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Ultralow Friction of Carbonate Faults Caused by Thermal Decomposition
Abstract
High-velocity weakening of faults may drive fault motion during large earthquakes. Experiments on simulated faults in Carrara marble at slip rates up to 1.3 meters per second demonstrate that thermal decomposition of calcite due to frictional heating induces pronounced fault weakening with steady-state friction coefficients as low as 0.06. Decomposition produces particles of tens of nanometers in size, and the ultralow friction appears to be associated with the flash heating on an ultrafine decomposition product. Thus, thermal decomposition may be an important process for the dynamic weakening of faults.
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Cited by
Wahono, S. K., Stalin, J., Addai-Mensah, J., Skinner, W., Vinu, A., & Vasilev, K. (2020) · Microporous and Mesoporous Materials · doi:10.1016/j.micromeso.2019.109871 · Cited by 93
Surface Forces Apparatus Measurements of Interactions between Rough and Reactive Calcite Surfaces
Dziadkowiec, J., Javadi, S., Bratvold, J. E., Nilsen, O., & Røyne, A. (2018) · Langmuir · doi:10.1021/acs.langmuir.8b00797 · Cited by 52
Metadata
- Authors
- Han, R., Shimamoto, T., Hirose, T., Ree, J.-H., & Ando, J.-I.
- Venue
- Science
- Published
- 2007-05-11
- Volume
- 316
- Issue
- 5826
- Pages
- 878-881
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1998037923
- Cited by
- 430
- References
- 0
- FWCI
- 23.05
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Ultralow Friction of Carbonate Faults Caused by Thermal Decomposition. https://app.cochat.ai/papers/10.1126/science.1139763
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- Han, R., Shimamoto, T., Hirose, T., Ree, J.-H., & Ando, J.-I. (2007). Ultralow Friction of Carbonate Faults Caused by Thermal Decomposition. Science. https://doi.org/10.1126/science.1139763
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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