serie NOVA TERRA nº 49

56 Table 1 Whole rock major and trace element data of the top metagreywackes from the Órdenes Complex. Sample SO-1 SO-2 SO-3 SO-4 SO-5 SO-6 SO-7 SO-8 SO-9 SO-10 SO-11 SO-12 SO-13 SO-14 SO-15 SO-16 SO-17 SO-18 SO-19 SO-20 SiO 2 65.54 65.12 62.66 65.33 59.77 63.27 60.90 66.30 65.45 65.05 66.17 63.14 73.07 75.67 75.74 65.44 64.64 62.16 62.21 66.69 Al 2 O 3 15.28 15.76 16.80 15.70 17.98 17.00 17.48 14.96 16.09 16.51 16.17 17.41 13.09 11.74 11.35 16.65 16.97 17.17 18.08 15.41 Fe 2 O 3 5.85 5.67 7.15 5.90 8.02 7.00 7.59 5.75 5.97 5.89 5.66 6.52 3.86 3.73 3.58 5.93 6.20 6.48 6.56 5.68 MnO 0.122 0.106 0.127 0.128 0.128 0.130 0.135 0.149 0.065 0.054 0.055 0.077 0.040 0.060 0.058 0.084 0.087 0.110 0.078 0.081 MgO 2.15 2.22 2.82 2.23 2.89 2.51 2.56 1.97 1.71 1.63 1.52 2.21 1.05 1.03 0.99 1.80 1.95 2.14 2.17 2.21 CaO 2.22 2.51 3.05 2.60 1.17 1.32 1.23 1.94 0.21 0.15 0.25 0.31 0.12 0.49 0.60 0.60 0.84 0.66 0.59 1.41 Na 2 O 2.81 3.57 3.71 3.71 2.48 2.46 2.71 2.92 2.97 2.72 3.38 3.21 3.04 3.26 2.81 2.72 3.14 2.86 3.31 3.86 K 2 O 2.81 2.30 1.65 1.82 2.79 2.79 2.93 2.12 2.65 2.86 2.42 2.86 2.11 1.97 2.21 3.12 2.86 3.36 3.03 1.53 TiO 2 0.780 0.801 0.856 0.807 0.892 0.866 0.870 0.808 0.753 0.781 0.773 0.824 0.590 0.566 0.543 0.798 0.813 0.835 0.839 0.765 P 2 O 5 0.18 0.17 0.18 0.17 0.13 0.16 0.17 0.16 0.14 0.10 0.14 0.17 0.07 0.09 0.09 0.12 0.14 0.13 0.16 0.16 LOI a 1.30 1.03 1.46 1.18 3.28 2.63 2.80 1.76 2.88 3.00 2.51 2.92 1.89 1.23 1.35 2.67 2.58 3.09 3.09 2.07 TOTAL 99.03 99.24 100.50 99.57 99.52 100.10 99.36 98.83 98.88 98.76 99.04 99.65 98.92 99.82 99.31 99.92 100.20 99.00 100.10 99.85 Sc 15 15 19 16 22 19 19 15 15 16 15 18 10 9 8 16 17 18 18 15 V 111 111 116 111 127 121 154 120 138 137 134 144 86 77 73 135 139 160 145 110 Cr 50 50 50 50 50 50 60 50 40 50 40 50 30 30 30 50 50 50 60 50 Co 13 11 15 12 17 13 14 7 6 6 11 14 5 7 7 8 13 11 12 12 Ni 30 30 30 30 40 30 40 <20 20 30 30 30 <20 20 20 30 40 30 30 20 Cu 10 30 40 20 50 30 20 30 30 40 20 30 10 10 10 30 30 30 20 20 Zn 90 90 110 80 120 120 110 90 110 130 110 130 70 70 70 110 130 130 120 80 Ga 19 19 21 19 23 21 22 18 20 21 20 22 15 13 13 21 22 22 23 18 Rb 84 70 47 53 85 92 88 80 88 97 78 93 63 58 68 98 99 100 95 44 Sr 169 252 289 246 217 172 206 231 117 121 145 156 129 139 123 112 138 137 180 295 Y 28.0 20.7 25.3 23.2 34.2 25.0 26.4 19.1 30.0 32.5 31.5 36.7 22.7 21.9 20.7 23.3 34.7 39.3 40.0 23.4 Zr 180 184 180 193 173 171 175 166 194 205 220 195 174 172 164 222 198 197 208 168 Nb 7.5 7.9 10.5 8.2 10.3 10.5 10.1 8.1 9.2 9.7 9.1 10.2 7.0 6.5 6.3 10.0 10.8 10.3 10.7 6.9 Cs 4.8 5.0 3.1 3.5 3.3 4.1 3.9 4.7 4.6 4.5 3.8 4.1 2.5 4.8 6.1 2.7 3.4 2.3 2.4 1.3 Ba 617 758 428 519 689 513 585 468 637 647 574 721 467 573 615 547 597 688 651 449 Hf 4.8 5.3 5.2 5.5 5.1 4.9 5.1 4.5 5.5 5.9 6.2 5.6 4.8 4.7 4.4 6.2 5.8 5.7 6.2 4.5 Ta 0.66 0.70 0.89 0.79 0.92 0.90 0.87 0.68 0.84 0.87 0.85 0.96 0.66 0.64 0.60 0.90 0.95 0.94 0.97 0.60 Pb 15 13 13 13 14 13 11 16 17 17 12 15 13 8 9 14 16 18 9 9 Th 6.63 7.27 8.92 6.81 8.90 7.95 8.70 7.87 8.19 8.79 8.52 9.11 6.44 5.95 5.79 8.60 9.16 9.24 8.96 5.34 U 2.09 2.21 2.91 2.14 2.00 2.10 2.66 2.09 3.33 3.51 3.44 2.96 2.30 1.73 1.93 3.09 3.37 3.17 3.11 1.31 Rb/Sr 0.50 0.28 0.16 0.22 0.39 0.53 0.43 0.35 0.75 0.80 0.54 0.60 0.49 0.42 0.55 0.88 0.72 0.73 0.53 0.15 Ti/Zr 26 26 29 25 31 30 30 29 23 23 21 25 20 20 20 22 25 25 24 27 La/Sc 1.63 1.24 1.35 1.36 1.18 0.83 1.22 1.79 1.62 1.81 1.75 1.74 2.11 2.43 2.24 0.81 1.95 1.27 1.92 1.57 La/Y 0.87 0.90 1.02 0.94 0.76 0.63 0.88 1.41 0.81 0.89 0.83 0.85 0.93 1.00 0.86 0.55 0.95 0.58 0.87 1.01 La/Th 3.68 2.56 2.88 3.20 2.92 1.97 2.67 3.42 2.97 3.30 3.09 3.44 3.28 3.68 3.09 1.50 3.61 2.47 3.86 4.42 Sc/Cr 0.30 0.30 0.38 0.32 0.44 0.38 0.32 0.30 0.38 0.32 0.38 0.36 0.33 0.30 0.27 0.32 0.34 0.36 0.30 0.30 Th/Sc 0.44 0.48 0.47 0.43 0.40 0.42 0.46 0.52 0.55 0.55 0.57 0.51 0.64 0.66 0.72 0.54 0.54 0.51 0.50 0.36 Oxides are in weight percent (wt.%). Trace elements are in parts per million (ppm). The element concentrations expressed with the < sign are below detection limit. a Loss on ignition. 343 J.M. Fuenlabrada et al. / Gondwana Research 17 (2010) 338 – 351