About the Authors

David Penney

david.penney@manchester.ac.uk

Affiliation Faculty of Life Sciences, The University of Manchester, Manchester, United Kingdom

Andrew McNeil

Affiliation The Manchester X-Ray Imaging Facility, School of Materials, University of Manchester, Manchester, United Kingdom

David I. Green

Affiliation Department of Geology, Amgueddfa Cymru–National Museum Wales, Cathays Park, Cardiff, United Kingdom

Robert S. Bradley

Affiliation The Manchester X-Ray Imaging Facility, School of Materials, University of Manchester, Manchester, United Kingdom

James E. Jepson

Affiliations Department of Geology, Amgueddfa Cymru–National Museum Wales, Cathays Park, Cardiff, United Kingdom, School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester, United Kingdom

Philip J. Withers

Affiliation The Manchester X-Ray Imaging Facility, School of Materials, University of Manchester, Manchester, United Kingdom

Richard F. Preziosi

Affiliation Faculty of Life Sciences, The University of Manchester, Manchester, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DP AM RSB. Performed the experiments: DP AM RSB DIG. Analyzed the data: DP AM RSB JEJ. Contributed reagents/materials/analysis tools: PJW RFP. Wrote the paper: DP AM RSB DIG JEJ PJW RFP.