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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/47963

    Título
    Raman semi-quantification on Mars: ExoMars RLS system as a tool to better comprehend the geological evolution of martian crust
    Autor
    Veneranda ., MarcoAutoridad UVA Orcid
    Manrique Martínez, José AntonioAutoridad UVA Orcid
    García Prieto, Clara
    Sanz Arranz, José AurelioAutoridad UVA Orcid
    Sáiz, Jesús
    Lalla, Emmanuel Alexis
    Konstantinidis, Menelaos
    Moral Inza, Andoni Gaizka
    Medina García, JesúsAutoridad UVA
    Rull Pérez, FernandoAutoridad UVA
    López Reyes, Guillermo EduardoAutoridad UVA Orcid
    Año del Documento
    2021
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Icarus, 2021, vol. 367, 114542
    Zusammenfassung
    This work presents the latest chemometric tools developed by the RLS science team to optimize the scientific outcome of the Raman system onboard the ExoMars 2022 rover. Feldspar, pyroxene and olivine samples were first analyzed through the RLS ExoMars Simulator to determine the spectroscopic indicators to be used for a proper discrimination of mineral phases on Mars. Being the main components of Martian basaltic rocks, lepidocrocite, augite and forsterite were then used as mineral proxies to prepare binary mixtures. By emulating the operational constraints of the RLS, Raman datasets gathered from laboratory mixtures were used to build external calibration curves. Providing excellent coefficients of determination (R2 0.9942÷0.9997), binary curves were finally used to semi-quantify ternary mixtures of feldspar, pyroxene and olivine minerals. As Raman results are in good agreement with real concentration values, this work suggests the RLS could be effectively used to perform semi-quantitative mineralogical studies of the basaltic geological units found at Oxia Planum. As such, crucial information about the geological evolution of Martian Crust could be extrapolated. In light of the outstanding scientific impact this analytical method could have for the ExoMars mission, further methodological improvements to be discussed in a dedicated work are finally proposed.
    Palabras Clave
    Raman spectroscopy
    Espectroscopia Raman
    Chemometrics
    Quimiometría
    ExoMars mission
    Misión ExoMars
    ISSN
    0019-1035
    Revisión por pares
    SI
    DOI
    10.1016/j.icarus.2021.114542
    Patrocinador
    Consejo Europeo de Investigación (grant 687302)
    Ministerio de Economía, Industria y Competitividad (grants PID2019-107442RB-C31 and RDE2018-102600-T)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0019103521002153?via%3Dihub
    Propietario de los Derechos
    © 2021 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/47963
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP32 - Artículos de revista [284]
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    Dateien zu dieser Ressource
    Nombre:
    Raman-semi-quantification-Mars.pdf
    Tamaño:
    1.996Mb
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