Recherche - Archive ouverte HAL Accéder directement au contenu

Filtrer vos résultats

54 résultats
Page :
triés par
Image document

Experimental study of arsenic speciation in vapor phase to 500°C: Implications for As transport and fractionation in low-density crustal fluids and volcanic gases.

 Gleb S. Pokrovski , Ildar V. Zakirov , Jacques Roux , Denis Testemale , Jean-Louis Hazemann , et al.
Geochimica et Cosmochimica Acta, 2002, 66, pp.(19) 3453-3480. ⟨10.1016/S0016-7037(02)00946-8⟩
Article dans une revue hal-00077601v1

A New View on the Petrogenesis of the Oman Ophiolite Chromitites from Microanalyses of Chromite-hosted Inclusions

 Anastassia Yu. Borisova , Georges Ceuleneer , Vadim Kamenetsky , Shoji Arai , Frederic Bejina , et al.
Journal of Petrology, 2012, 53 (12), pp.2411-2440. ⟨10.1093/petrology/egs054⟩
Article dans une revue hal-02332772v1

Stability and abundance of the trisulfur radical ion S-3(-) in hydrothermal fluids

 Gleb S. Pokrovski , Jean Dubessy
Earth and Planetary Science Letters, 2015, 411, pp.298-309. ⟨10.1016/j.epsl.2014.11.035⟩
Article dans une revue hal-01303806v1

An X-ray absorption fine structure spectroscopy study of germanium-organic ligand complexes in aqueous solution

 Gleb S. Pokrovski , Frédérique Martin , Jean-Louis Hazemann , Jacques Schott
Chemical Geology, 2000, 163, pp.151-165. ⟨10.1016/S0009-2541(99)00102-3⟩
Article dans une revue istex hal-00115161v1

Carbonyl as a possible carrier of platinum in magmatic fluids

 Alexandre Simakin , T. Salova , O. Tutunnik , S. Isaenko , Gleb Pokrovski , et al.
Gondschmidt 2019 Conference, Aug 2019, Barcelone, Spain
Communication dans un congrès hal-02343793v1
Image document

Multiple sulfur isotope fractionation in hydrothermal systems in the presence of radical ions and molecular sulfur

 Maria A. Kokh , Nelly Assayag , Stéphanie Mounic , Pierre Cartigny , Andrey Gurenko , et al.
Geochimica et Cosmochimica Acta, 2020, 285, pp.100-128. ⟨10.1016/j.gca.2020.06.016⟩
Article dans une revue hal-02905571v1

In situ Raman spectroscopy identification of the S3- ion in S-rich hydrothermal fluids from synthetic fluid inclusions

 Nicolas Jacquemet , D. Guillaume , A. Zwick , G. Pokrovski
The American Mineralogist, 2014, 99 (5-6), pp.1109 - 1118. ⟨10.2138/am.2014.4524⟩
Article dans une revue hal-01931259v1

The role of carbon dioxide in the transport and fractionation of metals by geological fluids

 Maria M. Kokh , Nikolay Akinfiev , Gleb S. Pokrovski , Stefano Salvi , Damien Guillaume
Geochimica et Cosmochimica Acta, 2017, 197, pp.433 - 466. ⟨10.1016/j.gca.2016.11.007⟩
Article dans une revue hal-01931270v1
Image document

The nature and partitioning of invisible gold in the pyrite-fluid system

 Gleb S. Pokrovski , Maria M. Kokh , Olivier Proux , Jean-Louis F Hazemann , Elena Bazarkina , et al.
Ore Geology Reviews, 2019, 109, pp.545-563. ⟨10.1016/j.oregeorev.2019.04.024⟩
Article dans une revue hal-02175624v1
Image document

Silver in geological fluids from in situ X-ray absorption spectroscopy and first-principles molecular dynamics

 Gleb S. Pokrovski , Jacques Roux , Guillaume Ferlat , Romain Jonchiere , Ari P. Seitsonen , et al.
Geochimica et Cosmochimica Acta, 2013, 106, pp.501-523. ⟨10.1016/j.gca.2012.12.012⟩
Article dans une revue hal-00794819v1
Image document

