Search Results - "Truche, Laurent"
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Deciphering the conditions of tochilinite and cronstedtite formation in CM chondrites from low temperature hydrothermal experiments
Published in Meteoritics & planetary science (01-08-2019)“…Tochilinite/cronstedtite intergrowths are commonly observed as alteration products in CM chondrite matrices, but the conditions under which they formed are…”
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Native H2 Exploration in the Western Pyrenean Foothills
Published in Geochemistry, geophysics, geosystems : G3 (01-08-2021)“…Abstract Native hydrogen (H2) may represent a new carbon free‐energy resource, but to date there is no specific exploration guide to target H2‐fertile…”
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Characterizing Natural Hydrogen Occurrences in the Paris Basin From Historical Drilling Records
Published in Geochemistry, geophysics, geosystems : G3 (01-05-2024)“…This study investigates natural hydrogen (H2) occurrences in the Paris Basin, using Optical Character Recognition (OCR) technology to analyze an extensive, yet…”
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Geologically rapid aqueous mineral alteration at subfreezing temperatures in icy worlds
Published in Nature astronomy (01-05-2022)“…The most active icy worlds such as Europa or Enceladus are predicted to host extensive aqueous alteration driven by water–rock interactions at elevated…”
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Characterization of Southern Peru Hydrothermal Systems: New Perspectives for Geothermal Exploration Along the Andean Forearc
Published in Geochemistry, geophysics, geosystems : G3 (01-05-2024)“…This study provides a comprehensive characterization of various hydrothermal systems in Southern Peru ranging from the faulted Precordillera's steep topography…”
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Migration of Natural Hydrogen from Deep-Seated Sources in the São Francisco Basin, Brazil
Published in Geosciences (Basel) (01-09-2020)“…Hydrogen gas is seeping from the sedimentary basin of São Franciso, Brazil. The seepages of H2 are accompanied by helium, whose isotopes reveal a strong…”
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Rutile from Panasqueira (Central Portugal): An Excellent Pathfinder for Wolframite Deposition
Published in Minerals (Basel) (01-01-2019)“…Abundant W-rich rutile in the tourmalinized wall-rocks from the Panasqueira W-deposit appears to be a marker of the onset of the main wolframite depositing…”
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Recommendations and good practices for dissolved organic carbon (DOC) analyses at low concentrations
Published in MethodsX (01-06-2024)“…Numerous protocols for dissolved organic carbon (DOC) measurements on natural water are used in the literature. An ISO protocol for the determination of DOC…”
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Natural hydrogen the fuel of the 21st century
Published in E3S web of conferences (01-01-2019)“…Much has been learned about natural hydrogen (H2) seepages and accumulation, but present knowledge of hydrogen behavior in the crust is so limited that it is…”
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Conference Proceeding Journal Article -
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Nature and Origin of Mineralizing Fluids in Hyperextensional Systems: The Case of Cretaceous Mg Metasomatism in the Pyrenees
Published in Geofluids (2019)“…During the Albian, the hyperextension of the Pyrenean passive margin led to a hyperthinning of the continental crust and the subsequent subcontinental mantle…”
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From nuclear waste to hydrogen production: From past consequences to future prospect
Published in International journal of hydrogen energy (25-04-2024)“…Nuclear wastes may not be considered as unusable materials in the sense that they deliver a free source of energy under the form of ionizing radiations that…”
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Clay minerals trap hydrogen in the Earth's crust: Evidence from the Cigar Lake uranium deposit, Athabasca
Published in Earth and planetary science letters (01-07-2018)“…Hydrogen (H2)-rich fluids are observed in a wide variety of geologic settings including gas seeps in serpentinized ultramafic rocks, sub-seafloor hydrothermal…”
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Revealing the conditions of Ni mineralization in the laterite profiles of New Caledonia: Insights from reactive geochemical transport modelling
Published in Chemical geology (05-09-2017)“…New Caledonia is one of the world's largest nickel laterite deposits that form from intense chemical and mechanical weathering of a peridotite bedrock. As a…”
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Incipient Wolframite Deposition at Panasqueira (Portugal): W-Rich Rutile and Tourmaline Compositions as Proxies for the Early Fluid Composition
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-01-2021)“…Abstract The main event responsible for the deposition of tungsten at Panasqueira was closely associated with strong tourmalinization of the wall rocks…”
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Hydrogen generation during hydrothermal alteration of peralkaline granite
Published in Geochimica et cosmochimica acta (01-09-2021)“…It is well known that oxidation of ferrous to ferric iron by water can generate molecular hydrogen (H2), with the most widely recognized natural manifestation…”
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Tungsten (VI) speciation in hydrothermal solutions up to 400°C as revealed by in-situ Raman spectroscopy
Published in Geochimica et cosmochimica acta (15-01-2022)“…[Display omitted] Tungsten (VI) speciation in hydrothermal solutions is investigated through in-situ Raman spectroscopy coupled with the fused silica glass…”
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Contribution of hyperspectral analysis in relative dating applied to Miculla petroglyphs (Peru)
Published in Journal of archaeological science (01-09-2024)“…The Tacna region in southern Peru hosts archaeological remnants of Pre-Columbian period human occupations, including the Miculla Petroglyphs. Existing methods…”
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Multiple sulfur isotopes signature of Thermochemical Sulfate Reduction (TSR): Insights from Alpine Triassic evaporites
Published in Earth and planetary science letters (15-12-2021)“…•Multiple sulfur isotopes analysis can unambiguously differentiate TSR from MSR.•λ33 is a robust tool to determine if a mineral pair is in isotopic…”
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A deep reservoir for hydrogen drives intense degassing in the Bulqizë ophiolite
Published in Science (American Association for the Advancement of Science) (09-02-2024)“…Deep crustal production of hydrogen (H ) is a potential source of primary energy if recoverable accumulations in geological formations are sufficiently large…”
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Carboxylate anion generation in aqueous solution from carbonate radiolysis, a potential route for abiotic organic acid synthesis on Earth and beyond
Published in Earth and planetary science letters (15-06-2021)“…•Carbonate radiolysis leads to successive formation of formate, acetate and oxalate.•H2 radiolytic production is significantly enhanced in the presence of…”
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