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

Journal of Palaeogeography

Table 5 Integration of rare earth element (REE) concentrations in stromatolite laminae of the sample WDL-13-A

Laminae type	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu	ΣREE	ΣLREE	ΣHREE
Dense (n = 8)	1679	3695	456	1931	422	145	416	57	358	66	161	22	157	25	9590	8328	1240
Dense (n = 8)	1120	2464	263	956	204	43	196	30	158	33	106	14	105	15	5707	5050	643
Porous (n = 8)	854	1803	181	695	154	38	134	21	116	29	71	10	63	13	4182	3725	447
Dense (n = 8)	1909	1664	580	2016	329	55	228	30	171	31	88	12	69	13	7195	6553	630
Porous (n = 7)	744	1506	182	673	128	39	117	20	103	24	66	9	65	10	3686	3272	405
Dense (n = 8)	3707	3753	464	1481	249	54	212	28	148	27	88	14	79	12	10,316	9708	594
Porous (n = 8)	808	1605	173	654	142	40	141	21	125	26	71	12	76	11	3905	3422	471
Dense (n = 6)	920	1792	201	798	204	55	200	26	200	38	139	25	232	45	4875	3970	880
Porous (n = 6)	655	1407	184	737	187	62	206	35	197	40	108	14	89	13	3934	3232	688
Dense (n = 5)	959	1874	224	886	166	36	183	26	145	28	88	12	98	12	4737	4145	580
Porous (n = 5)	724	1284	167	696	155	43	170	22	132	24	74	12	76	12	3591	3069	510
Dense (n = 6)	1182	2101	277	1065	246	69	230	32	202	39	110	17	113	15	5698	4940	741
Porous (n = 6)	870	1331	170	622	115	44	146	23	124	24	61	10	68	11	3619	3152	457
Dense (n = 8)	1259	2021	306	1201	280	82	342	52	282	59	174	23	161	24	6266	5149	1094
Porous (n = 5)	736	1440	165	694	137	37	166	23	111	22	78	10	66	11	3696	3209	477
Dense (n = 8)	914	1780	224	989	248	70	287	43	354	78	225	36	214	39	5501	4225	1240
Porous (n = 10)	859	1675	180	698	140	44	170	20	137	25	76	10	80	12	4126	3596	520
Mean dense laminae	1496	2181	317	1174	241	58	235	33	207	42	127	19	134	22	6286	5467	800
Mean porous laminae	881	1749	206	822	175	55	185	27	156	31	85	12	82	13	4479	3888	579