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Table 2 REE concentrations of carbonate concretions from the Member IV of Xiamaling Formation (Huangtugang section)

From: Growth mechanisms and environmental implications of carbonate concretions from the ~ 1.4 Ga Xiamaling Formation, North China

Sample ID La Ce Pr Nd Sm Eu Gd Tb Dy Y Ho Er Tm Yb Lu Ce/Ce* Eu/Eu* Y/Ho PrSN/YbSN
1704HTG-3 11.100 42.500 3.620 16.100 4.340 1.006 5.168 0.869 4.620 26.300 0.813 1.900 0.244 1.400 0.182 1.62 1.03 32.3 0.81
1704HTG-4 12.000 33.900 3.300 14.400 3.480 0.756 3.635 0.543 2.840 16.200 0.499 1.330 0.172 1.010 0.143 1.39 1.06 32.5 1.03
1704HTG-6 11.900 38.200 3.400 14.500 3.430 0.741 3.576 0.567 2.840 15.600 0.523 1.260 0.154 0.955 0.134 1.48 1.03 29.8 1.12
1704HTG-8 18.500 62.500 5.300 22.400 5.390 1.233 6.093 0.932 5.020 24.800 0.887 2.240 0.270 1.600 0.228 1.54 1.07 28.0 1.04
1704HTG-9 12.300 37.500 3.490 15.100 3.550 0.777 3.884 0.584 2.990 16.100 0.537 1.450 0.162 1.050 0.147 1.44 1.05 30.0 1.05
1704HTG-10 5.060 16.100 1.570 6.690 1.380 0.317 1.479 0.220 1.160 6.780 0.208 0.581 0.078 0.505 0.058 1.35 1.11 32.6 0.98
1704HTG-12 5.760 15.800 1.760 7.830 1.510 0.325 1.479 0.195 0.988 6.530 0.194 0.572 0.078 0.445 0.073 1.24 1.12 33.7 1.24
1704HTG-14 8.770 30.000 2.740 11.400 2.240 0.444 2.006 0.275 1.360 7.710 0.272 0.721 0.090 0.528 0.076 1.41 1.05 28.3 1.63
Min 5.060 15.800 1.570 6.690 1.380 0.317 1.479 0.195 0.988 6.530 0.194 0.572 0.078 0.445 0.058 1.24 1.03 28.0 0.81
Max 18.500 62.500 5.300 22.400 5.390 1.233 6.093 0.932 5.020 26.300 0.887 2.240 0.270 1.600 0.228 1.62 1.12 33.7 1.63
Average 10.674 34.563 3.148 13.553 3.165 0.700 3.415 0.523 2.727 15.003 0.492 1.257 0.156 0.937 0.130 1.43 1.06 30.9 1.11
  1. Note: the unit of REE + Y concentration is ug/g