Bromine speciation and partitioning in slab-derived aqueous fluids and silicate melts and implications for halogen transfer in subduction zones

 Marion Louvel , Carmen Sanchez-Valle , Wim Malfait , Gleb S. Pokrovski , Camelia Borca , et al.
Solid Earth, 2020, 11 (4), pp.1145-1161. ⟨10.5194/se-11-1145-2020⟩
Article dans une revue hal-02905593v1

“Critical” trace elements in major minerals: old questions, new approaches and geochemical applications

 Gleb Pokrovski , Marc Blanchard , Denis Testemale , Jean-Louis F Hazemann
Virtual Goldschmidt 2021 Conference, Jul 2021, Lyon (virtuel ), France
Communication dans un congrès hal-03374033v1

An in situ X-ray absorption spectroscopy study of gold-chloride complexing in hydrothermal fluids

 Gleb S. Pokrovski , Boris Tagirov , Jacques Schott , Elena Bazarkina , Jean-Louis F Hazemann , et al.
Chemical Geology, 2009, 259 (1-2), pp.17-29. ⟨10.1016/j.chemgeo.2008.09.007⟩
Article dans une revue istex hal-02175807v1

Amorphous Materials: Properties, Structure, and Durability{dagger} Arsenic enrichment in hydrous peraluminous melts: Insights from femtosecond laser ablation-inductively coupled plasma-quadrupole mass spectrometry, and in situ X-ray absorption fine structure spectroscopy

 Anastassia Yu Borisova , Gleb S. Pokrovski , Michel Pichavant , Rémi Freydier , Frédéric Candaudap
The American Mineralogist, 2010, 95 (7), pp.1095-1104. ⟨10.2138/am.2010.3424⟩
Article dans une revue insu-00508983v1

Structure, stability and geochemical role of palladium chloride complexes in hydrothermal fluids

 Elena F. Bazarkina , Gleb S. Pokrovski , Jean-Louis Hazemann
Geochimica et Cosmochimica Acta, 2014, 146, pp.107-131. ⟨10.1016/j.gca.2014.09.024⟩
Article dans une revue hal-01292215v1
Image document

Gold speciation in hydrothermal fluids revealed by in situ high energy resolution X-ray absorption spectroscopy

 Gleb Pokrovski , Elsa Desmaele , Clément Laskar , Elena Bazarkina , Denis Testemale , et al.
The American Mineralogist, 2022, 107 (3), pp.369-376. ⟨10.2138/am-2022-8008⟩
Article dans une revue cea-04074998v1
Image document

In situ determination of sulfur speciation and partitioning in aqueous fluid-silicate melt systems

 A. Colin , C. Schmidt , G.S. S Pokrovski , M. Wilke , A.Y. y Borisova , et al.
Geochemical Perspectives Letters, 2020, 14, pp.31-35. ⟨10.7185/geochemlet.2020⟩
Article dans une revue hal-02905507v1
Image document

Experimental Study of Pt Solubility in the CO-CO2 Fluid at Low fO2 and Subsolidus Conditions of the Ultramafic-Mafic Intrusions

 Alexander Simakin , Tamara Salova , Anastassia Yu. Borisova , Gleb S. Pokrovski , Olga Shaposhnikova , et al.
Minerals, 2021, 11 (2), pp.225. ⟨10.3390/min11020225⟩
Article dans une revue hal-03161589v1
Image document

An X-ray Absorption Fine Structure (XAFS) and Nuclear Magnetic Resonance (NMR) spectroscopy study of gallium-silica complexes in aqueous solution.

