B. Bultel
YOU?
Author Swipe
View article: Deciphering the alteration processes by micro-scale characterization of vermiculite-rich sample from Granby Tuff, an analogue to Noachian clay deposits at Oxia Planum
Deciphering the alteration processes by micro-scale characterization of vermiculite-rich sample from Granby Tuff, an analogue to Noachian clay deposits at Oxia Planum Open
Introduction: ESA and NASA will launch ExoMars Rosalind Franklin rover mission to Oxia Planum on Mars. Oxia is a Noachian, phyllosilicate-bearing plainM located between Mawrth Vallis and Ares Vallis [1]. ExoMars will be first mission to pe…
View article: Aqueous Alteration as an Origin of Martian Magnetization
Aqueous Alteration as an Origin of Martian Magnetization Open
Strong magnetic fields have been measured from orbit around Mars over parts of the ancient southern highlands crust and on the surface at the InSight landing site. The geological processes that are responsible for generating strong magneti…
View article: Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications
Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications Open
The goal of this white paper is to provide a snapshot of the data availability and data needs primarily for the Ariel space mission, but also for related atmospheric studies of exoplanets and brown dwarfs. It covers the following data-rela…
View article: The high-resolution map of Oxia Planum, Mars; the landing site of the ExoMars Rosalind Franklin rover mission
The high-resolution map of Oxia Planum, Mars; the landing site of the ExoMars Rosalind Franklin rover mission Open
This 1:30,000 scale geological map describes Oxia Planum, Mars, the landing site for the ExoMars Rosalind Franklin rover mission. The map represents our current understanding of bedrock units and their relationships prior to Rosalind Frank…
View article: Data availability and requirements relevant for the <i>Ariel</i> space mission and other exoplanet atmosphere applications
Data availability and requirements relevant for the <i>Ariel</i> space mission and other exoplanet atmosphere applications Open
The goal of this white paper is to provide a snapshot of the data availability and data needs primarily for the Ariel space mission, but also for related atmospheric studies of exoplanets and cool stars. It covers the following data-relate…
View article: Aqueous alteration as an origin of Martian magnetization
Aqueous alteration as an origin of Martian magnetization Open
Aqueous alteration as an origin of Martian magnetization, for figures.
View article: Aqueous alteration as an origin of Martian magnetization
Aqueous alteration as an origin of Martian magnetization Open
Aqueous alteration as an origin of Martian magnetization, for figures.
View article: Sample-based Spectral Mapping around Landing Sites on the Moon—Lunar Timescale Part 1
Sample-based Spectral Mapping around Landing Sites on the Moon—Lunar Timescale Part 1 Open
Studying the geology of a terrestrial body and its evolution requires being able to set up a chronology. Crater statistics is a powerful tool to do so. However, calibration of this method, which is derived on the Moon, requires properly de…
View article: Review and Revision of the Lunar Cratering Chronology—Lunar Timescale Part 2
Review and Revision of the Lunar Cratering Chronology—Lunar Timescale Part 2 Open
Times and rates of planetary surface-modifying processes are crucial for the sequence and correlation of events on planetary bodies. For most planetary surfaces, superposition principles and crater densities are commonly used methods to co…
View article: Analogues for Martian crustal and aqueous processes: Lessons learnt from mineralogy and geochemistry of rocks in the PTAL collection.
Analogues for Martian crustal and aqueous processes: Lessons learnt from mineralogy and geochemistry of rocks in the PTAL collection. Open
<p>Planetary Terrestrial Analogue Library (PTAL) is a newly built collection of rocks and spectral data aiming to support interpretation of data from Mars and small bodies of the Solar System [1]. It contains spectral data by NIR, Ra…
View article: Micro-scale characterization of vermiculite-rich sample from Granby Tuff, an analogue to Oxia Planum clays
Micro-scale characterization of vermiculite-rich sample from Granby Tuff, an analogue to Oxia Planum clays Open
<p>In 2022, ESA/ROSCOSMOS will launch ExoMars2022 rover mission to Mars. The selected landing site for the mission is Oxia Planum, a Noachian, phyllosilicate-bearing plain located between Mawrth Vallis and Ares Vallis. The Fe,Mg-rich…
View article: 200 million year stratigraphic time-shift on the Moon&#160;
200 million year stratigraphic time-shift on the Moon  Open
<p>Global scale temporal assignments for planetary surfaces are made based on craters statistics. Age assignments require a cratering chronology model that links normalized crater frequencies and sample ages. A challenge is that rock…
View article: Orientale Ejecta at the Apollo 14 Landing Site Implies a 200-million-year Stratigraphic Time Shift on the Moon
Orientale Ejecta at the Apollo 14 Landing Site Implies a 200-million-year Stratigraphic Time Shift on the Moon Open
Detailed spectral mapping, cratering statistics, and impact basin ejecta column estimates document a new and very different stratigraphic relationship for the Apollo 14 landing site. We observe a resurfacing event in the crater size–freque…
View article: Leka Ophiolite Complex as analogy to the serpentinization-carbonation system on Mars.
