Estudio mineralógico mediante técnicas espectroscópicas (Raman-FTIR-DRX-FRX) de muestras volcánicas de la zona de Chamorga (Tenerife, España)

  1. Emmanuel A. Lalla 1
  2. Aurelio Sanz-Arranz 2
  3. Guillermo Lopez-Reyes 2
  4. Menelaos Konstantinidis 1
  5. Marco Veneranda 2
  6. Roberto Aquilano 3
  7. Fernando Rull 2
  8. María Aznar 4
  9. Jesús Medina 2
  10. Jesús Martínez-Frías 5
  1. 1 York University (Canadá)
    info

    York University (Canadá)

    Toronto, Canadá

    ROR https://ror.org/05fq50484

  2. 2 Centro de Astrobiología
    info

    Centro de Astrobiología

    Madrid, España

    ROR https://ror.org/038szmr31

  3. 3 Universidad Nacional de Rosario
    info

    Universidad Nacional de Rosario

    Rosario, Argentina

    ROR https://ror.org/02tphfq59

  4. 4 University of Cape Verde
    info

    University of Cape Verde

    Praia, Cabo Verde

    ROR https://ror.org/001fphc23

  5. 5 Instituto de Geociencias
    info

    Instituto de Geociencias

    Madrid, España

    ROR https://ror.org/04qan0m84

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Journal:
Revista de la Sociedad Geológica de España

ISSN: 0214-2708

Year of publication: 2020

Volume: 33

Issue: 1

Pages: 71-93

Type: Article

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Abstract

In the present work, the mineralogy of the Chamorga outcrop (Tenerife, Canary Islands, Spain) has been studied by means of combining Raman-infrared spectroscopy (through laboratory instrumentation and the ExoMars Raman Laser spectrometer simulator (RLS)), X ray diffraction (XRD) and X ray fluorescence (XRF) (through portable systems). The research carried out, which includes a field-trip analysis and laboratory studies, is focused on the mineralogical characterization of terrestrial analogs. We have detected and analyzed iron-oxides, titanium-oxides, chromium-oxides, silica, phosphates, pyroxenes, plagioclases, K-feldspars, zeolites, clays, and organics (through carbonaceous material). The applied Raman methodology allowed us to carry out a full characterization of the samples’ mineralogy. Also, we have conducted a mineralogical semi-quantification (RIR) of samples by XRD that also includes the detection of elements such as Ca, Mn, Ti, and Fe obtained through XRF. The results obtained are: 1) the Raman characterization of the primary and secondary minerals; 2) the mineralogical comparison of the analog site with other nearby regions for constructing a database; 3) substantiate the importance of vibrational spectroscopy on planetary missions; 4) highlight the need to carry out this line on research for future testing of the prototypes in the field such as the ExoMars rover; and 5) to propose the Chamorga outcrop in combination with related outcrops of the Anaga Massif as a possible region of interest for a planetary database of terrestrial analogs and a possible place for astronaut simulated missions, given their mineralogy and geomorphology.

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Funding information

El apoyo econ?mico prestado para este proyecto ha sido a trav?s de los proyectos de investigaci?n AYA2008-04529-ES y AYA2011-30291-C02-01 del MINECO. El primer autor desea agradecer al Ontario Centres of Excellence por la financiaci?n TalentEdge Postdoctoral Fellowship en York University (Toronto, Canada). Finalmente, agradecen especialmente la ayuda y el apoyo prestado por los revisores an?nimos y la editora durante el proceso de revisi?n y edici?n.

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