Pele

(1985, Contib. Mineral. and Petrol, 90, 107-120) and Ghiorso and Sack (1994, Contib. Mineral and Petrol., 119: 197-212).Starting with version 5, CO2 and S were added as additional system components.

This allows one to exsolve both a C-O-H-S fluid and to precipitate sulfide and C-bearing phases from the liquid.