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

Journal of Palaeogeography

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

Sample	La_SN	Ce_SN	Pr_SN	Nd_SN	Sm_SN	Eu_SN	Gd_SN	Tb_SN	Dy_SN	Ho_SN	Er_SN	Tm_SN	Yb_SN	Lu_SN	La/Lu_SN	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