Rocks

Concentration, in ppb

References

Pt

Pd

Rh

Ru

Ir

Os

Primary mantle

Bulk crust

Upper mantle peridotite

Basaltic andesite

Tholeiitic basalt

Komatiitic lavas

MORB

Alkali basalt

Peridotite xenoliths, S. Africa*

Xenoliths, Karelian Craton*

7.1

1.5

6.5

18

14

5

0.89

0.23

4.3

4.84

3.9

1.5

5.7

11

11

18

2.05

0.37

1.84

2.28

0.9

1.1

0.6

<0.5

-

-

-

-

0.93

0.79

5

0.6

5.8

2

1.5

7

0.11

0.11

6.54

6.58

3.2

0.037

3.5

0.32

0.18

0.7

0.03

0.04

3.67

3.75

3.4

0.041

3.5

0.5

<0.5

4

-

-

-

-

[31]

[32]

[33]

[34]

[34]

[35]

[36]

[36]

[37]

[37]