 Gleb S. Pokrovski , Jacques Schott , Jean-Louis Hazemann , François Farges , Oleg S. Pokrovsky
Geochimica et Cosmochimica Acta, 2002, 66, pp.(24) 4203-4222. ⟨10.1016/S0016-7037(02)00973-0⟩
Article dans une revue hal-00076917v1

Antimony speciation in saline hydrothermal fluids: A combined X-ray absorption fine structure spectroscopy and solubility study

 Gleb S. Pokrovski , Anastassia Yu. Borisova , Jacques Roux , Jean-Louis Hazemann , Alain Petdang , et al.
Geochimica et Cosmochimica Acta, 2006, 70, pp.4196-4214. ⟨10.1016/J.GCA.2006.06.1549⟩
Article dans une revue istex hal-00317390v1
Image document

The trisulfur radical ion S 3 •− controls platinum transport by hydrothermal fluids

 Gleb S Pokrovski , Maria A Kokh , Elsa Desmaele , Clément Laskar , Elena F Bazarkina , et al.
Proceedings of the National Academy of Sciences of the United States of America, 2021, 118 (34), pp.e2109768118. ⟨10.1073/pnas.2109768118⟩
Article dans une revue hal-03323512v1

Sulfur radical species form gold deposits on Earth

 Gleb S. Pokrovski , Maria A. Kokh , Damien Guillaume , Anastassia Y. Borisova , Pascal Gisquet , et al.
Proceedings of the National Academy of Sciences of the United States of America, 2015, 112 (44), pp.13484-13489. ⟨10.1073/pnas.1506378112⟩
Article dans une revue hal-01284137v1

Thermodynamic Databases for Water-Rock Interaction

 E. Oelkers , P. Bénézeth , G. Pokrovski
Reviews in Mineralogy and Geochemistry, 2009, 70 (1), pp.1-46. ⟨10.2138/rmg.2009.70.1⟩
Article dans une revue hal-02124087v1
Image document

Iron (III)-silica interactions in aqueous solution: Insights from X-ray absorption fine structure spectroscopy

 Gs Pokrovski , J. Schott , F. Farges , Jl Hazemann
Geochimica et Cosmochimica Acta, 2003, 67 (19), pp.3559--3573. ⟨10.1016/S0016-7037(03)00160-1⟩
Article dans une revue hal-00693555v1

Fluid density control on vapor-liquid partitioning of metals in hydrothermal systems

 Gleb S. Pokrovski , Jacques Roux , Jean-Claude Harrichoury
Geology, 2005, 33, pp.657. ⟨10.1130/G21475.1⟩
Article dans une revue hal-00317326v1

Small changes in Cu redox state and speciation generate large isotope fractionation during adsorption and incorporation of Cu by a phototrophic biofilm

 Margot Coutaud , Merlin Meheut , Pieter Glatzel , Gleb S. Pokrovski , Jérôme Viers , et al.
Geochimica et Cosmochimica Acta, 2018, 220, pp.1-18. ⟨10.1016/j.gca.2017.09.018⟩
Article dans une revue hal-02342093v1
Image document

An arsenic-driven pump for invisible gold in hydrothermal systems

 G. S. Pokrovski , C. Escoda , M. Blanchard , Denis Testemale , Jean-Louis F Hazemann , et al.
Geochemical Perspectives Letters, 2021, 17, pp.39-44. ⟨10.7185/geochemlet.2112⟩
Article dans une revue hal-03203427v1

The impact of sulfur on the transfer of platinoids by geological fluids

 C Laskar , G S Pokrovski , M Kokh , J. Hazemann , E F Bazarkina , et al.
Goldschmidt Conference 2019, Aug 2019, Barcelone, Spain
Communication dans un congrès hal-02343794v1

In situ X-ray absorption spectroscopy measurement of vapour-brine fractionation of antimony at hydrothermal conditions

 Gleb S. Pokrovski , Jacques Roux , Jean-Louis Hazemann , Anastassia Yu Borisova , A. A. Gonchar , et al.
Mineralogical Magazine, 2008, 72 (2), pp.667-681. ⟨10.1180/minmag.2008.072.2.627⟩
Article dans une revue hal-00325201v1

The effect of sulfur on vapor-liquid partitioning of metals in hydrothermal systems: An experimental batch-reactor study

 G. S. Pokrovski , A. Yu Borisova , J.-C. Harrichoury
Geochimica et Cosmochimica Acta, 2006, 70, pp.498. ⟨10.1016/J.GCA.2006.06.1459⟩
Article dans une revue istex hal-00317340v1
Page :