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Personal profile


My research is focused on analyzing and interpreting petrographic and chemical features of meteorites, and where I am particularly interested in a group of puzzling stony-iron meteorites called mesosiderites.

My current Ph.D. project is aimed at investigating numerous unstudied mesosiderites to answer three main questions:

  1. What role did impacts and shock metamorphism play in the formation and evolution of mesosiderites?
  2. Where within the solar system do mesosiderites come from, and do they have a common excavation event with the HED meteorites?
  3. When did the mesosiderites form, and where did the metal come from?

I will utilize several methods to try to answer these questions:

  • Polarized microscopy (Lund)
  • SEM-EDS/EBSD (Lund)
  • Noble gas and radionuclide mass spectrometry (Switzerland and USA)
  • Hf-W geochronology using MC-ICPMS (USA)

UKÄ subject classification

  • Geology
  • Geochemistry

Free keywords

  • meteorites
  • petrology
  • metamorphic petrology
  • meteoritics
  • shock metamorphism
  • cosmogenic radionuclides
  • cosmochemistry
  • EBSD
  • Hf-W
  • geochemistry
  • SEM
  • polarized microscopy
  • mesosiderites


Dive into the research topics where Gabriel Zachén is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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