2026-03-05T20:21:05Zhttps://uvadoc.uva.es/oai/request

oai:uvadoc.uva.es:10324/462552025-02-11T18:18:16Zcom_10324_1158com_10324_931com_10324_894col_10324_1242

Veneranda ., Marco fefce13671dce6bc 600 0000-0002-7185-2791 López Reyes, Guillermo Eduardo 9cf968d66b69d0ec 600 0000-0003-1005-1760 Manrique Martínez, José Antonio 351ed544783fb31e 600 0000-0002-2053-2819 Sanz Arranz, José Aurelio 4ee53077d5d4e01f 600 0000-0001-8024-8732 Lalla, Emmanuel Alexis de3af831-0599-4caf-b20b-854d62894cd8 600 Konstantinidis, Menelaos e5bb859d-e0e3-418f-8d6a-b9923b968d19 500 Moral Inza, Andoni Gaizka 470331c8-5ef5-4e8f-9a18-856e6e4c2ee1 600 Medina García, Jesús c27f0a8a7791d5ab 600 Rull Pérez, Fernando 3bdd85b092b4f77a 600 2021-04-19T20:58:26Z 2021-04-19T20:58:26Z 2020 Scientifc Reports, Octubre 2020, vol. 10, n. 16954. p. 1-14 2045-2322 http://uvadoc.uva.es/handle/10324/46255 10.1038/s41598-020-73846-y 1 16954 14 Scientific Reports 10 2045-2322 Producción Científica This work aims to evaluate whether the multi-point analysis the ExoMars Raman Laser Spectrometer (RLS) will perform on powdered samples could serve to classify ultramafc rocks on Mars. To do so, the RLS ExoMars Simulator was used to study terrestrial analogues of Martian peridotites and pyroxenites by applying the operational constraints of the Raman spectrometer onboard the Rosalind Franklin rover. Besides qualitative analysis, RLS-dedicated calibration curves have been built to estimate the relative content of olivine and pyroxenes in the samples. These semi-quantitative results, combined with a rough estimate of the concentration ratio between clino- and ortho-pyroxene mineral phases, were used to classify the terrestrial analogues. XRD data were fnally employed as reference to validate Raman results. As this preliminary work suggests, ultramafc rocks on Mars could be efectively classifed through the chemometric analysis of RLS data sets. After optimization, the proposed chemometric tools could be applied to the study of the volcanic geological areas detected at the ExoMars landing site (Oxia Planum), whose mineralogical composition and geological evolution have not been fully understood Proyecto MINECO Retos de la Sociedad. Ref. ESP2017-87690-C3-1-R Proyecto MINECO Retos de la Sociedad. Ref. ESP2017-87690-C3-1-R application/pdf eng Nature Research Nature Research info:eu-repo/semantics/openAccess Espectroscopia Raman, Quimiometría, Marte, Rocas ExoMars, Espectroscopia Raman, Quimiometría, Rocas Igneas ultramáficas, Marte 2103.03 Espectroscopia 2104.04 Geología Planetaria 2104.07 Planetas 2503.03 Geoquímica Exploratoria 2506.13 Petrología Ignea y Metamórfica ExoMars Raman Laser Spectrometer (RLS): development of chemometric tools to classify ultramafic igneous rocks on Mars info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion SI THUMBNAIL s41598-020-73846-y.pdf.jpg s41598-020-73846-y.pdf.jpg IM Thumbnail image/jpeg 2188 https://uvadoc.uva.es/bitstream/10324/46255/3/s41598-020-73846-y.pdf.jpg 77776706a71a3fb30215bad6f287484f MD5 3 LICENSE license.txt license.txt text/plain 3926 https://uvadoc.uva.es/bitstream/10324/46255/2/license.txt 017313583e37a1e4d1253e1ef6c66c6c MD5 2 ORIGINAL s41598-020-73846-y.pdf s41598-020-73846-y.pdf application/pdf 2352937 https://uvadoc.uva.es/bitstream/10324/46255/1/s41598-020-73846-y.pdf 2539ac75a7520b51bb6f8f29efd9bd31 MD5 1 10324/46255 oai:uvadoc.uva.es:10324/46255 2025-02-11 19:18:16.734 UVaDOC repositorio@uva.es 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