Biosignatures & Paleobiology

PTAL Multi-spectral Database Of Planetary Terrestrial Analogues: Raman Data Overview

By Keith Cowing
January 21, 2021
Filed under
PTAL Multi-spectral Database Of Planetary Terrestrial Analogues: Raman Data Overview
Overview of Raman results collected from Grand Canary samples.

The multi analytical study of terrestrial analogues is a useful strategy to deepen the knowledge about the geological and environmental evolution of Mars and other extraterrestrial bodies.

In spite of the increasing importance that LIBS, NIR and Raman techniques are acquiring in the field of space exploration, there is a lack web-based platform providing free access to a wide multi-spectral database of terrestrial analogue materials.

The Planetary Terrestrial Analogue Library (PTAL) project aims at responding to this critical need by developing and providing free web accessibility to LIBS, NIR and Raman data from more than 94 terrestrial analogues selected according to their congruence with Martian geological contexts. In this framework, the present manuscript provides the scientific community with a complete overview of the over 4500 Raman spectra collected to feed the PTAL database.

Raman data, obtained through the complementary use of laboratory and spacecraft-simulator systems, confirmed the effectiveness of this spectroscopic technique for the detection of major and minor mineralogical phases of the samples, the latter being of critical importance for the recognition of geological processes that could have occurred on Mars and other planets. In light of the forthcoming missions to Mars, the results obtained through the RLS ExoMars Simulator offer a valuable insight on the scientific outcome that could derive from the RLS spectrometer that will soon land on Mars as part of the ExoMars rover payload.

Marco Veneranda, Jesus Saiz, Aurelio Sanz-Arranz, Jose Antonio Manrique, Guillermo Lopez-Reyes, Jesus Medina, Henning Dypvik, Stephanie C. Werner, Fernando Rull
Subjects: Earth and Planetary Astrophysics (astro-ph.EP); Instrumentation and Methods for Astrophysics (astro-ph.IM); Materials Science (cond-mat.mtrl-sci)
Journal reference: Journal of Raman Spectroscopy, 2020, 51 (9), 1731-1749
DOI: 10.1002/jrs.5652
Cite as: arXiv:2101.08305 [astro-ph.EP] (or arXiv:2101.08305v1 [astro-ph.EP] for this version)
Submission history
From: Marco Veneranda
[v1] Wed, 20 Jan 2021 20:09:12 UTC (1,191 KB)

Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