Alan Levett, Emma J. Gagen, Hui Diao, Paul Guagliardo, Llew Rintoul, Anat Paz, Paulo M. Vasconcelos, Gordon Southam ABSTRACT: Demonstrating the biogenicity of presumptive microfossils in the geological record often requires supporting chemical signatures, including...
Stephen M. Elardo, Anat Shahar, Timothy D. Mock, Corliss K. Sio ABSTRACT: We have conducted high-pressure, high-temperature isotope exchange experiments between molten silicate and molten Fe–Si–C-alloys to constrain the effect of Si on equilibrium Fe isotope...