Mӧssbauer spectroscopy as a useful method for distinguishing between real and false meteorites

In our paper four Mӧssbauer spectra of ordinary chondrites (previously classified by a classical method based on determining the ratio of ferrosilite (Fs) to fayalite (Fa) with an electron microprobe) are presented and discussed. These are the Mӧssbauer spectra of two ordinary chondrites type H (Pul...

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Bibliographic Details
Published in:Hyperfine interactions 2019-12, Vol.240 (1), p.1-11, Article 126
Main Authors: Bogusz, Patrycja, Gałązka-Friedman, Jolanta, Brzózka, Katarzyna, Jakubowska, Martyna, Woźniak, Marek, Karwowski, Łukasz, Duda, Przemysław
Format: Article
Language:English
Subjects:
1-6 September 2019
Atomic
China
Chondrites
Condensed Matter Physics
Dalian
Electron probes
Fayalite
Ferrous alloys
Hadrons
Heavy Ions
Meteorites
Meteors & meteorites
Molecular
Nuclear Physics
Optical and Plasma Physics
Physics
Physics and Astronomy
Proceedings of the International Conference on the Applications of the Mössbauer Effect (ICAME2019)
Spectra
Spectroscopy
Spectrum analysis
Surfaces and Interfaces
Thin Films
Troilite
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Summary:In our paper four Mӧssbauer spectra of ordinary chondrites (previously classified by a classical method based on determining the ratio of ferrosilite (Fs) to fayalite (Fa) with an electron microprobe) are presented and discussed. These are the Mӧssbauer spectra of two ordinary chondrites type H (Pultusk and Grzempach), one ordinary chondrite type L (Hyattville) and one type LL (NWA 6287). These meteorites were compared, using their Mӧssbauer spectra with the following four other samples: a fragment of a rock that fell near Leoncin in Poland (sample No. 1), a fragment of a rock found in the vicinity of Pultusk in Poland (sample No. 2), a meteorite specimen bought on the meteorite exchange (sample No. 3) and a stone object whose decline was observed in Europe (sample No. 4). The spectrum of sample No. 1 is very similar to the spectrum of ordinary chondrite of type LL. This observation was confirmed using 4M method (previously created by us). The spectrum of sample No. 2 differs significantly from the spectrum of sample of the Pultusk meteorite. In the spectrum of sample No. 3, a clear signal from iron-nickel alloy and troilite can be observed. This fact allows us to state that sample No. 3 is a fragment of rock that was created in cosmic conditions. Sample No. 4 has a Mӧssbauer spectrum similar to the spectrum of terrestrial magmatic rocks. This observation does not clearly determine where the examined object comes from. This work demonstrates the usefulness of Mӧssbauer spectroscopy in recognizing samples that are fragments of meteorites.
ISSN:0304-3843
1572-9540
DOI:10.1007/s10751-019-1659-7