Comparative Mössbauer studies of the Baszkówka ordinary chondrite and some other meteorites

Authors

  • Jolanta Gałązka-Friedman Institute of Physics, Warsaw University of Technology, Koszykowa 75, PL-00-662 Warszawa
  • Erika R. Bauminger Racah Institute of Physics, The Hebrew University, Jerusalem 91904
  • Israel Nowik Racah Institute of Physics, The Hebrew University, Jerusalem 91904
  • Nonna Bakun-Czubarow Institute of Geological Sciences, Polish Academy of Sciences, Twarda 51/55, PL-00-818 Warszawa
  • Marian Stępniewski Polish Geological Institute, Rakowiecka 4, PL-00-975 Warszawa
  • Jacek Siemiątkowski Lower Silesian Branch, Polish Geological Institute, Jaworowa 19, PL-51-122 Wrocław

Keywords:

ordinary chondrites, parent body, Mössbauer spectroscopy, O angle, troilite, kamacite, olivine, pyroxene, weathering, oxidation

Abstract

It was suggested that perhaps Mössbauer parameters of troilite could serve as a criterion for an interpretation of the origin of various meteorites. It was found that  in three  meteorites coming from the same parent body (Baszkówka, Mt. Tazerzait and Songyuan) the angle between the principal axis of the electric field gradient (EFG) and the direction of the magnetic field in troilite is around 60°. Further investigations showed that in some other meteorites,  not belonging to this group, this angle is close to 90°. 

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Published

2012-11-23

Issue

Vol. 45 No. 3 (2001)

Section

Articles

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