About the Authors

Kudzai Farai Kaseke

Affiliation Department of Earth Sciences, Indiana University-Purdue University Indianapolis (IUPUI), Indianapolis, IN, 46202, United States of America

Lixin Wang

lxwang@iupui.edu

Affiliation Department of Earth Sciences, Indiana University-Purdue University Indianapolis (IUPUI), Indianapolis, IN, 46202, United States of America

Heike Wanke

Affiliation University of Namibia, Geology Department, Private Bag 13301, Windhoek, Namibia

Veronika Turewicz

Affiliation University of Vienna, Department of Environmental Geosciences, Vienna, Austria

Paul Koeniger

Affiliation Federal Institute for Geosciences and Natural Resources (BGR), Stilleweg 2, 30655, Hannover, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LW. Performed the experiments: KFK. Analyzed the data: KFK. Contributed reagents/materials/analysis tools: HW VT PK. Wrote the paper: KFK LW HW.