Figure F19. Oxygen fugacity (-log fO2) vs. temperature for coexisting ilmenite and titanomagnetite pairs. NNO = Ni-NiO, FMQ = fayalite-magnetite-quartz, MW = magnetite-wüstite. See text for calculation methods.

Figure F19. Oxygen fugacity (-log f_O2) vs. temperature for coexisting ilmenite and titanomagnetite pairs. NNO = Ni-NiO, FMQ = fayalite-magnetite-quartz, MW = magnetite-wüstite. See text for calculation methods.