serie NOVA TERRA nº 49

93 Table 1 Whole rock major and trace element data of metasedimentary rocks. Lower sedimentary sequence. Sample B-1 B-2 B-3 B-4 B-5 B-6 B-7 B-8 B-9 B-10 B-11 SiO 2 73.83 73.94 60.34 71.77 64.50 70.81 70.51 70.14 61.40 73.12 74.40 Al 2 O 3 12.62 12.36 16.77 12.97 15.85 13.22 13.52 13.52 17.85 12.06 11.24 Fe 2 O 3 3.36 3.38 6.82 4.46 5.60 4.00 4.29 4.85 5.92 3.46 3.96 MnO 0.049 0.047 0.077 0.058 0.068 0.048 0.049 0.055 0.149 0.033 0.042 MgO 1.21 1.13 3.38 1.72 2.45 1.55 1.74 1.80 2.47 1.24 1.23 CaO 1.83 1.50 2.85 1.55 1.33 0.88 0.63 0.76 1.63 0.61 0.52 Na 2 O 3.09 2.91 4.13 3.35 2.79 3.64 2.73 3.07 2.56 2.86 2.79 K 2 O 2.01 2.10 2.48 2.15 3.42 2.02 2.66 2.66 2.88 2.94 2.52 TiO 2 0.557 0.563 0.834 0.542 0.725 0.576 0.583 0.768 0.777 0.509 0.659 P 2 O 5 0.15 0.17 0.16 0.13 0.16 0.14 0.15 0.20 0.18 0.13 0.15 LOI a 0.9 0.8 1.4 0.8 1.5 1.8 2.5 1.9 2.4 1.4 1.8 Total 99.62 98.93 99.19 99.51 98.36 98.71 99.30 99.75 98.23 98.35 99.25 Sc 8 8 19 9 14 9 10 11 15 7 8 V 58 58 133 62 92 65 65 81 105 56 71 Cr 80 60 100 80 90 60 60 80 90 70 140 Co 15 12 26 15 15 7 9 9 11 10 11 Ni 30 20 50 30 40 20 20 20 30 30 30 Cu 20 b 10 20 30 20 b 10 b 10 b 10 40 20 20 Zn 50 50 90 80 80 50 50 60 90 50 70 Ga 15 14 23 15 20 16 16 17 22 14 14 Rb 73 79 99 89 131 83 89 100 87 94 88 Sr 153 121 207 164 133 164 125 135 198 144 117 Y 22.9 23.1 28.9 22.9 22.7 20.2 17.9 25.8 32.1 17.8 21.4 Zr 268 315 167 166 200 250 182 430 234 214 381 Nb 11.2 9.7 12.9 10.8 13.7 10.1 9.0 12.6 14.0 9.4 12.4 Cs 5.4 5.8 12.1 8.1 7.1 5.2 5.0 6.4 9.6 4.9 4.7 Ba 584 453 963 466 716 629 881 903 999 1004 838 Hf 6.5 7.2 4.3 4.1 5.0 5.9 4.2 10.0 5.6 5.1 9 Ta 0.94 0.91 1.11 0.90 1.19 0.92 0.92 1.15 1.33 0.84 1.05 Pb 28 18 32 18 12 9 7 11 15 23 22 Th 9.88 11.20 11.10 7.92 10.50 10.70 9.36 14.30 12.90 9.26 14.3 U 2.92 2.93 3.26 2.42 3.13 2.59 2.36 3.55 3.97 2.63 3.43 Rb/Sr 0.48 0.65 0.48 0.54 0.98 0.51 0.71 0.74 0.44 0.65 0.75 Ti/Zr 12.46 10.71 29.94 19.57 21.73 13.81 19.20 10.71 19.91 14.26 10.7 La/Sc 4.91 5.46 2.23 4.11 2.81 4.28 2.64 4.54 3.85 4.94 6.43 La/Y 1.72 1.89 1.46 1.62 1.73 1.91 1.47 1.93 1.80 1.94 2.4 La/Th 3.98 3.90 3.81 4.67 3.74 3.60 2.82 3.49 4.48 3.74 3.59 Sc/Cr 0.10 0.13 0.19 0.11 0.16 0.15 0.17 0.14 0.17 0.10 0.06 Th/Sc 1.24 1.40 0.58 0.88 0.75 1.19 0.94 1.30 0.86 1.32 1.79 Lower sedimentary sequence. Upper sedimentary sequence B-12 B-13 B-14 B-15 B-16 B-22 B-23 B-17 B-18 B-19 B-20 B-21 Oxides are in weight percent (wt.%). Trace elements are in parts per million (ppm). The element concentrations expressed with the b sign are below detection limit. a Loss on ignition. Table 2 Whole rock rare earth element data of metasedimentary rocks. Lower sedimentary sequence B-1 B-2 B-3 B-4 B-5 B-6 B-7 B-8 B-9 B-10 B-11 La 39.3 43.7 42.3 37 39.3 38.5 26.4 49.9 57.8 34.6 51.4 Ce 71.5 80.5 79.4 65.9 73.7 59.3 48.3 87.6 70.6 61.7 94.5 Pr 8.05 9.03 9.23 7.47 8.41 8.14 5.97 10.7 11.4 7.2 10.4 Nd 27.9 32.3 32.5 26.6 29.6 29.4 21.7 38.1 41.5 24.7 34.5 Sm 5.28 6.11 6.66 5.13 5.88 5.48 4.39 7.04 7.95 4.61 6.07 Eu 1.10 1.10 1.29 1.15 1.16 1.08 0.92 1.27 1.64 0.95 0.98 Gd 4.46 4.74 5.88 4.34 4.95 4.27 3.38 5.33 6.58 3.62 4.64 Tb 0.73 0.76 0.97 0.71 0.78 0.67 0.56 0.86 1.03 0.59 0.71 Dy 4.01 4.3 5.35 3.85 4.19 3.81 3.33 4.89 5.83 3.27 3.97 Ho 0.79 0.83 1.01 0.77 0.82 0.74 0.66 0.95 1.12 0.62 0.78 Er 2.3 2.41 2.97 2.24 2.43 2.18 1.95 2.8 3.32 1.85 2.27 Tm 0.373 0.372 0.466 0.345 0.380 0.328 0.309 0.442 0.512 0.309 0.364 Yb 2.4 2.5 2.9 2.2 2.5 2.2 2.0 2.9 3.3 2.0 2.38 Lu 0.344 0.347 0.416 0.308 0.358 0.322 0.282 0.423 0.469 0.287 0.364 Σ REE 168.50 188.97 191.31 158.01 174.42 156.44 120.16 213.18 213.05 146.31 213.33 Eu/Eu ⁎ 0.70 0.63 0.63 0.75 0.66 0.69 0.73 0.64 0.70 0.72 0.57 (La/Sm)N 4.59 4.41 3.92 4.45 4.12 4.33 3.71 4.37 4.49 4.63 5.22 (Gd/Yb) N 1.51 1.53 1.63 1.57 1.6 1.53 1.34 1.48 1.59 1.44 1.55 (La/Yb) N 11.14 11.83 9.86 11.25 10.68 11.6 8.78 11.63 11.71 11.57 14.44 Lower sedimentary sequence Upper sedimentary sequence B-12 B-13 B-14 B-15 B-16 B-22 B-23 B-17 B-18 B-19 B-20 B-21 Rare earth elements data in parts per million (ppm). 200 J.M. Fuenlabrada et al. / Lithos 148 (2012) 196 – 208