Search Results - "Franck Bourdelle"

Low-Temperature Chlorite Geothermometry and Related Recent Analytical Advances: A Review by Franck Bourdelle

“…Chlorite, a 2:1:1 phyllosilicate, has all the required attributes to form the basis of a geothermometer: this mineral is ubiquitous in metamorphic, diagenetic,…”
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A new chlorite geothermometer for diagenetic to low-grade metamorphic conditions by Bourdelle, Franck, Parra, Teddy, Chopin, Christian, Beyssac, Olivier

“…The evolution of chlorite composition with temperature (and pressure) serves as basis to a number of chlorite chemical thermometers, for which the oxidation…”
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Mineralogical, crystallographic and redox features of the earliest stages of fluid alteration in CM chondrites by Pignatelli, Isabella, Marrocchi, Yves, Mugnaioli, Enrico, Bourdelle, Franck, Gounelle, Matthieu

“…The CM chondrites represent the largest group of hydrated meteorites and span a wide range of conditions, from less altered (i.e., CM2) down to heavily altered…”
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Evaluation of scanning transmission X-ray microscopy at the Mn L2,3-edges as a potential probe for manganese redox state in natural silicates by Bourdelle, Franck, Lloret, Emily, Durand, Cyril, Airaghi, Laura

“…Determining the Mn valence variation at the nanometer scale will be an important advance in the study of heterogeneous natural silicates. Here, the potential…”
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From static alteration to mylonitization: a nano- to micrometric study of chloritization in granitoids with implications for equilibrium and percolation length scales by Airaghi, Laura, Dubacq, Benoit, Verlaguet, Anne, Bourdelle, Franck, Bellahsen, Nicolas, Gloter, Alexandre

“…Strain accommodation in upper crustal rocks is often accompanied by fluid-mediated crystallization of phyllosilicates, which influence rock strength and shear…”
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Quantification of the ferric/ferrous iron ratio in silicates by scanning transmission X-ray microscopy at the Fe L2,3 edges by Bourdelle, Franck, Benzerara, Karim, Beyssac, Olivier, Cosmidis, Julie, Neuville, Daniel R., Brown, Gordon E., Paineau, Erwan

“…Estimation of Fe 3+ /ΣFe ratios in materials at the submicrometre scale has been a long-standing challenge in the Earth and environmental sciences because of…”
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Formation and transformations of Fe-rich serpentines by asteroidal aqueous alteration processes: A nanoscale study of the Murray chondrite by Elmaleh, Agnès, Bourdelle, Franck, Caste, Florent, Benzerara, Karim, Leroux, Hugues, Devouard, Bertrand

“…Fe-rich serpentines are an abundant product of the early aqueous alteration events that affected the parent bodies of CM carbonaceous chondrites. Alteration…”
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Kaolinite-to-Chlorite Conversion from Si,Al-Rich Fluid-Origin Veins/Fe-Rich Carboniferous Shale Interaction by Franck Bourdelle, Michel Dubois, Emily Lloret, Cyril Durand, Ahmed Addad, Schéhérazade Bounoua, Sandra Ventalon, Philippe Recourt

“…The kaolinite-to-chlorite conversion is one of the chloritization processes that occurs in low temperature diagenetic and hydrothermal systems. The mechanism…”
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Hot fluid flows around a major fault identified by paleothermometric studies (Tim Mersoi Basin, Niger) by Mamadou, Marah Mamane, Cathelineau, Michel, Bourdelle, Franck, Boiron, Marie-Christine, Elmaleh, Agnes, Brouand, Marc

“…Faults are mostly considered as low-permeability zones due to their frequent sealing, but they can also contribute significantly to fluid movements in…”
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Experimental Study of Pyrite Oxidation at 100 °C: Implications for Deep Geological Radwaste Repository in Claystone by Héloïse Verron, Jérôme Sterpenich, Julien Bonnet, Franck Bourdelle, Régine Mosser-Ruck, Catherine Lorgeoux, Aurélien Randi, Nicolas Michau

“…The oxidation of pyrite is one of the near field processes of the chemical evolution of clay rock planned to host a deep geological radioactive waste…”
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Characterization of Ca-phosphate biological materials by scanning transmission X-ray microscopy (STXM) at the Ca L2,3-, P L2,3- and C K-edges by Cosmidis, Julie, Benzerara, Karim, Nassif, Nadine, Tyliszczak, Tolek, Bourdelle, Franck

