| Western Senegal | Cape Verde Islands |
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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 |