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Moon Meteorite Dar al Gani 400: Utilizing Mössbauer and Raman Spectroscopy for Extraterrestrial Research

  • René Groß*
  • , Christoph Wetzel
  • , Lei Zheng
  • , Christoph Kahra
  • , Justus Pawlak
  • , Kevin Tran
  • , Maximilian Seydi Kilic
  • , Harald Gaber
  • , Bernhard Roth
  • , Franz Renz
  • *Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer review

Abstract

Spaceagenciesworldwideareseekingpromisinganalyticaltoolsor
novel combinations of established techniques to broaden our understanding of
extraterrestrial processes. The constraints for extraterrestrial missions are quite
highintermsofvolume,mass,powerconsumption,radiationresistanceanddata
transmissionoftheinstrumentsused.Inthiswork,theDaralGani400meteorite
(DAG 400), which was found in 1998 in the respective meteorite field in the
Libyan Sahara, is utilized as a model for extraterrestrial research employing
MössbauerandRamanspectroscopy.Inaddition,opticalandX-raymicroscopic
(XRM)investigationswerecarriedout,whichprovidedimagesofthesurfaceand
interior of the meteorite, respectively, and further supported the results.For
Mössbauer spectroscopy, the miniaturized Mössbauer spectrometer MIMOS II,
which has already gained recognition in extraterrestrial research on Mars, was
employedforphasedetermination.Thisfindingservesasacrucialdemonstration
thattheminiaturizedMössbauerspectrometerMIMOSIIiswell-suitedforfuturespacemissionsandtheanalysisofextraterrestrial
materials.Notably, this study represents a novel application of Mössbauer spectroscopy in the analysis of DAG 400. The present
studydemonstratesthefeasibilityofphaseassignmentthroughtheanalysisofDAG400,anditunderscoresthepotentialforfurther
insightsthroughthedeterminationofoxidationstatesandmineralogicalcomposition.Ourworkalsounderscoresthepivotalroleof
multimodalandcomplementaryanalyticalmethodologiesinthisdomain.
Original languageEnglish
Pages (from-to)1893–1904
Number of pages12
JournalACS Earth and Space Chemistry
Volume9
Issue number7
E-pub ahead of print23 Jun 2025
DOIs
Publication statusPublished - 17 Jul 2025

Keywords

  • DAG 400
  • MIMOS II
  • moon meteorite
  • Mössbauer spectroscopy

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Atmospheric Science
  • Space and Planetary Science

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