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Dr. Christopher Hamann

Dr. Christopher Hamann
  • Moreau, J.-G., Jõeleht, A., Stojic, A. N., Hamann, C., Kaufmann, F. E. D., Somelar, P., Plado, J., Hietala, S., Kohout, T. (2024) Experimentally induced troilite melt pervasion in chondritic analog materials: A study for FeNi‐FeS darkening in chondrites. Meteoritics & Planetary Science 59, 3229–3249. https://doi.org/10.1111/maps.14274

    Tada, T., Kurosawa, K., Tomioka, N., Nagaya, T., Isa, J., Hamann, C., Ono, H., Niihara, T., Okamoto, T., Matsui T., (2024) Detailed occurrence of feather features in quartz in experimentally shocked granite. Journal of Geophysical Research: Planets 129, e2024JE008409. https://doi.org/10.1029/2024JE008409

    Genge, M. J., Alesbrook, L., Almeida, N. V., Bates, H. C., Bland, P. A., Boyd, M. R., Burchell, M. J., Collins, G. S., Cornwell, L. T., Daly, L., Devillepoix, H. A. R., Van Ginneken, M., Greshake, A., Hallatt, D., Hamann, C., Hecht, L., Jenkins, L. E., Johnson, E., Jones, R., King, A. J., Mansour, H., McMullan, S., Mitchell, J. T., Rollinson, G., Russell, S. S., Schröder, C., Stephen, N. R., Suttle, M. D., Tandy, J. D., Trimby, P., Sansom, E. K., Spathis, V., Willcocks, F. M., Wozniakiewicz, P. J. (2024) The fusion crust of the Winchcombe meteorite: A preserved record of atmospheric entry processes. Meteoritics & Planetary Science 59, 948–972. https://doi.org/10.1111/maps.13937

    Hamann, C., Piehl, P., Weingart, W., Stolle, D., Al-Sabbagh, D., Ostermann, M., Auer, G., Adam C. (2024) Selective removal of zinc and lead from electric arc furnace dust by chlorination–evaporation reactions. Journal of Hazardous Materials 465, 133421. https://doi.org/10.1016/j.jhazmat.2023.133421

    Hamann, C., Kurosawa, K., Ono, H., Tada, T., Langenhorst, F., Pollok, K., Genda, H., Niihara, T., Okamoto, T., Matsui, T. (2023) Experimental evidence for shear‐induced melting and generation of stishovite in granite at low (<18 GPa) shock pressure. Journal of Geophysical Research: Planets 128, e2023JE007742. https://doi.org/10.1029/2023JE007742

    Ormö, J., Raducan, S.-D., Jutzi, M., Herreros, M. I., Luther, R., Collins, G. S., Wünnemann, K., Mora-Rueda, M., Hamann, C. (2022) Boulder exhumation and segregation by impacts on rubble-pile asteroids. Earth and Planetary Science Letters 594, 117713. https://doi.org/10.1016/j.epsl.2022.117713

    Sadowski, E.-M., Schmidt, A. R., Seyfullah, L. J., Solórzano-Kraemer, M. M., Neumann, C., Perrichot, V., Hamann, C., Milke, R., Nascimbene, P. (2021) Conservation, preparation and imaging of diverse ambers and their inclusions. Earth-Science Reviews 220, 103653. https://doi.org/10.1016/j.earscirev.2021.103653

    Hamann, C., Spanka, M., Stolle, D., Auer, G., Weingart, E., Al-Sabbagh, D., Ostermann, M., Adam, C. (2021) Recycling of blast-furnace sludge by thermochemical treatment with spent iron (II) chloride solution from steel pickling. Journal of Hazardous Materials 402, 123511. https://doi.org/10.1016/j.jhazmat.2020.123511

    Morlok, A., Hamann, C., Martin, D., Weber, I., Joy, K. H., Hiesinger, H., Wogelius, R., Stojic, A., Helbert, J. (2020) Mid-infrared spectroscopy of laser-produced basalt melts for remote sensing application. Icarus 355, 113410. https://doi.org/10.1016/j.icarus.2019.113410

    McKibbin, S., Pittarello, L., Makarona, C., Hamann, C., Hecht, L., Chernonozhkin, S. M., Goderis, S., Claeys, P. (2019) Petrogenesis of main group pallasite meteorites based on relationships among texture, mineralogy, and geochemistry. Meteoritics & Planetary Science. https://doi.org/10.1111/maps.13392

    Hamann, C., Bläsing, S., Hecht, L., Schäffer, S., Deutsch, A., Osterholz, J., Lexow, B. (2018) The reaction of carbonates in contact with laser-generated, superheated silicate melts: Constraining impact metamorphism of carbonate-bearing target rocks. Meteoritics & Planetary Science 53, 1644–1686. https://doi.org/10.1111/maps.13133

    Hamann, C., Fazio, A., Ebert, M., Hecht, L., Wirth, R., Folco, L., Deutsch, A., Reimold, W. U. (2018) Silicate liquid immiscibility in impact melts. Meteoritics & Planetary Science 53, 1594–1632. http://dx.doi.org/10.1111/maps.12907

    Stöffler, D., Hamann, C., Metzler, K. (2017) Schock metamorphism of planetary silicate rocks and sediments: Proposal for an updated classification system. Meteoritics & Planetary Science 53, 5–49. https://doi.org/10.1111/maps.12912

