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Gamma spectrometry for archaeology

Using our low-background gamma spectrometer GeMSE for an interdisciplinary project with geologists and archeologists, we could proof that the iron used to produce an arrowhead in the Bronze Age is of extraterrestrial origin: most likely it comes from an iron meteorite that impacted on Estonia.
Gamma spectrometry for archaeology

The Mörigen arrowhead

Link to the press release of the University of Freiburg:

 

Our low-background activities

 

Publication

  • An arrowhead made of meteoritic iron from the Late Bronze age settlement of Mörigen, Switzerland and its Possible Source
    B.A. Hofmann, S. Bolliger, S. Biswas, L. Gerchow, D. Baur, M. Schumann, S. Lindemann, D. Ramírez García, P. Lanari, F. Gfeller, C. Vigo, Carlos, D. Das, F. Hotz, K. von Schoeler, K. Ninomiya, M. Niikura, N. Ritjoho, A. Amato
    Journal of Archaeological Science 157, 105827 (2023)

Media Coverage

The publication of the results on the Mörigen arrowhead created a lot of attention by national and international media. Here is a list (certainly non-complete):

TV - Germany
Press - Germany
Science Magazines - Germany
Archaeology Magazines - Germany
TV - Switzerland
Press - Switzerland
France
Italy
Luxembourg