Explanipedia

Manganese-rich sandstones as an indicator of ancient oxic lake water conditions in Gale crater, Mars Open

P. J. Gasda, N. Lanza, Pierre-Yves Meslin, Sarah Lamm, A. Cousin , et al. · 2024

Geology Chemistry Physics

Manganese has been observed on Mars by the NASA Curiosity rover in a variety of contexts and is an important indicator of redox processes in hydrologic systems on Earth. Within the Murray formation, an ancient primarily fine-grained lacust…

Manganese‐Rich Sandstones as an Indicator of Ancient Oxic Lake Water Conditions in Gale Crater, Mars Open

P. J. Gasda, N. Lanza, Pierre‐Yves Meslin, Sarah Lamm, A. Cousin , et al. · 2024

Geology Chemistry Physics

Manganese has been observed on Mars by the NASA Curiosity rover in a variety of contexts and is an important indicator of redox processes in hydrologic systems on Earth. Within the Murray formation, an ancient primarily fine‐grained lacust…

THE AMAPARI MARKER BAND, GALE CRATER, MARS: METAL ENRICHMENTS AND POTENTIAL MECHANISMS OF FORMATION Open

P. J. Gasda, Edwin S. Kite, L. M. Thompson, Claire A. Mondro, W. E. Dietrich , et al. · 2024

Geology Physics

International audience

Properties of the Nili Fossae Olivine-rich lithology: orbital and in situ at Séítah Open

A. J. Brown, Linda C. Kah, Lucia Mandon, R. C. Wiens, P. Pinet , et al. · 2023

Geology Chemistry Physics

We have studied the properties of the Nili Fossae olivine lithology from orbital data and in situ by the Mars 2020 rover at the Séítah unit in Jezero crater. We used the geochemistry collected by the rover’s instruments to calculate the vi…

Manganese-Iron Phosphate Nodules at the Groken Site, Gale Crater, Mars Open

A. H. Treiman, N. Lanza, S. J. VanBommel, J. A. Berger, R. C. Wiens , et al. · 2023

Geology Chemistry

The MSL Curiosity rover investigated dark, Mn-P-enriched nodules in shallow lacustrine/fluvial sediments at the Groken site in Glen Torridon, Gale Crater, Mars. Applying all relevant information from the rover, the nodules are interpreted …

Dataset for the manuscript Manganese-rich sandstones as an indicator of ancient oxic lake water conditions in Gale crater, Mars Open

P. J. Gasda, N. Lanza, Pierre‐Yves Meslin, Sarah Lamm, A. Cousin , et al. · 2023

Geology Geography Biology

This file is a csv file containing the average composition of rocks in the Murray formation in Gale crater, as determined by ChemCam, and metadata, for the manuscript Manganese-rich sandstones as an indicator of ancient oxic lake water con…

Properties of the Nili Fossae Olivine-phyllosilicate-carbonate lithology: orbital and in situ at Séítah Open

A. J. Brown, Linda C. Kah, Lucia Mandon, R. C. Wiens, P. Pinet , et al. · 2023

Geology Materials science Physics

We have studied the observed properties of the Nili Fossae olivine-phyllosilicate-carbonate lithology from orbital data and in situ by the Mars 2020 rover at the Séítah unit in Jezero crater, including: 1) composition 2) grain size 3) infe…

Dataset for the manuscript Manganese-rich sandstones as an indicator of ancient oxic lake water conditions in Gale crater, Mars Open

P. J. Gasda, N. Lanza, Pierre‐Yves Meslin, Sarah Lamm, A. Cousin , et al. · 2023

Geology Chemistry Physics

This file is a csv file containing the average composition of rocks in the Murray formation in Gale crater, as determined by ChemCam, and metadata, for the manuscript Manganese-rich sandstones as an indicator of ancient oxic lake water con…

Dataset for the manuscript Manganese-rich sandstones as an indicator of ancient oxic lake water conditions in Gale crater, Mars Open

P. J. Gasda, N. Lanza, Pierre‐Yves Meslin, Sarah Lamm, A. Cousin , et al. · 2023

Geology Geography Chemistry

This file is a csv file containing the average composition of rocks in the Murray formation in Gale crater, as determined by ChemCam, and metadata, for the manuscript Manganese-rich sandstones as an indicator of ancient oxic lake water con…

Properties of the Nili Fossae Olivine-clay-carbonate lithology: orbital and in situ at Séítah Open

Adrian J. Brown, Linda C. Kah, Lucia Mandon, R. C. Wiens, P. Pinet , et al. · 2022

Geology Chemistry Physics

We examine the observed properties of the Nili Fossae olivine-clay-carbonate lithology from orbital data and in situ by the Mars 2020 rover at the Séítah unit in Jezero crater, including: 1) composition (Liu, 2022) 2) grain size (Tice, 202…

Overview of the Morphology and Chemistry of Diagenetic Features in the Clay‐Rich Glen Torridon Unit of Gale Crater, Mars Open

P. J. Gasda, Jade Comellas, Ari Essunfeld, Debarati Das, A. B. Bryk , et al. · 2022

Geology Physics

The clay‐rich Glen Torridon region of Gale crater, Mars, was explored between sols 2300 and 3007. Here, we analyzed the diagenetic features observed by Curiosity , including veins, cements, nodules, and nodular bedrock, using the ChemCam, …

Grouping chemcam targets by visual characteristics improved by automatic partitioning Open

Ari Essunfeld, Jade Comellas, P. J. Gasda, Diane Oyen, N. Lanza , et al. · 2022

Computer science

International audience

Comparison of Manganese Abundance in Gale and Jezero Craters Open

P. J. Gasda, Jade Comellas, Ari Essunfeld, N. Lanza, R Anderson , et al. · 2022

Biology Materials science

International audience

Evidence of multiple fluid events in elevated-mn chemcam targets in the brad-bury rise, gale crater, mars Open

Jade Comellas, Ari Essunfeld, R.A. Morris, N. Lanza, P. J. Gasda , et al. · 2022

Geology Physics

International audience

SuperCam on the Perseverance Rover for Exploration of Jezero Crater: Remote LIBS, VISIR, Raman, and Time-Resolved Luminescence Spectroscopies Plus Micro-Imaging and Acoustics Open

R. C. Wiens, S. Maurice, O. Gasnault, R. B. Anderson, Olivier Beyssac , et al. · 2021

Geology Materials science Physics

International audience

Chemistry of manganese-bearing materials at the groken drill Site, Gale Crater, Mars Open

N. Lanza, P. J. Gasda, Ari Essunfeld, Jade Comellas, Gwénaël Caravaca , et al. · 2021

Chemistry Geology Materials science

International audience

KARVE: A Nanoparticle Accelerator for Space Thruster Applications Open

John Lewellen, L. R. Danielson, Ari Essunfeld, Jennifer A. Hollingsworth, Michael Holloway , et al. · 2021

Physics Computer science Engineering

We present a concept for using RF-based acceleration of nanoparticles (NPs) as a means of generating thrust for future space missions: the Kinetic Acceleration Resource Vector Engine (KARVE) thruster. Acceleration of nanoparticles (NPs) vi…

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