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Dr. Jeremy McCormack
Research Interests
Jeremy McCormack is a geoscientist specialising on geochemical tracers in carbonate and bioapatite to reconstruct the environment and climate of the past and the ecology of extant and ancient organisms. One focus of Jeremy’s research is the use of carbon and oxygen stable isotopes in continental carbonates, especially lacustrine carbonates, as proxies of past climate and lake hydrology. Jeremy investigated the strengths and limitations of various lake carbonate components (biogenic and inorganic) and mineral phases (aragonite, calcite, dolomite) as palaeoenvironmental proxies.
Currently, Jeremy is using multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) analysis to investigate stable zinc isotopes in bioapatite as a dietary and trophic level proxy. Non-traditional isotopes such as zinc offer significant advantages for archaeological, ecological and palaeontological research being potentially diagenetically more resistant and metabolically independent from the traditional nitrogen isotope proxy in collagen.
Education
2015 – 2019 | Dr. rer. nat. Ruhr-University Bochum, Institute of Geology, Mineralogy and Geophysics – Bochum, Germany From Lacustrine Carbonates to Palaeohydrology - How Robust are Our Proxies? |
2012 – 2014 | Master of Science in Geoscience (Geology and Palaeontology) Goethe-University Frankfurt, Institute of Geosciences – Frankfurt, Germany Sediment-petrographical and geochemical studies on bonebed strata at the Muschelkalk - Keuper boundary at Palzem (Mosel) |
2008 – 2012 | Bachelor of Science in Geoscience Goethe-University Frankfurt, Institute of Geosciences – Frankfurt, Germany Isotope geochemical research of the Sinemurian-Pliensbachian boundary of northern Germany (written in German) |
Academic positions
since 2022 | Postdoc Institute for Geoscience - Goethe University, Frankfurt, Germany |
2019 – 2022 | Postdoc Max Planck Institute for Evolutionary Anthropology, Department of Human Evolution – Leipzig, Germany |
2015 – 2018 | Ph.D.-student, scientific employee Ruhr-University Bochum, Institute of Geology, Mineralogy and Geophysics – Bochum, Germany |
Publications
2022 |
McCormack, J., Griffiths, M., Kim, S. L., Shimada, K., Karnes, M., Maisch, H., Pederzani, S., Bourgon, N., Jaouen, K., Becker, M. A., Jöns, N., Sisma-Ventura, G., Straube, N., Pollerspöck, J., Hublin, J.-J., Eagle, R. A. & Tütken, T. (2022). Trophic position of Otodus megalodon and great white sharks through time revealed by zinc isotopes. Nature Communications 13, 2980 (2022). https://doi.org/10.1038/s41467-022-30528-9 |
2021 |
McCormack, J., Szpak, P., Bourgon, N., Richards, M., Hyland, C., Méjean, P., Hublin, J.-J., & Jaouen, K. (2021). Zinc isotopes from archaeological bones provide reliable trophic level information for marine mammals. Communications Biology, 4(1): 683. |
McCormack, J., & Kwiecien, O. (2021). Coeval primary and diagenetic carbonates in lacustrine sediments challenge palaeoclimate interpretations. Scientific Reports, 11: 7935. |
2019
McCormack, J., Viehberg, F., Akdemir, D., Immenhauser, A., and Kwiecien, O. (2019). Ostracods as ecological and isotopic indicators of lake water salinity changes: The Lake Van example, Biogeosciences,
DOI
McCormack, J., Nehrke, G., Jöns, N., Immenhauser, A., & Kwiecien, O. (2019). Refining the interpretation of lacustrine carbonate isotope records: Implications of a mineralogy-specific Lake Van case study. Chemical Geology, 513, 167-183.
DOI
2018
McCormack, J., Bontognali, T. R. R., Immenhauser, A., & Kwiecien, O. (2018). Controls on cyclic formation of Quaternary early diagenetic dolomite. Geophysical Research Letters, 45(8), 3625-3634.
DOI
2015
McCormack, J. M., Bahr, A., Gerdes, A., Tütken, T., & Prinz-Grimm, P. (2015). Preservation of successive diagenetic stages in Middle Triassic bonebeds: Evidence from in situ trace element and strontium isotope analysis of vertebrate fossils. Chemical Geology, 410, 108-123.
DOI