Comparison of iron-bearing minerals in ordinary chondrites from H, L and LL groups using Mössbauer spectroscopy with a high velocity resolution

Maksimova, A. A.; Оштрах, М. И.; Petrova, E. V.; Grokhovsky, V. I.; Semionkin, V. A.

doi:10.1016/j.saa.2016.04.032

Cited by 30 publications

(34 citation statements)

References 29 publications

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“…The values of hyperfine parameters of these spectral components (Table ) are in agreement with those recently obtained for corresponding phases in H, L, and LL ordinary chondrites (Maksimova et al. , , ; Oshtrakh et al. ).…”

Section: Resultssupporting

confidence: 91%

“…The total relative area (relative part) of the M€ ossbauer spectral components associated with Fe-Ni-Co alloy is significantly (~53%) larger than this value found in the range~10-20% in the M€ ossbauer spectra of some other H ordinary chondrites by Oshtrakh et al (2008) and Maksimova et al (2017). The absorption effect of the overlapped magnetic sextets related to Fe-Ni-Co alloy is smaller than that for the troilite magnetic sextet in the above-mentioned studies.…”

Section: Mineralogy and Physical Propertiesmentioning

confidence: 60%

“…() and Maksimova et al. (). The absorption effect of the overlapped magnetic sextets related to Fe‐Ni‐Co alloy is smaller than that for the troilite magnetic sextet in the above‐mentioned studies.…”

Section: Discussionmentioning

confidence: 98%

“…The M€ ossbauer spectrum was fitted with the least squares procedure using the UNIVEM-MS program with a Lorentzian line shape. A new approach to fit the troilite magnetic spectral component using the simulation of the full static Hamiltonian was applied as already reported by Maksimova et al (2016bMaksimova et al ( , 2017. Spectral parameters such as isomer shift (d), quadrupole splitting (quadrupole shift for magnetically split components) (DE Q ), magnetic hyperfine field (H eff ), line width (Γ), relative area of spectral components (A), and statistical criterion (v 2 ) were determined.…”

Section: M€ Ossbauer Spectroscopy and Magnetization Measurementsmentioning

confidence: 99%

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Annama H chondrite—Mineralogy, physical properties, cosmic ray exposure, and parent body history

Kohout

Haloda

Halodová

et al. 2017

Meteorit & Planetary Scien

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The fall of the Annama meteorite occurred early morning (local time) on April 19, 2014 on the Kola Peninsula (Russia). Based on mineralogy and physical properties, Annama is a typical H chondri te. It has a high Ar-Ar age of 4.4 Ga. Its cosmic ray exposure history is atypical as it is not part of the large group of H chondrites with a prominent 7 -8 Ma peak in the exposure age histograms. Instead, its exposure age is within uncertainty of a smal ler peak at 30 ±4 Ma. The results from short-lived radionuclides are compatible with an atmosperic pre-entry radius of 30 -40 cm. However, based on noble gas and cosmogenic radionuclide data, Annama must have been part of a larger body (radius >65 cm) for a large part of its cosmic ray exposure history. The 10 Be concentration indicates a recent (3 -5 Ma) breakup which may be responsible for the Annama parent body size reduction to 30 -35 cm pre-entry radius.

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Section: Resultssupporting

confidence: 91%

Section: Mineralogy and Physical Propertiesmentioning

confidence: 60%

Section: Discussionmentioning

confidence: 98%

Section: M€ Ossbauer Spectroscopy and Magnetization Measurementsmentioning

confidence: 99%

See 2 more Smart Citations

Annama H chondrite—Mineralogy, physical properties, cosmic ray exposure, and parent body history

Kohout

Haloda

Halodová

et al. 2017

Meteorit & Planetary Scien

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show abstract

“…Using this method they were able to classify the meteorite Itawa-Bhopij fallen in India in 2000 as ordinary chondrite type L The systematics of the Mössbauer absorption area was also applied for confirmation of the type of the ordinary chondrite Lynch 001 by a group from Australia [5]. This method was also applied by Maksimowa et al [6] for ordinary chondrites measured with a high velocity resolution.…”

Section: Introductionmentioning

confidence: 99%

Mössbauer spectroscopy—a useful method for classification of meteorites?

et al. 2017

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The aim of our studies was to check the usefulness of Mössbauer spectroscopy for preliminary classification of ordinary chondrites. Mössbauer spectra of 50 samples of ordinary chondrites (type LL, L and H) obtained at room temperature were analyzed. 35 Mössbauer spectra were obtained in our laboratory, the other spectra were taken from the literature. The conclusion of our study was, that the most useful way for the preliminary classification of the ordinary chondrites is the application of two types of plots based on the data obtained by Mössbauer spectroscopy. One type of these plots is a linear plot which was used for the identification of the samples which are unrepresentative. The second type of these plots is a plot of "spectral area of the olivine" vs "spectral area of the metallic phase". This last one was used for the identification of two unknown meteorites.

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The 57Fe hyperfine interactions in the iron-bearing phases in some LL ordinary chondrites

et al. 2016

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Comparison of iron-bearing minerals in ordinary chondrites from H, L and LL groups using Mössbauer spectroscopy with a high velocity resolution

Cited by 30 publications

References 29 publications

Annama H chondrite—Mineralogy, physical properties, cosmic ray exposure, and parent body history

Annama H chondrite—Mineralogy, physical properties, cosmic ray exposure, and parent body history

Mössbauer spectroscopy—a useful method for classification of meteorites?

The 57Fe hyperfine interactions in the iron-bearing phases in some LL ordinary chondrites

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