Dr. Theresa Nohl summarising her new research on reconstructing original calcite and aragonite contents of limestone-marl alternations.Nohl, T., Steinbauer, M.J., Sinnesael, M. and Jarochowska, E. (2021), Detecting initial aragonite and calcite variations in limestone–marl alternations. Sedimentology. Accepted Author Manuscript. https://doi.org/10.1111/sed.12885