Preserved particulate organic carbon is likely derived from the subsurface sulfidic photic zone of the Proterozoic Ocean: evidence from a modern, oxygen-deficient lake
A. B. Cohen, G. T. Taylor, G. Henkes, F. Weber, L. N. Christensen, M. Yagudaeva, E. Lo, M. McCormick
The paper links carbon isotope patterns in modern oxygen-deficient lake sediments to specific carbon fixation pathways and microbial communities, suggesting similar processes may explain Proterozoic ocean carbon signatures.
bioRxiv · Nov 19, 2023Microbiology