Articles | Volume 13, issue 1
Solid Earth, 13, 137–160, 2022
Solid Earth, 13, 137–160, 2022

Research article 14 Jan 2022

Research article | 14 Jan 2022

Creep of CarbFix basalt: influence of rock–fluid interaction

Tiange Xing et al.

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Subject area: Tectonic plate interactions, magma genesis, and lithosphere deformation at all scales | Editorial team: Structural geology and tectonics, rock physics, experimental deformation | Discipline: Mineral and rock physics
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Cited articles

Alfredsson, H. A., Hardarson, B. S., Franzson, H., and Gislason, S. R.: CO2 sequestration in basaltic rock at the Hellisheidi site in SW Iceland: stratigraphy and chemical composition of the rocks at the injection site, Mineral. Mag., 72, 1–5,, 2008. 
Alfredsson, H. A., Oelkers, E. H., Hardarsson, B. S., Franzson, H., Gunnlaugsson, E., and Gislason, S. R.: The geology and water chemistry of the Hellisheidi, SW-Iceland carbon storage site, Int. J. Greenh. Gas Con., 12, 399–418,, 2013. 
Anderson, O. L. and Grew, P. C.: Stress corrosion theory of crack propagation with applications to geophysics, Rev. Geophys., 15, 77–104, 1977. 
Aradóttir, E. S. P., Sonnenthal, E. L., Björnsson, G., and Jónsson, H.: Multidimensional reactive transport modeling of CO2 mineral sequestration in basalts at the Hellisheidi geothermal field, Iceland, Int. J. Greenh. Gas Con., 9, 24–40,, 2012. 
Atkinson, B. K.: Subcritical crack growth in geological materials, J. Geophys. Res.-Sol. Ea., 89, 4077–4114,, 1984. 
Short summary
Geological carbon sequestration using basalts provides a solution to mitigate the high CO2 concentration in the atmosphere. Due to the long timespan of the GCS, it is important to understand the long-term deformation of the reservoir rock. Here, we studied the creep of basalt with fluid presence. Our results show presence of fluid weakens the rock and promotes creep, while the composition only has a secondary effect and demonstrate that the governing creep mechanism is subcritical microcracking.