Western Senegal

Cape Verde Islands

Traces elements

Tertiary lavas

Quaternary lavas

Quaternary

Tertiary

N-MORB

E-MORB

OIB

Fogo

Sal

Sao Nicolau

Sao Vicente

Santiago

Rb

9.5 - 46.4

11.1 - 62.6

43 - 63

25 - 33

14 - 30

7.000 - 27

24 - 59

0.56

5.04

31.0

Ba

194.5 - 981

251 - 662

634 - 849

352 - 929

324 - 534

204 - 591

561 - 986

6.30

57

350

Th

2.51 - 11.65

2.58 - 5.11

4 - 5.7

3.3 - 12.2

2.9 - 7.8

2.3 - 6

4.6 - 15.4

0.120

0.60

4.00

U

0.61 - 5.36

0.62 - 1.17

0.88 - 1.25

0.75 - 2.95

0.67 - 1.54

0.5 - 1.08

0.92 - 4.71

0.047

0.18

1.02

Nb

32.7 - 120

30.9 - 72.9

67 - 90

47 - 89

48 - 74

28 - 73

62 - 112

2.33

8.30

48.0

Ta

2 - 11.1

1.5 - 4.8

5.24 - 7.20

3.40 - 6.15

3.31 - 5.15

2.01 - 5.12

4.39 - 12.10

0.132

0.47

2.70

La

19.8 - 91.9

22.5 - 41.3

45 - 59

36 - 92

28 - 58

22 - 54

45 - 132

2.50

6.30

37.0

Ce

47.8 - 171

39.9 - 73.5

98 - 131

77 - 181

64 - 114

48 - 112

89 - 252

7.50

15.0

80.0

Pr

4.75 - 19.1

4.56 - 8.62

11.6 - 15.7

9.7 - 21.2

7.8 - 13.2

5.7 - 12.6

11.1 - 29.3

1.32

2.05

9.70

Nd

20.1 - 69.5

18 - 34.5

47 - 64

39 - 80

31 - 54

24 - 54

44 - 115

7.30

9.00

38.5

Sr

497 - 3340

443 - 860

893 - 1104

643 - 1515

544 - 876

348 - 1026

824 - 2064

90

155

660

Sm

4.64 - 11.4

3.99 - 7.39

9.1 - 11.4

8 - 14.8

6.6 - 96

5.000 - 10

8.7 - 19.4

2.63

2.60

10.0

Zr

106 - 293

84 - 192

281 - 357

216 - 301

197 - 234

142 - 270

236 - 502

74

73.0

280

Eu

1.77 - 3.88

1.61 - 2.69

2.84 - 3.70

2.53 - 4.43

2.09 - 3.22

1.64 - 3.02

2.61 - 5.72

1.02

0.91

3.00

Gd

4.7 - 10.3

4.45 - 6.87

6.74 - 9.41

6.65 - 11.10

5.84 - 8.52

4.49 - 8.39

6.47 - 14.10

3.680

2.970

7.620

Tb

0.65 - 1.28

0.66 - 0.89

0.98 - 1.33

0.89 - 1.44

0.84 - 1.17

0.64 - 1.11

0.98 - 1.99

0.670

0.530

1.050

Dy

3.51 - 6.68

3.61 - 4.46

5 - 6.49

4.32 - 7.56

4.55 - 6.16

3.30 - 5.50

4.81 - 9.81

4.550

3.550

5.600

Ho

0.63 - 1.21

0.68 - 0.81

0.868 - 1.120

0.741 - 1.180

0.852 - 1145

0.604 - 1.000

0.820 - 1.670

1.01

0.790

1.06

Er

1.5 - 3.16

1.72 - 2.04

2.05 - 2.64

1.57 - 3.14

2.09 - 2.56

1.37 - 2.21

2 - 3.85

2.97

2.31

2.62

Tm

0.19 - 0.41

0.2 - 0.27

0.271 - 0.358

0.203 - 0.346

0.291 - 0.370

0.228 - 0.315

0.230 - 0.530

0.456

0.356

0.350

Yb

1.16 - 2.49

1.05 - 1.55

1.80 - 2.27

1.31 - 2.48

1.78 - 2.18

1.24 - 1.90

1.35 - 2.88

3.05

2.37

2.16

Lu

0.15 - 0.35

0.14 - 0.23

0.251 - 0.310

0.170 - 0.323

0.264 - 0.325

0.197 - 0.252

0.230 - 0.453

0.455

0.354

0.300