Table T1. Calculation of proportions of major components presented in Figure F3.

Table T1. Calculation of proportions of major components presented in Figure F3.


Carbonate	[%] = TIC [wt%] x 8.3331
SiO_2xs	[%] = SiO₂ [wt%] – Al₂O₃ [wt%] x (SiO₂/Al₂O₃)_min/Unit
OM	[%] = TOC [wt%] x 1.34
Pyrite	[%] = min (pyrite_Fe [wt%]; pyrite_TS [wt%])
If pyrite_Fe [%] < pyrite_TS [%]
nonpyrite S	[%] = TS [wt%] – S_pyrite [wt%]
terrigenous detritus	[%] = 100% – (carbonate; SiO_2xs; OM; pyrite; nonpyritic S)

Notes: OM = organic matter. TIC = total inorganic carbon. TOC = total organic carbon. TS = total sulfur.