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

Journal of Palaeogeography

Table 2 Stable carbon and oxygen isotope results of Wudaoliang stromatolites

Lamina number	Lamina type	δ¹³C (‰)	δ¹⁸O (‰)
1	Porous	3.073	−7.810
2	Dense	3.170	−7.425
3	Porous	3.048	−7.318
4	Dense	3.080	−7.775
5	Porous	3.163	−6.817
6	Dense	2.755	−8.245
7	Porous	3.153	−6.625
8	Dense	3.160	−7.130
9	Porous	3.312	−7.288
10	Dense	3.170	−7.115
11	Porous	3.178	−7.175
12	Dense	3.615	−6.740
13	Porous	2.973	−7.323
14	Dense	2.930	−7.260
15	Porous	3.195	−7.235
16	Dense	2.835	−7.305
17	Porous	2.935	−7.350
18	Dense	2.730	−7.600
19	Porous	3.030	−7.775
20	Dense	3.055	−7.485
21	Porous	2.340	−9.070
22	Dense	4.265	−6.095
23	Porous	2.965	−7.715
24	Dense	2.955	−7.550
25	Porous	2.990	−7.655
26	Dense	2.820	−7.320
27	Porous	3.165	−7.305
28	Dense	2.990	−7.380
29	Porous	3.365	−7.130
30	Dense	2.880	−7.080
31	Porous	2.795	−8.268
32	Dense	2.850	−7.610
33	Porous	3.025	−7.240
34	Dense	2.775	−7.310
35	Porous	2.745	−7.575
36	Dense	2.600	−7.100
Max	Porous	3.365	−6.625
Min	Porous	2.340	−9.070
Avg	Porous	3.025	−7.482
Max	Dense	4.265	−6.095
Min	Dense	2.600	−8.245
Avg	Dense	3.035	−7.307
Max	All laminae	4.265	−6.095
Min	All laminae	2.340	−9.070
Avg	All laminae	3.030	−7.394
Standard diviation	All laminae	0.313	0.498
r-value	0.720	p-value	0.0000008