About the Authors

Olev Vinn

olev.vinn@ut.ee

Affiliation Department of Geology, University of Tartu, Tartu, Estonia

Mark A. Wilson

Affiliation Department of Geology, The College of Wooster, Wooster, Ohio, United States of America

Mari-Ann Mõtus

Affiliation Institute of Geology, Tallinn University of Technology, Tallinn, Estonia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OV MAW MAM. Performed the experiments: OV MAW MAM. Analyzed the data: OV MAW MAM. Contributed reagents/materials/analysis tools: OV MAW MAM. Contributed to the writing of the manuscript: OV MAW MAM.