Hélène Bureau
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View article: H and D ∕ H analysis in olivine and wadsleyite with a multi-analytical approach combining Raman spectroscopy and ion and nuclear probes
H and D ∕ H analysis in olivine and wadsleyite with a multi-analytical approach combining Raman spectroscopy and ion and nuclear probes Open
The most abundant mineral in the upper mantle, olivine, is described as nominally anhydrous, while its high-pressure polymorph, wadsleyite, can contain up to 3 % H2O by weight. Here we focus on the quantification of total H2O content, diss…
View article: Hydrogen in the Deep Earth
Hydrogen in the Deep Earth Open
Hydrogen is one of the most difficult elements to characterize in geological materials. Even at trace levels, hydrogen has a major impact on the properties of minerals, silicate melts, and fluids, and thus on the physical state of the mant…
View article: <scp>ND70</scp> Series Basaltic Glass Reference Materials for Volatile Element (<scp>H<sub>2</sub>O</scp>, <scp>CO<sub>2</sub></scp>, S, Cl, F) Measurement and the C Ionisation Efficiency Suppression Effect of Water in Silicate Glasses in <scp>SIMS</scp>
<span>ND70</span> Series Basaltic Glass Reference Materials for Volatile Element (<span>H<sub>2</sub>O</span>, <span>CO<sub>2</sub></span>, S, Cl, F) Measurement and the C Ionisation Efficiency Suppression Effect of Water in Silicate Glasses in <span>SIMS</span> Open
We present a new set of reference materials, the ND70‐series, for in situ measurement of volatile elements (H 2 O, CO 2 , S, Cl, F) in silicate glass of basaltic composition. The materials were synthesised in piston cylinders at pressures …
View article: The high flux nano-X-ray diffraction, fluorescence and imaging beamline ID27 for science under extreme conditions on the ESRF Extremely Brilliant Source
The high flux nano-X-ray diffraction, fluorescence and imaging beamline ID27 for science under extreme conditions on the ESRF Extremely Brilliant Source Open
In this overview article, we present the main features of the upgraded ID27 beamline which is fully optimised to match the exceptional characteristics of the new Extremely Bright Source (EBS) of the European Synchrotron Radiation Facility …
View article: Heavy halogen impact on Raman water bands at high pressure: Implications for salinity estimations in fluid inclusions
Heavy halogen impact on Raman water bands at high pressure: Implications for salinity estimations in fluid inclusions Open
We present a new experimental dataset on the impact of the heavy halogens chlorine, bromine and iodine on the Raman water bands concerning pressure and their concentration at room temperature. These experiments were conducted at ambient te…
View article: ND70 series basaltic glass reference materials for volatile element (H2O, CO2, S, Cl, F) analysis and the C ionisation efficiency suppression effect of water in silicate glasses in SIMS analysis.
ND70 series basaltic glass reference materials for volatile element (H2O, CO2, S, Cl, F) analysis and the C ionisation efficiency suppression effect of water in silicate glasses in SIMS analysis. Open
We present a new set of reference material, the ND70-series, for in situ analysis of volatile elements (H2O, CO2, S, Cl, F) in silicate glass of basaltic composition. Samples have been synthesised in piston cylinders at pressures of 1 to 1…
View article: Hydrogen in magnetite from asteroid Ryugu
Hydrogen in magnetite from asteroid Ryugu Open
In order to gain insights on the conditions of aqueous alteration on asteroid Ryugu and the origin of water in the outer solar system, we developed the measurement of water content in magnetite at the micrometer scale by secondary ion mass…
View article: Growing diamonds in the laboratory to investigate growth, dissolution, and inclusions formation processes
Growing diamonds in the laboratory to investigate growth, dissolution, and inclusions formation processes Open
View article: Datafiles for Hydrogen in magnetite from asteroid Ryugu
Datafiles for Hydrogen in magnetite from asteroid Ryugu Open
View article: Datafiles for Hydrogen in magnetite from asteroid Ryugu
Datafiles for Hydrogen in magnetite from asteroid Ryugu Open
View article: Growing Diamonds in the Laboratory to investigate Growth, Dissolution, and Inclusions Formation processes
Growing Diamonds in the Laboratory to investigate Growth, Dissolution, and Inclusions Formation processes Open
Dataset for the manuscript : Growing Diamonds in the Laboratory to investigate Growth, Dissolution, and Inclusions Formation processes after Hélène Bureau, Imène Estève, Caroline Raepsaet, Geeth Manthilake It comprises one excel file conta…
View article: Growing Diamonds in the Laboratory to investigate Growth, Dissolution, and Inclusions Formation processes
Growing Diamonds in the Laboratory to investigate Growth, Dissolution, and Inclusions Formation processes Open
Dataset for the manuscript : Growing Diamonds in the Laboratory to investigate Growth, Dissolution, and Inclusions Formation processesafter Hélène Bureau, Imène Estève, Caroline Raepsaet, Geeth Manthilake…
View article: An in-situ experimental HP/HT study on bromine release from a natural basalt
An in-situ experimental HP/HT study on bromine release from a natural basalt Open
View article: Combination of ERDA, FTIR spectroscopy and NanoSIMS for the characterization of hydrogen incorporation in natural diamonds
Combination of ERDA, FTIR spectroscopy and NanoSIMS for the characterization of hydrogen incorporation in natural diamonds Open
View article: The atmospheric component in diamonds: post-eruption contamination or subduction-related ?