Leka Ophiolite Complex as analogy to the serpentinization-carbonation system on Mars. Open
Serpentinization and carbonation have affected ultramafic rocks on Noachian Mars in several places called here serpentinization-carbonation systems (SCS). Among the most prominent SCS revealing mineral assemblages characteristic of serpent…
View article: Spectral study of Fe-rich vermiculite bearing rocks and implications for mineralogy of Oxia Planum, ExoMars 2022 Rover landing site
Spectral study of Fe-rich vermiculite bearing rocks and implications for mineralogy of Oxia Planum, ExoMars 2022 Rover landing site Open
In 2022 rover, ESA-Roscosmos will launch rover to land at Oxia Planum on Mars. Oxia Planum is a wide, Noachian-age, phyllosilicate-bearing plain located between Mawrth and Ares Valles. The bedrock phyllosilicate deposits at Oxia Planum is …
View article: Leka Ophiolite Complex as analogy to the serpentinization-carbonation system on Mars.
Leka Ophiolite Complex as analogy to the serpentinization-carbonation system on Mars. Open
<p>Serpentinization and carbonation have affected ultramafic rocks on Noachian Mars in several places. Among the most prominent systems revealing mineral assemblages characteristic of serpentinization/carbonation is the Nili Fossae r…
View article: Oxia Planum: The Landing Site for the ExoMars “Rosalind Franklin” Rover Mission: Geological Context and Prelanding Interpretation
Oxia Planum: The Landing Site for the ExoMars “Rosalind Franklin” Rover Mission: Geological Context and Prelanding Interpretation Open
The European Space Agency (ESA) and Roscosmos ExoMars mission will launch the "Rosalind Franklin" rover in 2022 for a landing on Mars in 2023.The goals of the mission are to search for signs of past and present life on Mars, investigate th…
View article: The Planetary Terrestrial Analogues Library (PTAL)
The Planetary Terrestrial Analogues Library (PTAL) Open
<p>The Planetary Terrestrial Analogues Library project aims to build and exploit a spectral data base for the characterization of the mineralogical and geological evolution of terrestrial planets and small Solar System bodies. Basis …
View article: Leka Ophiolite Complex as analogy to the serpentinization-carbonation system on Mars
Leka Ophiolite Complex as analogy to the serpentinization-carbonation system on Mars Open
<p>Jezero Crater is the landing site of the Mars2020 NASA rover. The crater in its early history hosted a paleolake with at least two deltas remaining. The Jezero lake belongs to a larger system - the Nili Fossae region &#8211; w…
View article: Experimental approach to understand mineralogy and aqueous alteration history of Oxia Planum, ExoMars 2020 landing site
Experimental approach to understand mineralogy and aqueous alteration history of Oxia Planum, ExoMars 2020 landing site Open
<p>In 2020, ESA/ROSCOSMOS will launch ExoMars2020 rover mission to Mars. The selected landing site for the mission is Oxia Planum, a wide Noachian-aged clay mineral-bearing plain. The Fe,Mg-rich clay mineral deposits in Oxia are one …
View article: Experimental reproduction of the martian weathering profiles argues for a dense Noachian CO2 atmosphere
Experimental reproduction of the martian weathering profiles argues for a dense Noachian CO2 atmosphere Open
On Mars, mineral sequences have been detected and they are composed of a top layer of Al-rich clay minerals, then (Al, Fe)-rich clay minerals and a bottom layer composed of (Mg, Fe)-rich clay minerals. By analogy with Earth, such sequences…
View article: Detection of Carbonates in Martian Weathering Profiles
Detection of Carbonates in Martian Weathering Profiles Open
Noachian surfaces on Mars exhibit vertical assemblages of weathering horizons termed as weathering profiles ; this indicates that surface water caused alteration of the rocks that required a different, warmer climate than today. Evidence o…
View article: Dioctahedral Phyllosilicates Versus Zeolites and Carbonates Versus Zeolites Competitions as Constraints to Understanding Early Mars Alteration Conditions
Dioctahedral Phyllosilicates Versus Zeolites and Carbonates Versus Zeolites Competitions as Constraints to Understanding Early Mars Alteration Conditions Open
Widespread occurrence of Fe,Mg‐phyllosilicates has been observed on Noachian Martian terrains. Therefore, the study of Fe,Mg‐phyllosilicate formation, in order to characterize early Martian environmental conditions, is of particular intere…