About the Authors

Ben Young
Lithicon Australia Pty Ltd, Canberra, Australian Capital Territory, Australia

Ben Young, Robert L. Dunstone, Gavin C. Young
Research School of Earth Sciences, Australian National University, Canberra, Australian Capital Territory, Australia

Timothy J. Senden
Research School of Physics & Engineering, Australian National University, Canberra, Australian Capital Territory, Australia

Corresponding Author

Gavin.Young@anu.edu.au

Competing Interests

Author Ben Young is an employee of Lithicon Australia Pty Ltd. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: GCY BY. Performed the experiments: BY RLD TJS GCY. Analyzed the data: BY RLD TJS GCY. Contributed reagents/materials/analysis tools: TJS. Wrote the paper: GCY RLD BY TJS. Conducted fieldwork and laboratory preparation: BY RLD TJS GCY.