The atmospheric component in diamonds: post-eruption contamination or subduction-related ? Open
View article: Hydrogen in an early magma ocean: Implications for Earth’s core composition
Hydrogen in an early magma ocean: Implications for Earth’s core composition Open
View article: Hydrogen isotope fractionation in the deep Earth
Hydrogen isotope fractionation in the deep Earth Open
International audience
View article: Experimental monitoring of iodine degassing from basaltic volcanic systems
Experimental monitoring of iodine degassing from basaltic volcanic systems Open
View article: Structural and Electronic Transitions in Liquid FeO Under High Pressure
Structural and Electronic Transitions in Liquid FeO Under High Pressure Open
FeO represents an important end‐member for planetary interiors mineralogy. However, its properties in the liquid state under high pressure are poorly constrained. Here, in situ high‐pressure and high‐temperature X‐ray diffraction experimen…
View article: From the lithosphere to the lower mantle: An aqueous-rich metal-bearing growth environment to form type IIb blue diamonds
From the lithosphere to the lower mantle: An aqueous-rich metal-bearing growth environment to form type IIb blue diamonds Open
View article: Probing the partitioning behaviour of Xe using <i>in situ</i> X-ray synchrotron techniques at high <i>P–T</i> conditions
Probing the partitioning behaviour of Xe using <i>in situ</i> X-ray synchrotron techniques at high <i>P–T</i> conditions Open
Understanding crystal/melt xenon (Xe) partitioning at depth is key to properly trace planetary processes using Xe isotopes. Partition coefficients measured on experimental samples recovered at room pressure (P) and temperature (T) span 6 o…
View article: Experimental Petrology Applied to Natural Diamond Growth
Experimental Petrology Applied to Natural Diamond Growth Open
International audience
View article: Nanoscale Secondary Ion Mass Spectrometry determination of the water content of staurolite
Nanoscale Secondary Ion Mass Spectrometry determination of the water content of staurolite Open
Rationale Staurolite is an important mineral that can reveal much about metamorphic processes. For instance, it dominates the Fe–Mg exchange reactions in amphibolite‐facies rocks between about 550 and 700°C, and can be also found at supras…
View article: Determination of the initial hydrogen isotopic composition of the solar system
Determination of the initial hydrogen isotopic composition of the solar system Open
View article: Experimental and Observational Constraints on Halogen Behavior at Depth
Experimental and Observational Constraints on Halogen Behavior at Depth Open
Halogens are volatile elements present in trace amounts in the Earth’s crust, mantle, and core. They show volatile behavior and tend to be incompatible except for fluorine, which makes them key tracers of fluid-mediated and/or melt-mediate…
View article: Coupled hydrogen and fluorine incorporation in garnet: New constraints from FTIR, ERDA, SIMS, and EPMA
Coupled hydrogen and fluorine incorporation in garnet: New constraints from FTIR, ERDA, SIMS, and EPMA Open
It is well known that some garnet compositions can incorporate hydrogen and/or fluorine at levels up to several wt%. However, accurate measurement of these elements can be difficult at trace to minor concentration levels, so they are frequ…
View article: Xenon behavior in deep crust
Xenon behavior in deep crust Open
Xenon has long been taken as a tracer of the evolution of the Earth and formation of the Moon [1] .Compared to other noble gases, up to 90% Earth and Mars' Xe is missing from the atmosphere, known as the 'missing Xe paradox' [2] .Recently …
View article: Hydrogen isotope imaging in a compound Ca-Al-rich inclusion: insights on the origin of volatiles in the earliest solar system
Hydrogen isotope imaging in a compound Ca-Al-rich inclusion: insights on the origin of volatiles in the earliest solar system Open
View article: Elastic Recoil Detection Analysis of Hydrogen content in diamonds
Elastic Recoil Detection Analysis of Hydrogen content in diamonds Open
International audience
View article: Xenon high pressure crystal-chemistry, partitioning, and isotopic fractionation: what does that tell us about atmosphere formation on Earth and Mars
Xenon high pressure crystal-chemistry, partitioning, and isotopic fractionation: what does that tell us about atmosphere formation on Earth and Mars Open