Response to Comment on "Early Archaean Microorganisms Preferred Elemental Sulfur, Not Sulfate"
Abstract
Our knowledge of the sulfur cycle on early Earth is still in its infancy. Nevertheless, there exist
enough geochemical constraints from the rock record to show that the theoretical mixing models
proposed by Bao et al. are highly unlikely to account for the range of d34S and D33S values
recorded for the microscopic sulfides at the North Pole