About the Authors

Leif Tapanila


Affiliations Department of Geosciences, Idaho State University, Pocatello, Idaho, United States of America, Division of Earth Science, Idaho Museum of Natural History, Pocatello, Idaho, United States of America

Eric M. Roberts

Affiliation James Cook University, School of Earth and Environmental Sciences, Townsville, Queensland, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LT EMR. Performed the experiments: LT EMR. Analyzed the data: LT EMR. Contributed reagents/materials/analysis tools: LT EMR. Wrote the paper: LT EMR.