2026-04-27T07:05:02Zhttps://uvadoc.uva.es/oai/request

oai:uvadoc.uva.es:10324/462582025-02-11T18:18:34Zcom_10324_1158com_10324_931com_10324_894col_10324_1242

ExoMars Raman Laser Spectrometer: A Tool for the Potential Recognition of Wet-Target Craters on Mars Veneranda ., Marco López Reyes, Guillermo Eduardo Manrique Martínez, José Antonio Medina García, Jesús Ruiz Galende, Patricia Torre Fernández, Imanol Castro, Kepa Lantz, Cateline Poulet, Francois Dypvik, Henning Werner, Stephanie C. Rull Pérez, Fernando In the present work, NIR, LIBS, Raman and XRD techniques have been complementarily used to carry out a comprehensive characterization of a terrestrial analogue selected from the Chesapeake Bay Impact Structure (CBIS). The obtained data clearly highlight the key role of Raman spectroscopy in the detection of minor and trace compounds, through which inferences about geological processes occurred in the CBIS can be extrapolated. Beside the use of commercial systems, further Raman analyses were performed by the Raman Laser Spectrometer (RLS) ExoMars Simulator. This instrument representsthe most reliable tool to effectively predict the scientific capabilities of the ExoMars/Raman system that will be deployed on Mars in 2021. By emulating the analytical procedures and operational restrictions established by the ExoMars mission rover design, it was proved that the RLS ExoMars Simulator is able to detect the amorphization of quartz, which constitutes an analytical clue of the impact origin of craters. On the other hand, the detection of barite and siderite, compounds crystallizing under hydrothermal conditions, helps to indirectly confirm the presence of water in impact targets. Furthermore, the RLS ExoMars Simulator capability of performing smart molecular mappings was also evaluated. According to the obtained results, the algorithms developed for its operation provide a great analytical advantage over most of the automatic analysis systems employed by commercial Raman instruments, encouraging its application for many additional scientific and commercial purposes. 2021-04-19T22:59:05Z 2021-04-19T22:59:05Z 2020 info:eu-repo/semantics/article Astrobiology, 2020, Vol. 20, n. 3, p. 349-363 1531-1074 http://uvadoc.uva.es/handle/10324/46258 10.1089/ast.2019.2095 349 3 363 Astrobiology 20 1557-8070 eng info:eu-repo/semantics/openAccess Mary Ann Liebert, Inc. SI