Multiple sulfur isotopes fractionations associated with abiotic sulfur transformations in Yellowstone National Park geothermal springs

Table 2 Isotopic composition of sulfur species

Spring	FPL	FPS	DS	EPS	OCS	CP, 0 m depth	CP, 4 m depth	CP, 8 m depth	CP, 12 m depth	CP, 16 m depth
δ³⁴S, ‰
Sulfide	1.590	1.215	0.465	-1.404	1.461	0.228	1.428	0.338	0.004	0.005
Sulfur	0.425	0.278	0.374	-0.402	1.069	0.750	1.648	1.338	2.042	1.784
Sulfate	-0.688	-0.092	2.904	4.679	8.604	7.960	9.088	9.018	8.750	9.044
Δ³³S, ‰
Sulfide	-0.017	-0.035	-0.030	-0.030	-0.044	-0.064	-0.058	-0.054	-0.041	-0.055
Sulfur	-0.040	-0.038	-0.072	-0.008	-0.063	-0.093	-0.070	-0.058	-0.061	-0.050
Sulfate	-0.025	-0.016	-0.063	-0.031	-0.020	-0.022	-0.026	-0.004	-0.008	-0.053
Δ³⁶S, ‰
Sulfide	0.011	-0.455	0.285	-0.028	0.063	-0.282	0.047	-0.167	-0.103	-0.295
Sulfur	-0.250	-0.294	-0.251	-0.245	0.019	-0.134	-0.059	0.095	-0.199	-0.334
Sulfate	-0.450	-0.200	-0.321	-0.202	0.058	-0.138	-0.046	-0.142	-0.243	0.199

ISSN: 1467-4866