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Updated: Nov 28, 2025

Scattering And Absorption of Light in Planetary Regoliths
Published on: July 1, 2019
Bjurböle L/LL4 ordinary chondrite properties studied by Raman spectroscopy, X-ray diffraction, magnetization
A A Maksimova1, E V Petrova2, A V Chukin2
1Institute of Physics and Technology, Ural Federal University, Ekaterinburg 620002, Russian Federation; The Zavaritsky Institute of Geology and Geochemistry of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620016, Russian Federation.
This study analyzed the Bjurböle meteorite using multiple techniques to determine its mineral composition and iron distribution. Findings suggest Bjurböle ordinary chondrite is closely related to the LL group.
Area of Science:
- Cosmochemistry
- Mineral Physics
- Planetary Science
Background:
- Ordinary chondrites provide insights into early solar system processes.
- Understanding mineral composition and iron distribution is crucial for meteorite classification.
Purpose of the Study:
- To characterize the Bjurböle L/LL4 ordinary chondrite.
- Determine phase composition and iron distribution using advanced analytical techniques.
- Classify Bjurböle based on its mineralogical and magnetic properties.
Main Methods:
- Scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS)
- Raman spectroscopy
- X-ray diffraction (XRD)
- Magnetization measurements
- Mössbauer spectroscopy
Main Results:
- Unit cell parameters of silicates are typical for ordinary chondrites.
- Raman spectroscopy indicated higher forsterite and enstatite content.
- Magnetization data revealed a ferrimagnetic-paramagnetic transition in chromite at ~57 K.
- Mössbauer spectroscopy provided detailed 57Fe hyperfine parameters for iron-bearing phases.
- Equilibrium cation distribution temperatures for olivine and orthopyroxene were determined.
Conclusions:
- The combined data from XRD, magnetic, and Mössbauer spectroscopy support classifying Bjurböle as an LL ordinary chondrite.
- The study refines understanding of iron partitioning in ordinary chondrites.
- Detailed mineralogical analysis contributes to meteorite classification schemes.
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