    Ebert, M., Hecht, L., Hamann, C., Luther, R. (2017) Laser-induced melting experiments: Simulation of short-term high-temperature impact processes. Meteoritics & Planetary Science, 52, 1475–1494. http://dx.doi.org/10.1111/maps.12809

    Van Roosbroek, N., Hamann, C., McKibbin, S., Greshake, A., Wirth, R., Pittarello, L., Hecht, L., Claeyes, P., Debaille, V. (2017) Immiscible silicate liquids and phosphoran olivine in Netschaëvo IIE silicate: Analogue for planetesimal core–mantle boundaries. Geochmimica et Cosmochimica Acta, 192, 295–317. http://dx.doi.org/10.1016/j.gca.2016.10.042

    Hamann, C., Luther, R., Ebert, M., Hecht, L., Deutsch, A., Wünnemann, K., Schäffer, S., Osterholz, J., Lexow, B. (2016) Correlating laser-generated melts with impact-generated melts: An integrated thermodynamic–petrologic approach. Geophysical Reserach Letters, 43, 10602–10610. Open Access: http://dx.doi.org/10.1002/2016GL071050

    Hamann, C., Stöffler, D., Reimold, W. U. (2016) Interaction of aluminum projectiles with quartz sand in impact experiments: Formation of khatyrkite (CuAl2) and reduction of SiO2 to Si. Geochmimica et Cosmochimica Acta, 192, 295–317. http://dx.doi.org/10.1016/j.gca.2016.07.018

    Hamann, C., Hecht, L., Ebert, M., Wirth, R. (2013) Chemical projectile–target interaction and liquid immiscibility in impact glass from the Wabar craters, Saudi Arabia. Geochmimica et Cosmochimica Acta, 121, 291–310. http://dx.doi.org/10.1016/j.gca.2013.07.030

  • Aktuelle Forschungsthemen

    • Untersuchug von Weltraumverwitterung von C-Typ-Asteroiden an Proben des Asteroiden Ryugu (in Kooperation mit dem Institut für Planetenforschung, DLR)
    • Petrologie der Ribbeck-Aubrite
    • Untersuchung von Impaktprozessen auf Asteroiden anhand von Meteoriten
    • Entstehung von Impaktschmelzen in Impaktstrukturen auf der Erde
  • Lebenslauf

    Seit 06/2024: Laborleiter, Museum für Naturkunde Berlin, Abteilung Sonnensystem, Impakte & Meteorite

    09/2019 – 05/2024: Post-doc, Museum für Naturkunde Berlin, Abteilung Sonnensystem, Impakte & Meteorite

    06/2018 – 08/2019: Post-doc, Bundesanstalt für Materialforschung und -prüfung, Berlin

    02/2018: Promotion, Titel: "Projectile-target interaction and rapid, high-temperature geochemical processes in impact melts", summa cum laude, Freie Universität Berlin

  • Aufgabengebiete

    Forschungsschwerpunkte

    • Entstehung, Petrologie, und Geochemie von Impaktschmelzen
    • Impaktprozesse auf Asteroiden
    • Zerstörungsfreie Analytik von Meteoriten

    Publikationen (Auswahl)

    Hamann, C., Kurosawa, K., Ono, H., Tada, T., Langenhorst, F., Pollok, K., Genda, H., Niihara, T., Okamoto, T., Matsui, T. (2023) Experimental evidence for shear‐induced melting and generation of stishovite in granite at low (<18 GPa) shock pressure. Journal of Geophysical Research: Planets 128, e2023JE007742. https://doi.org/10.1029/2023JE007742

    Morlok, A., Hamann, C., Martin, D., Weber, I., Joy, K. H., Hiesinger, H., Wogelius, R., Stojic, A., Helbert, J. (2020) Mid-infrared spectroscopy of laser-produced basalt melts for remote sensing application. Icarus 355, 113410. https://doi.org/10.1016/j.icarus.2019.113410

    Hamann, C., Fazio, A., Ebert, M., Hecht, L., Wirth, R., Folco, L., Deutsch, A., Reimold, W. U. (2018) Silicate liquid immiscibility in impact melts. Meteoritics & Planetary Science 53, 1594–1632. http://dx.doi.org/10.1111/maps.12907

    Stöffler, D., Hamann, C., Metzler, K. (2017) Schock metamorphism of planetary silicate rocks and sediments: Proposal for an updated classification system. Meteoritics & Planetary Science 53, 5–49. https://doi.org/10.1111/maps.12912

    Hamann, C., Luther, R., Ebert, M., Hecht, L., Deutsch, A., Wünnemann, K., Schäffer, S., Osterholz, J., Lexow, B. (2016) Correlating laser-generated melts with impact-generated melts: An integrated thermodynamic–petrologic approach. Geophysical Reserach Letters, 43, 10602–10610. Open Access: http://dx.doi.org/10.1002/2016GL071050

    Hamann, C., Hecht, L., Ebert, M., Wirth, R. (2013) Chemical projectile–target interaction and liquid immiscibility in impact glass from the Wabar craters, Saudi Arabia. Geochmimica et Cosmochimica Acta, 121, 291–310. http://dx.doi.org/10.1016/j.gca.2013.07.030