About the Authors

Carolina Loch

carolina.loch@otago.ac.nz

Affiliations Department of Geology, University of Otago, Dunedin, New Zealand, Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand

Jules A. Kieser

† Deceased.

Affiliation Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand

R. Ewan Fordyce

Affiliation Department of Geology, University of Otago, Dunedin, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CL JAK REF. Performed the experiments: CL. Analyzed the data: CL JAK REF. Contributed reagents/materials/analysis tools: CL JAK REF. Wrote the paper: CL JAK REF.