The age of the Tojeira Formation (Late Jurassic, Early Kimmeridgian), of Montejunto, west-central Portugal

Swiss Journal of Palaeontology

Table 1 Total organic carbon (TOC) and δ ¹³C_org values from the Tojeira-1 section

Sampling level	Approximate depth (from base upwards) (m)	TOC	δ ¹³C_org
1	0	1.08	−22.96
2	0.8	1.00	−23.42
3	1.6	1.06	−23.30
4	2.7	0.86	−23.04
5	3.7	1.21	−23.43
6	5.2	0.95	−23.51
7	6.7	0.56	−23.00
8	9.6	0.67	−22.37
9	11.2	1.03	−23.56
10	12.4	0.49	−23.10
11	13.3	0.54	−23.51
12	14.4	0.73	−23.48
13	15.4	0.87	−22.84
14	16.4	0.81	−23.27
15	17.4	0.70	−22.82
16	18.4	0.58	−24.21
17	19.5	0.57	−24.44
18	20.5	0.50	−23.17
19	21.4	0.60	−23.53
20	22.7	0.64	−24.24
21	23.7	0.53	−24.11
22	24.7	0.79	−23.30
23	25.7	0.87	−22.76
24	26.7	0.60	−23.06
25	27.7	0.62	−23.26
26	28.7	0.95	−23.20
27	29.7	0.72	−22.58
28	30.7	0.88	−22.60
29	31.7	0.93	−22.85
30	32.7	0.79	−23.03
31	33.7	0.80	−22.63
32	34.7	0.90	−23.06
33	35.7	0.53	−23.14
34	36.7	0.78	−22.72
35	37.7	0.49	−22.63
36	38.7	0.38	−23.11
37	39.7	0.40	−23.61
38	40.7	0.77	−23.49
39	41.7	0.42	−23.89
40	42.7	0.60	−23.41
41	43.7	0.75	−22.74
42	44.7	0.46	−23.58
43	45.7	0.60	−23.12
44	46.7	0.57	−23.25
45	47.7	0.48	−23.09
46	48.7	0.56	−22.87
47	49.7	0.92	−22.85
48	50.7	0.39	−23.13