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Real time 3D observations of Portland Cement Carbonation at CO2 storage conditions 
Chavez Panduro, Elvia Anabela; Cordonnier, Benoit; Gawel, Kamila; Børve, Ingrid; Iyer, Jaisree; Carroll, Susan; Michels Brito Miranda, Leander Edward; Rogowska, Melania; McBeck, Jessica Ann; Sørensen, Henning Osholm; Walsh, Stuart D.C.; Renard, Francois; Gibaud, Alain; Torsæter, Malin; Breiby, Dag Werner (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Depleted oil reservoirs are considered a viable solution to the global challenge of CO2 storage. A key concern is whether the wells can be suitably sealed with cement to hinder the escape of CO2. Under reservoir conditions, ...
Enhancing chalcopyrite leaching by tetrachloroethylene-assisted removal of sulphur passivation and the mechanism of jarosite formation 
Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
Chalcopyrite (CuFeS2) is the primary ore mineral for copper, but leaching of this mineral under atmospheric conditions is slow due to the formation of surface passivating phases such as elemental sulphur and jarosite. Here, ...
Creep Burst Coincident With Faulting in Marble Observed in 4-D Synchrotron X-Ray Imaging Triaxial Compression Experiments 
Renard, Francois; Kandula, Neelima; McBeck, Jessica Ann; Cordonnier, Benoit (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Faults in carbonate rocks show both seismic and aseismic deformation processes, leading to a wide range of slip velocities. We deformed two centimeter‐scale cores of Carrara marble at 25°C and imaged the nucleation and ...
Imaging strain localisation in porous andesite using digital volume correlation 
Heap, Michael; Baud, Patrick; McBeck, Jessica Ann; Renard, Francois; Carbillet, Lucille; Hall, Stephan A. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
Strain localisation structures, such as shear fractures and compaction bands, are of importance due to their influence on permeability and therefore outgassing, a factor thought to influence eruptive style. In this study, ...
Direct imaging of coupled dissolution-precipitation and growth processes on calcite exposed to chromium-rich fluids 
Guren, Marthe Grønlie; Putnis, Christine V; Montes-Hernandez, German; King, Helen E.; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Recent increases in industrial activity have resulted in elevated chromium (Cr) pollution in the natural environment, from the degradation of concrete and the leakage of water from landfills or mine waste. The release of ...
Deformation precursors to catastrophic failure in rocks 
McBeck, Jessica Ann; Aiken, John Mark; Mathiesen, Joachim; Ben-Zion, Yehuda; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Forecasting the timing of catastrophic failure, such as crustal earthquakes, has been a central concern for centuries. Such forecasting requires identifying signals that evolve or accelerate in the precursory phase leading ...
Competition between slow slip and damage on and off faults revealed in 4D synchrotron imaging experiments 
Renard, Francois; McBeck, Jessica Ann; Cordonnier, Benoit (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
In the continental crust, faults may accommodate deformation through aseismic creep, slow slip events, or seismic slips that produce dynamic damage, or a combination of these endmembers. A variety of parameters controls ...
Predicting the proximity to macroscopic failure using local strain populations from dynamic in situ X-ray tomography triaxial compression experiments on rocks 
McBeck, Jessica Ann; Aiken, John Mark; Ben-Zion, Yehuda; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
Predicting the proximity of large-scale dynamic failure is a critical concern in the engineering and geophysical sciences. Here we use evolving contractive, dilatational, and shear strain deformation preceding failure in ...
Investigating subsidence in the Bursa Plain, Turkey, using ascending and descending sentinel-1 satellite data 
Aslan, G; Cakir, Ziyadin; Lasserre, Cécile; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
We characterize and monitor subsidence of the Bursa Plain (southern Marmara region of Turkey), which has been interpreted as resulting from tectonic motions in the region. We quantify the subsidence using Interferometric ...
Experimental evidence for wall-rock pulverization during dynamic rupture at ultra-high pressure conditions 
Incel, Sarah; Schubnel, Alexandre; Renner, Jörg; John, Timm; Labrousse, Loic; Hilairet, Nadège; Freeman, Helen; Wang, Yanbin; Renard, Francois; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
The mechanisms triggering intermediate and deep earthquakes have puzzled geologists for several decades. There is still no consensus concerning whether such earthquakes are triggered by brittle or ductile mechanisms. We ...
The evolving energy budget of experimental faults within continental crust: Insights from in situ dynamic X-ray microtomography 
McBeck, Jessica Ann; Cordonnier, Benoit; Mair, Karen; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
We investigate the evolving distribution of strain produced by a sliding fault within intact crystalline rock, and the energetics of deformation that occur both on- and off-fault. We slid precut faults of differing roughness ...
Linking macroscopic failure with micromechanical processes in layered rocks: How layer orientation and roughness control macroscopic behavior 
McBeck, Jessica Ann; Mair, Karen; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
To constrain the impact of preexisting mechanical weaknesses on strain localization culminating in macroscopic shear failure, we simulate triaxial compression of layered sedimentary rock using three-dimensional discrete ...
Isolating the factors that govern fracture development in rocks throughout dynamic in situ X-ray tomography experiments 
McBeck, Jessica Ann; Kandula, Neelima; Aiken, John Mark; Cordonnier, Benoit; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Centuries of work have highlighted the importance of several characteristics on fracture propagation. However, the relative importance of each characteristic on the likelihood of propagation remains elusive. We rank this ...
