Nova Terra 52

474 International Journal of Earth Sciences (2021) 110:467–485 13 Table 2 Whole major and trace element data of Tentudía Formation (Late Ediacaran) Sample TE-01 TE-02 TE-03 TE-04 TE-05 TE-06 TE-07 TE-08 TE-09 TE-10 TE-11 TE-12 SiO 2 62.19 62.90 65.36 69.50 68.81 69.08 65.20 64.70 65.97 67.27 67.60 66.14 TiO 2 0.79 0.75 0.79 0.80 0.52 0.72 0.72 0.71 0.77 0.81 0.69 0.73 Al 2 O 3 17.49 16.35 16.91 13.31 14.97 13.24 15.12 15.35 15.02 17.09 14.65 15.40 Fe 2 O 3( T ) 5.84 5.87 5.14 4.61 4.20 4.93 5.87 5.85 5.88 4.23 4.99 3.84 MnO 0.04 0.06 0.04 0.04 0.02 0.06 0.10 0.07 0.08 0.05 0.08 0.03 MgO 2.29 2.20 2.30 1.57 1.51 1.74 3.46 4.51 3.84 1.61 1.65 2.01 CaO 0.42 0.52 0.23 0.77 0.37 0.39 1.23 0.57 0.69 0.40 1.34 1.79 Na 2 O 3.08 2.87 0.10 2.75 3.35 2.45 3.72 3.38 4.11 0.14 3.39 3.36 K 2 O 2.47 2.84 4.87 1.95 2.17 2.17 1.66 1.66 1.19 5.23 2.44 2.47 P 2 O 5 0.15 0.21 0.17 0.22 0.13 0.20 0.19 0.22 0.23 0.25 0.22 0.22 LOI 5.01 4.46 4.40 3.34 3.22 3.62 2.14 2.69 2.44 3.22 2.80 3.41 Total 99.77 99.02 100.31 98.85 99.27 98.60 99.41 99.71 100.22 100.30 99.85 99.41 PIA 81.10 79.94 97.33 76.34 77.48 79.58 73.11 77.61 74.24 95.65 72.08 71.52 CIA 67.92 65.98 69.27 65.41 66.92 66.23 60.02 60.27 60.44 69.84 62.42 61.53 SiO 2 /Al 2 O 3 3.56 3.85 3.87 5.22 4.60 5.22 4.31 4.21 4.39 3.94 4.61 4.29 K 2 O/Na 2 O 0.80 0.99 48.70 0.71 0.65 0.89 0.45 0.49 0.29 37.36 0.72 0.74 Al 2 O 3 /Na 2 O 5.68 5.70 169.10 4.84 4.47 5.40 4.06 4.54 3.65 122.07 4.32 4.58 Al 2 O 3 /TiO 2 22.20 21.89 21.35 16.74 28.79 18.47 21.00 21.71 19.56 21.18 21.29 21.04 Ba 354 341 534 243 379 266 447 364 211 405 320 302 Rb 83 101 141 68 75 91 52 50 39 138 80 73 Sr 97 89 18 71 83 66 163 95 144 30 154 132 Nb 10.20 10.30 10.70 9.10 6.40 8.50 10.30 10.40 10.60 11.60 9.80 10.20 Hf 3.80 4.00 5.70 5.80 3.30 5.40 5.20 6.30 6.80 6.90 6.10 5.70 Zr 142 150 228 253 136 230 220 265 274 285 257 235 Y 26.90 25.40 21.40 24.10 15.50 21.90 21.30 22.70 23.10 23.10 26.00 25.50 Pb 5 5 5 62 7 5 8 5 6 5 6 5 Th 7.43 8.00 9.16 12.30 6.27 11.30 7.05 10.70 9.82 10.70 9.53 8.66 U 1.84 2.13 2.45 3.34 1.88 2.26 1.42 1.80 2.65 3.92 2.05 2.00 Cr 90 90 80 80 60 70 90 100 100 90 80 90 Ni 40 50 30 30 40 40 40 40 40 40 40 40 Co 11 13 13 10 11 13 19 19 19 21 16 15 V 127 122 103 85 73 81 92 101 105 97 90 94 Sc 17 16 13 11 10 10 12 13 13 13 11 12 Ga 21 22 22 16 17 16 20 20 20 22 19 20 Ti 4724 4478 4748 4766 3117 4298 4316 4238 4604 4838 4125 4388 Th/Nb 0.73 0.78 0.86 1.35 0.98 1.33 0.68 1.03 0.93 0.92 0.97 0.85 Th/Sc 0.44 0.50 0.70 1.12 0.63 1.13 0.59 0.82 0.76 0.82 0.87 0.72 La/Th 3.20 2.84 2.71 2.09 4.32 2.39 4.09 3.52 3.96 3.91 4.42 4.31 Zr/Sc 8.35 9.38 17.54 23 .00 13.60 23.00 18.33 20.38 21.08 21.92 23.36 19.58 Ti/Zr 33.27 29.86 20.82 18.84 22.92 18.69 19.62 15.99 16.80 16.98 16.05 18.67 La 23.8 22.7 24.8 25.7 27.1 27 28.8 37.7 38.9 41.8 42.1 37.3 Ce 47.6 48.5 59 50.9 52.6 60.1 57.3 74.8 77.2 78.3 78.6 69.6 Pr 5.71 5.43 6.13 6.17 6.11 6.37 6.63 8.33 8.57 8.88 9.15 8.02 Nd 21.4 19.9 23.2 22.3 22.6 23 24.1 30.3 30.8 31.3 33 29.7 Sm 4.68 4.09 4.52 4.4 4.54 4.53 4.79 5.76 5.97 5.31 6.27 6.01 Eu 1.19 0.903 1.23 1.1 1.04 1.11 1.1 1.39 1.44 1.37 1.55 1.33 Gd 4.21 3.83 3.7 3.76 3.39 3.8 3.93 4.75 4.86 4.34 5.04 4.88 Tb 0.74 0.66 0.62 0.65 0.49 0.65 0.61 0.76 0.72 0.68 0.76 0.75 Dy 4.59 4.25 3.89 4.09 2.74 3.85 3.68 4.21 4.03 3.94 4.46 4.36 Ho 0.93 0.88 0.75 0.83 0.51 0.75 0.72 0.76 0.76 0.77 0.86 0.84 &KDSWHU