Articles | Volume 17, issue 3
https://doi.org/10.5194/se-17-537-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-17-537-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Mar 2026
Research article |
| 23 Mar 2026
| 23 Mar 2026
Impact of differential stress on fracture due to volume increasing hydration
Department of Earth and Environmental Sciences, University Minnesota Twin Cities, Minneapolis, 55406, USA
Ikuko Wada
Department of Earth and Environmental Sciences, University Minnesota Twin Cities, Minneapolis, 55406, USA
Kazuki Yoshida
Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, 305-0801, Japan
Hiroyuki Shimizu
Geotechnical Analysis Group, Advanced Analysis Department, Civil Engineering Design Division, Kajima Corporation, Tokyo, Japan
Atsushi Okamoto
Graduate School of Environmental Studies, Tohoku University, Miyagi, 980-8578, Japan
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Changyeol Lee, Nestor G. Cerpa, Dongwoo Han, and Ikuko Wada
Solid Earth, 15, 23–38, https://doi.org/10.5194/se-15-23-2024, https://doi.org/10.5194/se-15-23-2024, 2024
Short summary
Short summary
Fluids and melts in the mantle are key to the Earth’s evolution. The main driving force for their transport is the compaction of the porous mantle. Numerically, the compaction equations can yield unphysical negative liquid fractions (porosity), and it is necessary to enforce positive porosity. However, the effect of such a treatment on liquid flow and mass conservation has not been quantified. We found that although mass conservation is affected, the liquid pathways are well resolved.
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Short summary
The volume increase associated with many hydration reactions can fracture the surrounding rock, creating new fluid pathways that impact the distribution of fluids and hydration. However, it is unclear how this process is impacted by the background stress state, which varies across tectonic settings. We ran simulations that indicate the fracture pattern is sensitive to the background stress state, suggesting that it may be a key factor guiding hydration in the lithosphere.
The volume increase associated with many hydration reactions can fracture the surrounding rock,...
