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Roland Hellmann
Roland Hellmann
Université Grenoble Alpes. Université J. Fourier
在 univ-grenoble-alpes.fr 的电子邮件经过验证 - 首页
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Unifying natural and laboratory chemical weathering with interfacial dissolution–reprecipitation: a study based on the nanometer-scale chemistry of fluid–silicate interfaces
R Hellmann, R Wirth, D Daval, JP Barnes, JM Penisson, D Tisserand, ...
Chemical Geology 294, 203-216, 2012
3262012
Influence of amorphous silica layer formation on the dissolution rate of olivine at 90 C and elevated pCO2
D Daval, O Sissmann, N Menguy, GD Saldi, F Guyot, I Martinez, ...
Chemical Geology 284 (1-2), 193-209, 2011
3232011
Nanometre-scale evidence for interfacial dissolution–reprecipitation control of silicate glass corrosion
R Hellmann, S Cotte, E Cadel, S Malladi, LS Karlsson, S Lozano-Perez, ...
Nature materials 14 (3), 307-311, 2015
2982015
Dissolution at dislocation etch pits in quartz
SL Brantley, SR Crane, DA Crerar, R Hellmann, R Stallard
Geochimica et Cosmochimica Acta 50 (10), 2349-2361, 1986
2771986
The albite-water system: Part I. The kinetics of dissolution as a function of pH at 100, 200 and 300 C
R Hellmann
Geochimica et Cosmochimica Acta 58 (2), 595-611, 1994
2731994
Dissolution kinetics as a function of the Gibbs free energy of reaction: An experimental study based on albite feldspar
R Hellmann, D Tisserand
Geochimica et Cosmochimica Acta 70 (2), 364-383, 2006
2352006
An EFTEM/HRTEM high-resolution study of the near surface of labradorite feldspar altered at acid pH: evidence for interfacial dissolution-reprecipitation
R Hellmann, JM Penisson, RL Hervig, JH Thomassin, MF Abrioux
Physics and Chemistry of Minerals 30, 192-197, 2003
2232003
The formation of leached layers on albite surfaces during dissolution under hydrothermal conditions
R Hellmann, CM Eggleston, MF Hochella Jr, DA Crerar
Geochimica et Cosmochimica Acta 54 (5), 1267-1281, 1990
2161990
Enhanced deformation of limestone and sandstone in the presence of high fluids
Y Le Guen, F Renard, R Hellmann, E Brosse, M Collombet, D Tisserand, ...
Journal of Geophysical Research: Solid Earth 112 (B5), 2007
1832007
Mechanism of wollastonite carbonation deduced from micro-to nanometer length scale observations
D Daval, I Martinez, JM Guigner, R Hellmann, J Corvisier, N Findling, ...
American Mineralogist 94 (11-12), 1707-1726, 2009
1502009
The albite-water system: Part II. The time-evolution of the stoichiometry of dissolution as a function of pH at 100, 200, and 300° C
R Hellmann
Geochimica et Cosmochimica Acta 59 (9), 1669-1697, 1995
1271995
Experimental pressure solution compaction of chalk in aqueous solutions. Part 1. Deformation behavior and chemistry
R Hellmann, PJN Renders, JP Gratier, R Guiguet
Water-rock interactions, ore deposits, and environmental geochemistry: A …, 2002
1142002
Lizardite serpentine dissolution kinetics as a function of pH and temperature, including effects of elevated pCO2
D Daval, R Hellmann, I Martinez, S Gangloff, F Guyot
Chemical Geology 351, 245-256, 2013
1122013
Linking nm-scale measurements of the anisotropy of silicate surface reactivity to macroscopic dissolution rate laws: New insights based on diopside
D Daval, R Hellmann, GD Saldi, R Wirth, KG Knauss
Geochimica et Cosmochimica Acta 107, 121-134, 2013
1112013
Characterization of mineral surfaces using FIB and TEM: A case study of naturally weathered alkali feldspars
MR Lee, DJ Brown, CL Smith, ME Hodson, M Mackenzie, R Hellmann
American Mineralogist 92 (8-9), 1383-1394, 2007
922007
The albite-water system: Part III. Characterization of leached and hydrogen-enriched layers formed at 300 C using MeV ion beam techniques
R Hellmann, JC Dran, G Della Mea
Geochimica et Cosmochimica Acta 61 (8), 1575-1594, 1997
861997
Numerical modeling of the effect of carbon dioxide sequestration on the rate of pressure solution creep in limestone: Preliminary results
F Renard, E Gundersen, R Hellmann, M Collombet, Y Le Guen
Oil & gas science and technology 60 (2), 381-399, 2005
702005
Dissolution kinetics of diopside as a function of solution saturation state: Macroscopic measurements and implications for modeling of geological storage of CO2
D Daval, R Hellmann, J Corvisier, D Tisserand, I Martinez, F Guyot
Geochimica et Cosmochimica Acta 74 (9), 2615-2633, 2010
662010
The albite-water system: Part IV. Diffusion modeling of leached and hydrogen-enriched layers
R Hellmann
Geochimica et Cosmochimica Acta 61 (8), 1595-1611, 1997
561997
The dependence of albite feldspar dissolution kinetics on fluid saturation state at acid and basic pH: progress towards a universal relation
R Hellmann, D Daval, D Tisserand
Comptes Rendus. Géoscience 342 (7-8), 676-684, 2010
552010
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