“…[Display omitted] Several naturally occurring biological materials, including bones and teeth, pathological calcifications, microbial mineral deposits formed…”
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Hydrogen generation during hydrothermal alteration of peralkaline granite by Truche, Laurent, Bourdelle, Franck, Salvi, Stefano, Lefeuvre, Nicolas, Zug, Apolline, Lloret, Emily

“…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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First characterization of the cooling of the paleo-geothermal system of Terre-de-Haut (Les Saintes archipelago, Guadeloupe): Application of fluid inclusion and chlorite thermometry by Beauchamps, Gildas, Bourdelle, Franck, Dubois, Michel, Hebert, Ronan, Ledésert, Béatrice

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Contrasting degrees of recrystallization of carbonaceous material in the Nelson aureole, British Columbia and Ballachulish aureole, Scotland, with implications for thermometry based on Raman spectroscopy of carbonaceous material by Beyssac, Oliver, Pattison, David R. M., Bourdelle, Franck

“…The degree of recrystallization of carbonaceous material (CM), as monitored by Raman microspectroscopy, was examined as a function of metamorphic grade in two…”
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Chemical and mineralogical characterizations of a low-pH cementitious material designed for the disposal cell of the high-level radioactive waste (HLW) by Bonnet, J., Mosser-Ruck, R., Sterpenich, J., Bourdelle, F., Verron, H., Michau, N., Bourbon, X., Linard, Y.

“…This paper presents the chemical and mineralogical characterizations of a cementitious material and its behaviour to temperature increase in conditions close…”
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Nanoscale chemical zoning of chlorite and implications for low-temperature thermometry: Application to the Glarus Alps (Switzerland) by Bourdelle, Franck, Beyssac, Olivier, Parra, Teddy, Chopin, Christian

“…A combination of adapted chlorite thermometry and high-spatial-resolution analytical techniques (TEM-EDX/FIB) shows that the low-grade metamorphic chlorites of…”
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First characterization of the cooling of the paleo-geothermal system of Terre-de-Haut (Les Saintes archipelago, Guadeloupe): Application of fluid inclusion and chlorite thermometry by Beauchamps, Gildas, Bourdelle, Franck, Dubois, Michel, Hebert, Ronan L., Ledésert, Béatrice A.

“…Due to its geodynamic location in the Lesser Antilles arc, Basse-Terre of Guadeloupe displays an active volcanism which is favourable to the development of…”
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Nonclassical Growth Mechanism of Double‐Walled Metal‐Oxide Nanotubes Implying Transient Single‐Walled Structures by Paineau, Erwan, Bourdelle, Franck, Bhandary, Rajesh, Truche, Laurent, Lorgeoux, Catherine, Bacia‐Verloop, Maria, Monet, Geoffrey, Rouzière, Stéphan, Vantelon, Delphine, Briois, Valérie, Launois, Pascale

“…The formation of imogolite nanotubes is reported to be a kinetic process involving intermediate roof‐tile nanostructures. Here, the structural evolution…”
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Iron–clay interactions: Detailed study of the mineralogical transformation of claystone with emphasis on the formation of iron-rich T–O phyllosilicates in a step-by-step cooling experiment from 90°C to 40°C by Pignatelli, Isabella, Bourdelle, Franck, Bartier, Danièle, Mosser-Ruck, Régine, Truche, Laurent, Mugnaioli, Enrico, Michau, Nicolas

“…Iron–minerals–water interactions are of primary importance in the contexts of underground structure engineering (e.g. reactive barriers or deep geological…”
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Iron-clay interactions: Detailed study of the mineralogical transformation of claystone with emphasis on the formation of iron-rich T-O phyllosilicates in a step-by-step cooling experiment from 90 degrees C to 40 degrees C by Pignatelli, Isabella, Bourdelle, Franck, Bartier, Daniele, Mosser-Ruck, Régine, Truche, Laurent, Mugnaioli, Enrico, Michau, Nicolas

“…Iron-minerals-water interactions are of primary importance in the contexts of underground structure engineering (e.g. reactive barriers or deep geological…”
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