Carbonate Detection with SuperCam in Igneous Rocks on the floor of Jezero Crater, Mars
- Clavé, E.
- Benzerara, K.
- Meslin, P.‐Y.
- Forni, O.
- Royer, C.
- Mandon, L.
- Beck, P.
- Quantin‐Nataf, C.
- Beyssac, O.
- Cousin, A.
- Bousquet, B.
- Wiens, R.C.
- Maurice, S.
- Dehouck, E.
- Schröder, Susanne
- Gasnault, O.
- Mangold, N.
- Dromart, G.
- Bosak, T.
- Bernard, S.
- Udry, A.
- Anderson, R.B.
- Arana, G.
- Brown, A.J.
- Castro, K.
- Clegg, S.M.
- Cloutis, E.
- Fairén, A.G.
- Flannery, D.T.
- Gasda, P.J.
- Johnson, J.R.
- Lasue, J.
- Lopez‐Reyes, G.
- Madariaga, J.M.
- Manrique, J.A.
- Le Mouélic, S.
- Núñez, J.I.
- Ollila, A.M.
- Pilleri, P.
- Pilorget, C.
- Pinet, P.
- Poulet, F.
- Veneranda, M.
- Wolf, Z.U.
DOIAbstract
Perseverance explored two geological units on the floor of Jezero Crater over the first 420 Martian days of the Mars2020 mission. These units, the Máaz and Séítah formations, are interpreted to be igneous in origin, with traces of alteration. We report the detection of carbonate phases along the rover traverse based on laser-induced breakdown spectroscopy (LIBS), infrared reflectance spectroscopy (IRS), and time-resolved Raman (TRR) spectroscopy by the SuperCam instrument. Carbonates are identified through direct detection of vibrational modes of CO3 functional groups (IRS and TRR), major oxides content, and ratios of C and O signal intensities (LIBS). In Séítah, the carbonates are consistent with magnesite-siderite solid solutions (Mg# of ...
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