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Probing the chemical and mineralogical characteristics of the Martian meteorite NWA 7397 through μRaman and μXRF non-destructively

Published online by Cambridge University Press:  19 February 2018

Bruno Leonardo do Nascimento-Dias Open the ORCID record for Bruno Leonardo do Nascimento-Dias [Opens in a new window] ,
Douglas Galante Open the ORCID record for Douglas Galante [Opens in a new window] ,
Davi Oliveira  and
Marcelino Anjos
Bruno Leonardo do Nascimento-Dias*
Affiliation:
University of state of Rio of Janeiro, Rio de Janeiro, Brazil
Douglas Galante
Affiliation:
Brazilian Synchrotron Light Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, Brazil
Davi Oliveira
Affiliation:
University of state of Rio of Janeiro, Rio de Janeiro, Brazil Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
Marcelino Anjos
Affiliation:
University of state of Rio of Janeiro, Rio de Janeiro, Brazil Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
*
Author for correspondence: Bruno Leonardo do Nascimento-Dias, E-mail: [email protected]
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Abstract

Martian meteorites have valuable information about past geological processes on Mars. In this particular case, the sample used was the Martian meteorite Northwest Africa (NWA) 7397. The main objective was to conduct preliminary analyses of the sample that was able to provide mineralogical characteristics in a non-destructive way. These meteorite NWA 7397 analyses were performed using two analytical techniques, μRaman and μXRF. Through the techniques used it was possible to suggest the presence of chromite, ilmenite, magnetite and forsterite minerals. These minerals seem to have a correspondence to one another in relation to the process that formed them. Thus, the information generated by these analytical techniques can contribute significantly by providing information on the history of Mars in order to have relevance to the areas of Astrobiology and Planetary Sciences.

Keywords

AstrobiologyMarsNWA 7397μRamanμXRF
Type
Research Article
Information
International Journal of Astrobiology , Volume 18 , Issue 1 , February 2019 , pp. 73 - 78
Copyright
Copyright © Cambridge University Press 2018 

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