About the Authors

Maria E. McNamara

maria.mcnamara@yale.edu

Affiliations Department of Geology & Geophysics, Yale University, New Haven, Connecticut, United States of America, UCD School of Geological Sciences, University College Dublin, Belfield, Dublin, Ireland

Derek E. G. Briggs

Affiliations Department of Geology & Geophysics, Yale University, New Haven, Connecticut, United States of America, Yale Peabody Museum of Natural History, Yale University, New Haven, Connecticut, United States of America

Patrick J. Orr

Affiliation UCD School of Geological Sciences, University College Dublin, Belfield, Dublin, Ireland

Sonja Wedmann

Affiliation Senckenberg Forschungsinstitut und Naturmuseum, Forschungsstation Grube Messel, Messel, Germany

Heeso Noh

Affiliation Department of Applied Physics, Yale University, New Haven, Connecticut, United States of America

Hui Cao

Affiliation Department of Applied Physics, Yale University, New Haven, Connecticut, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: MEM PJO. Performed the experiments: MEM. Analyzed the data: MEM HN HC. Contributed reagents/materials/analysis tools: SW. Wrote the paper: MEM DEGB PJO SW.