700 × 10⁹ Lithium 0.17 800 260 × 10⁹ Rubidium 0.12 570 190 × 10⁹ Phosphorus 0.07 330 110 × 10⁹ Iodine 0.06 280 93 × 10⁹ Barium 0.03 140 47 × 10⁹ Indium 0.02 94 31 × 10⁹ Zinc 0.01 47 16 × 10⁹ Iron 0.01 47 16 × 10⁹ Aluminum 0.01 47 16 × 10⁹ Molybdenum 0.01 47 16 × 10⁹ Selenium 0.004 19 6 × 10⁹ Tin 0.003 14 5 × 10⁹ Copper 0.003 14 5 × 10⁹ Arsenic 0.003 14 5 × 10⁹ Uranium 0.003 14 5 × 10⁹ Nickel 0.002 9 3 × 10⁹ Vanadium 0.002 9 3 × 10⁹ Manganese 0.002 9 3 × 10⁹ Antimony 0.0005 2 0.8 × 10⁹ Cobalt 0.0005 2 0.8 × 10⁹ Caesium 0.0005 2 0.8 × 10⁹ Cerium 0.0004 2 0.6 × 10⁹ Silver 0.0003 1 5 × 10⁸ Cadmium 0.0001 0.5 150 × 10⁶ Tungsten 0.0001 0.5 150 × 10⁶ Chromium 0.00005 0.2 78 × 10⁶ Thorium 0.00005 0.2 78 × 10⁶ Lead 0.00003 0.1 46 × 10⁶ Mercury 0.00003 0.1 46 × 10⁶ Gold 0.000004 0.02 6 × 10⁶