Neutron imaging of cadmium sorption and transport in porous rocks 
Cordonnier, Benoit; Pluymakers, Anne Marie Henriette; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Understanding fluid flow in rocks is crucial to quantify many natural processes such as ground water flow and naturally triggered seismicity, as well as engineering questions such as displacement of contaminants, the ...
Dynamics of microscale precursors during brittle compressive failure in Carrara marble 
Kandula, Neelima; Cordonnier, Benoit; Boller, Elodie; Weiss, Jérôme; Dysthe, Dag Kristian; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Microscale heterogeneities influence failure mechanisms in the crust. To track the microstructural changes in rock samples when loaded until failure, we employed a novel experimental technique that couples dynamic X‐ray ...
The Moment Duration Scaling Relation for Slow Rupture Arises From Transient Rupture Speeds 
Thøgersen, Kjetil; Sveinsson, Henrik Andersen; Scheibert, Julien; Renard, Francois; Malthe-Sørenssen, Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Plain Language Summary Observations have shown that the duration of earthquakes is related to the seismic moment through a power law. The power law exponent is different for regular earthquakes and slow aseismic rupture, ...
Quantifying the Partition Between Seismic and Aseismic Deformation Along Creeping and Locked Sections of the North Anatolian Fault, Turkey 
Kaduri, Maor; Gratier, Jean-Pierre; Lasserre, Cécile; Cakir, Ziyadin; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
Shallow aseismic creep is a key deformation component along plate boundaries that contributes to the energy budget during the seismic cycle. Several major active continental faults show spatial alternation of creeping and ...
Dynamic earthquake rupture in the lower crust 
Petley-Ragan, Arianne Juliette; Ben-Zion, Yehuda; Austrheim, Håkon Olaf; Ildefonse, Benoit; Renard, Francois; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Earthquakes in the continental crust commonly occur in the upper 15 to 20 km. Recent studies demonstrate that earthquakes also occur in the lower crust of collision zones and play a key role in metamorphic processes that ...
Minimal model for slow, sub-Rayleigh, supershear, and unsteady rupture propagation along homogeneously loaded frictional interfaces 
Thøgersen, Kjetil; Sveinsson, Henrik Andersen; Amundsen, David Skålid; Scheibert, Julien; Renard, Francois; Malthe-Sørenssen, Anders (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
In nature and experiments, a large variety of rupture speeds and front modes along frictional interfaces are observed. Here, we introduce a minimal model for the rupture of homogeneously loaded interfaces with velocity ...
Synchrotron X-ray imaging in 4D: Multiscale failure and compaction localization in triaxially compressed porous limestone 
Huang, Lingcao; Baud, Patrick; Cordonnier, Benoit; Renard, Francois; Liu, Lin; Wong, Teng-fong (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
Understanding failure and strain localization in porous rock is of fundamental importance in rock physics. Confined compaction experiments on porous rocks have revealed a broad spectrum of failure modes. Techniques such ...
Volumetric and shear processes in crystalline rock approaching faulting 
Renard, Francois; McBeck, Jessica Ann; Kandula, Neelima; Cordonnier, Benoit; Meakin, Paul; Ben-Zion, Yehuda (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
Understanding the approach to faulting in continental rocks is critical for identifying processes leading to fracturing in geomaterials and the preparation process of large earthquakes. In situ dynamic X-ray imaging and ...
Dynamic in situ three-dimensional imaging and digital volume correlation analysis quantify strain localization and fracture coalescence in sandstone 
Renard, Francois; McBeck, Jessica Ann; Cordonnier, Benoit; Zheng, Xiaojiao; Kandula, Neelima; Sanchez, Jesus Rodriguez; Kobchenko, Maya; Noiriel, Catherine; Zhu, Wenlu; Meakin, Paul; Fusseis, Florian; Dysthe, Dag Kristian (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
Advances in triaxial compression deformation apparatus design, dynamic X-ray microtomography imaging, data analysis techniques, and digital volume correlation analysis provide unparalleled access to the in situ four-dimensional ...
Mechanism of the formation of engineered magnesite: A critical mineral to mitigate CO2 industrial emissions 
Montes-Hernandez, German; Bah, Mahamadou Diouma; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
Magnesium carbonate production at the industrial scale is a realistic option to reduce the industrial emissions of CO2. Ultrabasic rocks and/or alkaline mine waste provide magnesium sources and are widely available in the ...
Volumetric and Shear Strain Localization in Mt. Etna Basalt 
McBeck, Jessica Ann; Cordonnier, Benoit; Vinciguerra, Sergio; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
To examine the impact of preexisting weaknesses on fracture coalescence during volcanic edifice deformation, we triaxially compressed Mount Etna basalt while acquiring in situ dynamic X‐ray microtomograms and calculated ...
Investigating the Onset of Strain Localization Within Anisotropic Shale Using Digital Volume Correlation of Time-Resolved X-Ray Microtomography Images 
McBeck, Jessica Ann; Kobchenko, Maya; Hall, Stephen; Tudisco, Erika; Cordonnier, Benoit; Meakin, Paul; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Digital volume correlation analysis of time‐resolved X‐ray microtomography scans acquired during in situ triaxial compression of Green River shale cores provided time series of 3‐D incremental strain fields that elucidated ...
 
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Date Issued2020 (8)2019 (16)2018 (1)Document TypeTidsskriftartikkel (25)Author
Renard, Francois (25)
McBeck, Jessica Ann (13)Cordonnier, Benoit (12)Kandula, Neelima (5)Ben-Zion, Yehuda (4)... View MorePeer ReviewedPeer reviewed (25)
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