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Table 4 PAAS-normalized REE values of Wudaoliang stromatolites and their reference samples

From: Palaeoenvironmental setting of lacustrine stromatolites in the Miocene Wudaoliang Group, northern Tibetan Plateau

Sample LaSN CeSN PrSN NdSN SmSN EuSN GdSN TbSN DySN HoSN ErSN TmSN YbSN LuSN La/LuSN Ce/Ce*SN Eu/Eu*SN
WDL-10-C-1 0.017 0.019 0.017 0.019 0.022 0.025 0.027 0.024 0.027 0.026 0.028 0.029 0.030 0.030 0.568 1.070 1.006
WDL-10-C-2 0.019 0.018 0.016 0.018 0.022 0.024 0.025 0.023 0.024 0.022 0.024 0.024 0.025 0.024 0.778 1.010 1.028
WDL-13-D-1 0.026 0.035 0.027 0.028 0.035 0.036 0.037 0.030 0.034 0.030 0.030 0.030 0.029 0.028 0.944 1.300 0.989
WDL-13-D-2 0.028 0.027 0.027 0.028 0.031 0.040 0.036 0.031 0.033 0.028 0.029 0.032 0.030 0.029 0.955 1.000 1.184
WDL-13-A 0.032 0.025 0.030 0.032 0.038 0.052 0.045 0.040 0.042 0.037 0.037 0.039 0.038 0.040 0.794 0.810 1.260
WDL-Carbonate 0.439 0.368 0.440 0.460 0.580 1.155 0.657 0.818 0.484 0.400 0.441 0.450 0.439 0.372 1.179 0.840 1.770
WDL-Shale 0.867 0.757 0.907 0.911 1.038 1.109 1.177 1.403 0.864 0.730 0.828 0.900 0.879 0.767 1.130 0.850 0.950
Erbisberg travertine 0.044 0.038 0.041 0.057 0.057 0.068 0.063 0.051 0.055 0.046 0.048 0.048 0.048 0.047 0.951 0.891 1.133
Wallerstein carbonate 0.013 0.014 0.015 0.018 0.026 0.037 0.035 0.031 0.035 0.033 0.033 0.038 0.035 0.037 0.340 1.011 1.218
Banza aragonite 0.052 0.040 0.069 0.085 0.122 0.218 0.161 0.143 0.142 0.137 0.131 0.109 0.105 0.492 0.660 1.538
GRF stromatolite 0.008 0.010 0.010 0.011 0.013 0.015 0.015 0.014 0.015 0.015 0.014 0.015 0.014 0.600 1.068 1.130