Element

Pelite silt in deep water areas of Lake Baikal ¹⁾

The Selenga River shoal (fine silt + alevrit)²⁾

The BPPM discharge area

(fine silt)³⁾

Oceanic clays [25] [26]

Annual flux to Baikal sediments P_S, ton/year

MAJOR ELEMEHTS (%)

Na

1.2 - 1.4

-

1.1 - 1.4

1.35 - 4

24 × 10³

Al

4.7 - 6.1

-

-

5.4 - 9.2

110 × 10³

Mn

0.13 - 0.50

0.03 - 0.09

0.04 - 0.08

0.30 - 0.67

6.6 × 10³

Fe

5.0 - 6.6

1.9 -3.7

4.0 - 4.8

3.8 - 6.5

110 × 10³

TRACE ELEMENTS (ppm)

V

160 -180

40 - 150

150 - 330

100 - 140

330

Cr

60 - 130

40 - 90

120 - 150

62 - 90

160

Cu

-

12 - 30

20 - 40

130 - 250

90

Zn

80 - 140

220 - 340

60 - 100

130 - 165

200

As

14 - 53

-

-

10 - 13

60

Mo

(<1) - 5

-

-

10 - 27

5.4

Cd

0.2 - 0.4

(<0.1) - 0.27

(<0.05) - 0.11

0.42 - 0.56

0.65

Hg

0.07

(<0.02) - 0.18

0.007 - 0.014

0.04 - 0.n

0.14

Pb

14 - 25

12 - 21

9 - 12

40 - 80

38