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Technical CommentsResponse to Comment on "Early Archaean Microorganisms Preferred Elemental Sulfur, Not Sulfate"
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
1 Equipe Géobiosphère Actuelle et Primitive, Institut de Physique du Globe de Paris, Centre National de la Recherche Scientifique and Université Denis Diderot, 4 place Jussieu, 75005 Paris cedex, France. * To whom correspondence should be addressed. E-mail: philippot{at}ipgp.jussieu.fr
The editors suggest the following Related Resources on Science sites:In Science Magazine
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