European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 35, issue 4
Articles | Volume 35, issue 4
https://doi.org/10.5194/ejm-35-665-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/ejm-35-665-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 35, issue 4
Research article
 | 
21 Aug 2023
Research article |  | 21 Aug 2023

First measurements of the Fe oxidation state of spinel inclusions in olivine single crystals from Vulture (Italy) with the in situ synchrotron micro-Mössbauer technique

Giulia Marras, Gabriele Carnevale, Antonio Caracausi, Silvio Giuseppe Rotolo, and Vincenzo Stagno

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Short summary
We present the first determinations of the Fe oxidation state of tiny spinel inclusions (<40 µm) in olivine from a wehrlitic lapillus collected at Mt. Vulture (Italy) via in situ synchrotron Mössbauer spectroscopy. These data, along with the chemistry of olivine and (rare) orthopyroxene, allowed us to calculate the logfO2 of the wehrlitic sample. This study opens the possibility to retrieve the redox state of mantle xenoliths using the Fe3+ / ∑Fe and chemistry of spinel inclusions in olivine.
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