Table 4.

Results of provenance experiment: averages values of 4 stable isotopes in WRT and NWRT samples.

Number	δ 13C	δ 2H	δ 18O	δ 15N
A01	−26.77 ± 0.68	−80.90 ± 9.90	24.44 ± 0.33	1.14 ± 1.17
A02	−27.90 ± 0.76	−74.85 ± 7.54	23.39 ± 2.49	2.26 ± 0.93
A03	−27.14 ± 0.50	−77.05 ± 8.27	23.01 ± 0.81	2.55 ± 1.54
A04	−27.78 ± 0.96	−86.32 ± 0.83	22.18 ± 1.11	1.71 ± 1.06
A05	−26.79 ± 0.67	−78.34 ± 4.39	23.96 ± 1.49	2.76 ± 0.88
A06	−27.95 ± 0.78	−72.42 ± 5.61	25.05 ± 0.37	1.06 ± 2.46
A07	−27.56 ± 1.61	−86.27 ± 12.88	21.65 ± 2.63	1.40 ± 1.38
A08	−26.97 ± 0.56	−78.89 ± 4.15	24.24 ± 0.72	4.74 ± 2.10
A09	−27.50 ± 0.33	−86.99 ± 14.94	23.36 ± 3.10	2.54 ± 1.49
A10	−27.18 ± 0.12	−89.79 ± 6.63	24.56 ± 1.57	3.71 ± 0.96
A11	−26.90 ± 0.21	−73.76 ± 2.04	24.41 ± 0.81	1.83 ± 0.52
N01	−28.56 ± 0.19	−102.59 ± 0.89	18.63 ± 0.17	6.12 ± 0.22
N02	−26.96 ± 0.08	−89.39 ± 2.34	20.41 ± 0.44	3.63 ± 0.03
N03	−27.77 ± 0.07	−111.98 ± 1.55	18.34 ± 0.16	7.06 ± 0.22
N04	−28.34 ± 0.08	−111.98 ± 0.78	18.24 ± 0.22	6.78 ± 0.10
N05	−27.29 ± 0.15	−98.31 ± 1.83	22.39 ± 0.39	4.19 ± 0.07
N06	−27.84 ± 0.06	−107.15 ± 1.60	18.71 ± 0.25	4.14 ± 0.02
N07	−26.80 ± 0.09	−112.65 ± 0.64	16.65 ± 0.30	6.50 ± 0.07
N08	−28.04 ± 0.16	−103.89 ± 2.10	23.24 ± 0.20	1.98 ± 0.24
N09	−28.35 ± 0.11	−107.52 ± 1.83	18.48 ± 0.02	0.79 ± 0.02
N10	−27.88 ± 0.13	−107.75 ± 1.03	19.11 ± 0.35	4.91 ± 0.24
N11	−26.85 ± 0.14	−102.27 ± 1.97	21.09 ± 0.59	1.30 ± 0.18