About the Authors

Jan Baeten

Affiliations Center for Surface Chemistry and Catalysis, KU Leuven, Leuven, Belgium, Centre for Archaeological Sciences, KU Leuven, Leuven, Belgium

Koen Deforce

Affiliation OD Earth and History of Life, Royal Belgian Institute of Natural Sciences, Brussels, Belgium

Sophie Challe

Affiliation Service public de Wallonie, Direction de l’Archéologie, Jambes, Belgium

Dirk De Vos

dirk.devos@biw.kuleuven.be

Affiliations Center for Surface Chemistry and Catalysis, KU Leuven, Leuven, Belgium, Centre for Archaeological Sciences, KU Leuven, Leuven, Belgium

Patrick Degryse

Affiliation Centre for Archaeological Sciences, KU Leuven, Leuven, Belgium

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JB KD SC DDV PD. Performed the experiments: JB KD SC. Analyzed the data: JB KD SC. Contributed reagents/materials/analysis tools: SC DDV PD. Contributed to the writing of the manuscript: JB KD SC DDV PD.