About the Authors

Léa Devaere

lea.devaere@ed.univ-lille1.fr

Affiliation UMR 8217 Géosystèmes CNRS – Université Lille 1Villeneuve d’Ascq, France

Sébastien Clausen

Affiliation UMR 8217 Géosystèmes CNRS – Université Lille 1Villeneuve d’Ascq, France

J. Javier Álvaro

Affiliation Centro de Astrobiología, Instituto Nacional de Técnica Aeroespacial, Consejo Superior de Investigaciones Científicas, Torrejón de Ardoz, Spain

John S. Peel

Affiliation Department of Earth Sciences (Palaeobiology), Uppsala University, Uppsala, Sweden

Daniel Vachard

Affiliation UMR 8217 Géosystèmes CNRS – Université Lille 1Villeneuve d’Ascq, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LD SC JJA JSP DV. Performed the experiments: LD SC. Analyzed the data: LD SC JSP JJA. Contributed reagents/materials/analysis tools: LD SC JJA. Wrote the paper: LD SC JJA JSP DV.