Elements

EFseawater

EFcrust

K+

3.59 ± 1.13

0.86 ± 0.87

Ca2+

139.7 ± 83.5

1

Mg2+

21.9 ± 11.9

0.66 ± 0.33

Cl

0.48 ± 0.18

76.6 ± 45.9

NO 3

44,000 ± 31,777.9

167.9 ± 127.3

SO 4 2

13.7 ± 3.79

51.2 ± 52.5