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Chert oxygen isotope ratios are driven by Earth's thermal evolution.
Tatzel M, Frings PJ, Oelze M, Herwartz D, Lünsdorf NK, Wiedenbeck M. Tatzel M, et al. Among authors: frings pj. Proc Natl Acad Sci U S A. 2022 Dec 20;119(51):e2213076119. doi: 10.1073/pnas.2213076119. Epub 2022 Dec 14. Proc Natl Acad Sci U S A. 2022. PMID: 36516068
Biogenicity of an Early Quaternary iron formation, Milos Island, Greece.
Chi Fru E, Ivarsson M, Kilias SP, Frings PJ, Hemmingsson C, Broman C, Bengtson S, Chatzitheodoridis E. Chi Fru E, et al. Among authors: frings pj. Geobiology. 2015 May;13(3):225-44. doi: 10.1111/gbi.12128. Epub 2015 Feb 2. Geobiology. 2015. PMID: 25645266